Document 7MMN433VzvV7Y2dwrnd9w2yRg

J9910 ABRASIVES TRADE OR OTHER NAME: CARBORUNDUM, ALUNDUM, ALOXITE, EMERY, GARNET, SANDPAPER, DIAMOND, SAND, GROUND CORN COBS USAGE - TRANSPORTATION - STORAGE: For grinding, cleaning and polishing purposes. 196 units of the various types of abrasives are used per month. These are stored at the store room and transported by truck or hand. USING DEPARTMENTS: Operations wide. DESCRIPTION AND PROPERTIES: Abrasive materials are usually bonded together if in wheel or disc form or bonded on paper or cloth. Alundum, Aloxite and Emery are non-siliceous. EXPLANATION OF HAZARDS: Hazardous in grinding operations due to the dust generated. Inhala tion could be lnjurous to operators. Brass, copper, or lead when finally divided may lead to metal poisoning. Abrasives may be inert in the tissues of the lung, thus lowering the resistance to inflammatory diseases. RECOMMENDED CONTROL: Exhaust ventilation at grinding level. Compulsory wearing of safety glasses. Respirator in poorly ventilated areas where grinding cannot be performed in controlled environment. ARO 039911 ACETONE TRADE OR OTHER NAME: CH3COCH3, METHYL ACETYL, PROPANONE USAGE - TRANSPORTATION - STORAGE: Used for cleaning aluminum and pipe in laboratory analysis. Stored in tool room in shops and oil house at R-136. Carried in small amounts by shop people, 55-gallon drums by R-136 crews, plastic jugs by gas and oil personnel. Approximately 35 galIons/month used. USING DEPARTMENTS: Gas and Oil, Refining Maintenance Crews, Machine Shop, Laboratory DESCRIPTION AND PROPERTIES: Colorless liquid with a fragrant mint-like odor. B.P. 65 C. Relative density of vapor to air, 2.0. Soluble in water, alcohol, ether, chloroform and most volatile oils. EXPLANATION OF HAZARDS: Although not a serious industrial hazard, prolonged inhalation of its vapor may cause Irritation of mucous membranes and narcocis. Also repeated contact with skin may cause irritation. RECOMMENDED CONTROL: Provide adequate ventilation and avoid contact with skin and eyes. Use gloves and safety goggles when handling. ARD 039912 ACETYLENE TRADE OR OTHER NAME: C2H2, PRESTOLITE, ETHINE USAGE - TRANSPORTATION - STORAGE: Used In flame cutting, burning, brazing, and reagent atomic absorbtlon. Approximately 190 265 cu. In. containers are used per month. It is transferred by towed or pushed carts, or trucked in stands. USING DEPARTMENTS: All Maintenance Crews, Oil and Gas, Machine Shop, Power, Digestion, Laboratory, Ingot,Pot Repair,Vehicle Repair, Potrooms. DESCRIPTION AND PROPERTIES: Colorless gas, garlic-like odor.-. Relative density to air 0.9. Bolling point - 127 F. minimum explosive limit in air is 2.5% by volume. Usually compressed in cylinders as a solution in acetone. EXPLANATION OF HAZARDS: When mixed with air, it has 2.5 to 80% explosive range. Toxic Limits: 9000 ppm 1/2 to 1 hour bearable; 250,000 ppm 1/2 to 1 hour exposure dangerous; 450,000 ppm 5 to 10 minutes exposure is fatal. Defective equipment liberates acetone vapor as well as acetylene. Carbon monoxide is formed by oxidation. RECOMMENDED CONTROL: Careful handling of cylinders necessary to prevent damage. Periodic checks of valves and hoses necessary to prevent leaks. Also proper ventilation is needed to remove reaction products. ARD 039913 ADHESIVES TRADE OR OTHER NAME: LEPAGE'S GLUE, MIRACLE TYPE M, DuPONT PLASTIC, SODIUM SILICATE, WOOD-LAC GLUE, BEST-TEST PAPER CEMENT, 3-M GEN PURPOSE AND RUBBER TO METAL, NATIONAL STARCH LOAD LOCK USAGE - TRANSPORTATION - STORAGE: Used for various bonding purposes. Approximately 300 tubes or kits used per month. Received from storeroom and stored in small amounts in office cabinets. Carried or trucked to using sites. USING DEPARTMENTS: Power, Machine Shop, Ingot Plant, Gas and Oil, Offices, Vehicle Repair, Electrolyte, Chlor Alkali, Maintenance, Potroom DESCRIPTION AND PROPERTIES: Sticky substances which cause substances to adhere. EXPLANATION OF HAZARDS: Solvents may be flammable liquids. RECOMMENDED CONTROL: Solvents in metal cans and stored in fireproof bins. No smoking when handling. ARD 039914 AEROSOL TRADE OR OTHER NAME: WD-40, krylon paint, vinyl-rust veto, filter handi-coater, electro-dry USAGE - TRANSPORTATION - STORAGE: Used as both a lubricant and paint form. Mostly as spray paint. About 350 cans per month is used. Stored within departments in self-contained cans. Trucked or carried to work site. USING DEPARTMENTS: Power and Machine Shop - All Maintenance DESCRIPTION AND PROPERTIES: Non-toxic water clear liquid that decomposes at 150C. EXPLANATION OF HAZARDS: High pressure can build up in aerosol cans when heated. Dangerous to puncture cans. Some aerosols are flammable. RECOMMENDED CONTROL: Avoid heat when storing. Do not puncture cans. Assume all materials flammable unless known not to be. Do not discard into trash that will be burned. ARD 039915 ALCOA JOINT COMPOUND TRADE OR OTHER NAME: ALCOA NO. 2 JOINT, ALNOX JOINT USAGE - TRANSPORTATION - STORAGE: Used on bus and wire connections and to protect anodes. Approximately 130 pounds per month used. Transported by vehicle or hand. Stored in tubes or metal cans. USING DEPARTMENTS: Gas and Oil, Potrooms, Power, Machine Shop, Maintenance, Chlor Alkali DESCRIPTION AND PROPERTIES: Soft grease-like material. Unsoluble In water. Soluble In mineral spirits. EXPLANATION OF HAZARDS: Possible dermatitis. RECOMMENDED CONTROL: Personal hygiene. 039916 AftO ALCOHOL (DENATURED) TRADE OR OTHER NAME: ETHYL ALCOHOL WITH ADDITIVE USAGE - TRANSPORTATION - STORAGE: Used for crane cylinder repairs, cleaning agent and Lab reagent. About three gallons per month consumed. Stored in metal cans. Transported vehicle or hand. USING DEPARTMENTS: Electrical and Instrument Maintenance, Power, Laboratory, Paint; and Insulation DESCRIPTION AND PROPERTIES: Ethyl alcohol denatured with chemicals such as benzene, gasoline, aldehydes, commercially pure wood alcohol, petroleum naptha, sulphuric acid, etc. Liquid is unfit for beverage use and odor varies depending upon additive material; is often poisonous when denatured. EXPLANATION OF HAZARDS: Liquid is irritant to mucous membranes of skin, nose, throat and eyes. In addition, theproduct of the reaction of the denaturant Is a poison of a non-potable material. RECOMMENDED CONTROL: Personal hygiene, proper ventilation, and warning labels of Its poisonous nature when taken internally. ARD 039917 ALUMINA (ORE, TABULAR AND ACTIVATED) TRADE OR OTHER NAME: A1203, REFINED BAUXITE ORE USAGE - TRANSPORTATION - STORAGE: Regular alumina used in Potrooms Is brought by railroad from Calcination to Smelting Storage and R-53 Storage for ship loading at R-52. Transported within Potrooms by crane or towed bins. Activated alumina is used in oil filters and breathers as a drying agent 500 pounds per month. Actuated stored cans, regular in tanks, and tabular in plastic-lined crates. USING DEPARTMENTS: Activated - Power, Gas and Oil - Laboratory Tabular - Ingot Plant Regular - Potrooms and Calcination - Refining Raw Materials - Pot Repair DESCRIPTION AND PROPERTIES: Activated - a highly porous and granular form of aluminum having a large absorptive capacity. EXPLANATION OF HAZARDS: Activated - none. Regular - oxygen liberated in electrolytic process will combine with carbon to form CO and C02 As used In our process it is not considered hazardous. RECOMMENDED CONTROL: None. ARD 039918 ALUMINUM AND ITS ALLOYS TRADE OR OTHER NAME: Al, PURE METAL, RICH ALLOYS, VARIOUS TRADE ALLOYS USAGE - TRANSPORTATION - STORAGE: Produce of smelting and the raw material of casting. Transported by crane and forklift. USING DEPARTMENTS: Potrooms and Ingot Plant and Machine Shop. DESCRIPTION AND PROPERTIES: Pure metal is a silvery ductile metal. Specific gravity 2.7 MP=660C. Aluminum alloys may contain one or more of the following elements: Boron copper, zinc, magnesium, silicon, titanium, and electrolytic manganese. EXPLANATION OF HAZARDS: During remelting and alloying of aluminum, the various metals making up the alloy may give off fumes that could cause serious health hazards. RECOMMENDED CONTROL: Fumes should be removed by furnace draft and natural building ventilation ARD 039919 ALUMINUM FLUORIDE TRADE OR OTHER NAME: A12F6 x H20, "FLUORIDE" USAGE - TRANSPORTATION - STORAGE: Used to maintain bath ratio in our Potrooms. Railroad to smelter. Loaded on ships. Conveyor to storage tanks - to buggies - to pots via buggie screw conveyor. USING DEPARTMENTS: j I Potrooms, Aluminum Fluoride Plant, Refining Raw Materials DESCRIPTION AND PROPERTIES: White powder or small lumps, 1/4" down to dust. Insoluble in water. Impurities Si02, 'Fe203, 3NaF-AlF3, Al2 (S04)3, AI2O3, H2O. EXPLANATION OF HAZARDS: | Dust readily in handling. Has up to 57. free HF acid as impurity. Dust and fume can cause serious burns and is irritating to eyes, nose and all skin membranes. Poisonous when ingested. RECOMMENDED CONTROL: Handle carefully to avoid dusting. Ventilate adequately. Prevent exposure of food to dust. Wash hands prior to eating - personal hygiene. ARD 039920 ALUMINUM PAINT TRADE OR OTHER NAME: WOOD AND METAL TYPES USAGE - TRANSPORTATION - STORAGE: Protective covering for metal surfaces. Approximately 5 gallons per month is used. Is stored in cans and transported by truck. Used in spray cans. USING DEPARTMENTS: Power - Chlor-Alkali - Paint and Insulation DESCRIPTION AND PROPERTIES: For wood - paint is a varnish containing 50-75 gallons of oil per 100 pounds of resin. For metal - less oil to resin producing paint film less flexible but harder and more brilliant. Flash Point 0-70F. EXPLANATION OF HAZARDS: Resins and oils may react with the skin, expecially when persons have an allergy. Fumes in confined spaces potentially hazardous. RECOMMENDED CONTROL: Personal cleanliness and adequate ventilation when using in confined spaces. Respirator may be required. ARD 039921 ALUMINUM SKIM TRADE OR OTHER NAME: NONE USAGE - TRANSPORTATION - STORAGE: A product generated in the smelting process. Either stored in end of potrooms or in skim shed. At Ingot Plant, skim is loaded into railroad cars, in potrooms it is placed back upon certain pots. USING DEPARTMENTS: Ingot Plant and Potrooms DESCRIPTION AND PROPERTIES: Aluminum skim may consist of aluminum ranging from 65% to 90% mixed with oxides, nitrides and carbides of aluminum, plus small amounts of chlorides or fluorides and possible beryllium. EXPLANATION OF HAZARDS: Reacts in wet atmosphere to liberate ammonia fumes - sometimes in excessive amounts which could be extremely dangerous. RECOMMENDED CONTROL: Exhaust ventilation or respirators. ARD 039922 AMMONIA GAS TRADE OR OTHER NAME: NONE USAGE - TRANSPORTATION - STORAGE: No usage - a gas generated from wet potlining. USING DEPARTMENTS: Potrooms, Pot Repair, Utility, Electrolyte DESCRIPTION AND PROPERTIES: Gas with a strong pungent odor. MAC 50/million parts of air Explosive Limits - 16-25% by volume in air EXPLANATION OF HAZARDS: Irritating to nose and eyes. Fire and explosion hazard are present but considered small. RECOMMENDED CONTROL: Ventilate well and avoid exposure. Stored away from heat and sunlight. 039923 MB0 AMMONIUM HYDROXIDE TRADE OR OTHER NAME: NH4OH, AMMONIA, AMMONIUM HYDRATE USAGE - TRANSPORTATION - STORAGE: Used for the detection of chlorine leaks. Lab reagent. USING DEPARTMENTS: Ingot Plant - Laboratory - Chlor-Alkali DESCRIPTION AND PROPERTIES: Ammonium hydroxide is a solution of 28-30% ammonia gas dissolved in water. Specific gravity - less than 1, solution gives off a pungent odor. MAC = 100 parts per million Explosive Limits - 16-25% by volume in air EXPLANATION OF HAZARDS: Vapor is very irritating to eyes and the respiratory system. The liquid is very irritating to the skin and mucous membranes. RECOMMENDED CONTROL: Provide adequate ventilation, eye protection and rubber gloves. Avoid contact with the liquid. ARD 039924 ANTIFREEZE (GLYCOL BASE) TRADE OR OTHER NAME: PRESTONE, ETHYLENE GLYCOL (METHANOL - SEE METHANOL 1) USAGE - TRANSPORTATION - STORAGE: Used once a year in feed waCer transmission and on plant air lines in winter. Total amount used per year is about 1000 gallons. Stored in drums and cans and transported by truck. USING DEPARTMENTS: Power - Vehicle Repair - Instrument Maintenance DESCRIPTION AND PROPERTIES: Ethylene-glycol, 95% by weight; oil, 1.5% by weight; water 3% by weight. Specific gravity 1.116 at 60F. Soluble in water, green dye added. EXPLANATION OF HAZARDS: None as used. RECOMMENDED CONTROL: None ARD 039925 ARGON TRADE OR OTHER NAME: AIRCO 330 CU. CL. USAGE - TRANSPORTATION - STORAGE: Used by all departments with exception of the Ingot Plant for the welding of aluminum used in Lab for reagent. Ingot plant uses to flux molten metal. Is stored in metal cylinders. Kept upright or in racks. 23 cylinders per month is used. j USING DEPARTMENTS: Power, Ingot, Machine Shop, Maintenance, Gas and Oil, Laboratory r-.'v,-' DESCRIPTION AND PROPERTIES: Colorless - inert gas. Does not combine chemically with other elements. Slightly soluble in water, will liquify at - 185.8C. EXPLANATION OF HAZARDS: None RECOMMENDED CONTROL: None ARD 039926 ASBESTOS (HI-TEMP) TRADE OR OTHER NAME: JOHNS-MANVILLE NO. 450, CAREY NO. 7M . (Also see MARINITE) USAGE - TRANSPORTATION - STORAGE: Used for manifold gaskets, insulation in metal transfer and pot cathodes, welding protection and caulking. Stored loose or in boxes and transported by truck or hand. USING DEPARTMENTS: Potrooms, Ingot Plant, Power, Paint-Insulation Dept., Pot Repair, Electrolyte - Smelting Mechanical Maintenance DESCRIPTION AND PROPERTIES: A material consisting of various silicates such as magnesium, iron and calcium. Usually in a silky strong fibrous or block state. EXPLANATION OF HAZARDS: Possible silicosis. MAC = 5 fibers longer than 5 micrometers per cubic centimeter of air. RECOMMENDED CONTROL: Respirator. ARD 039927 ATOMITE OSAGE - TRANSPORTATION - STORAGE: Iron tool protection and metal transfer usage. USING DEPARTMENTS: Ingot Plant DESCRIPTION AND PROPERTIES: Lime (CaO) content to be less than 0.5% and calcium carbonate, content to be at least 98%. EXPLANATION OF HAZARDS: If excessive amounts get into bottom of D.C. Pits and mixes with water causes high concentration (CaO) it could cause an explosion when contacted by molten metal. RECOMMENDED CONTROL: The above explanation was an if clause. Atomite in use in the Ingot Plant for tool and trough protection and therefore there is no possibility of any getting down in the pit. ARD 039928 BABBIT TRADE OR OTHER NAME: NONE USAGE - TRANSPORTATION - STORAGE: Used after processing as bearings for machinery. About 50 pounds per month is consumed. Transported by truck. USING DEPARTMENTS: Machine Shop, R-136 Maintenance Shop DESCRIPTION AND PROPERTIES: Lead Base 70-90% Lead 9-20% Antimony 0.5-9% Tin Tin Base 80-90% Tin 3-10% Copper 5-10% Antimony Variable low melting ranges. EXPLANATION OF HAZARDS: During melting, fumes containing lead, copper, or antimony are released. Poisonous when inhaled. Dust from grinding or cutting may cause acute stomach and intestinal disturbances. RECOMMENDED CONTROL: Adequate ventilation. Remove fumes and dust on all operations. ARD 039929 BAKELITE TRADE OR OTHER NAME: NONE USAGE - TRANSPORTATION - STORAGE: In sheet form it is used as insulating materials. Approximately 2 sq. ft. per month used. Hand carried. USING DEPARTMENTS: Machine Shop, Instrument Maintenance DESCRIPTION PROPERTIES: Bakelite is a trade name for a phenolic resin plastic material. EXPLANATION OF HAZARDS: When used as a solid - no hazard. Can cause conjunctiviti'p. RECOMMENDED CONTROL: None in sheet form. When baking, the gases should be exhausted to atmosphere. ARD 039930 BATH TRADE OR OTHER NAME: ELECTROLYTE USAGE - TRANSPORTATION - STORAGE: -_V'- Found In either liquid or solid.form. ...In potrooms, it isjr.hecessaz alumina dissolution. InIngot;Plant, it le found in fuurnac"e*'*$"s*'kj-jn1 stored in skim shed.^Potroom.-sollds^are stored.inv r -y. ; . > ^ - USING DEPARTMENTS:; f Potrooms and Ingot Plant Ml &i. t i^ DESCRIPTION AND PROPERTIES: , ^. .v. ^ v, Composed:mainly of cryolite^ptherconstituents%ara--3Mu"L'iv--1~'lyH T:T sodium" fluoride and ^scSalasnf^Mel ipproachesj , SIFa ; are;formedduring; i ' *T <- s*. 'J-.C-.-t. wj-. - T .y-i .T<S'.-W*" {process" Syesf. i -*V t -*>' EXPLANATION OF HAZARDS In a molten state .*.'1 i'.,- - - . in a reduction cell, - .* ,, ._ . . "*!. I gaseous fluorides -`and; poisonous. Prolonged.inhalation will irritate and damage^gtfu tract. If ingested in sufficient quantitltes. are toxic^mNormal exposure to gases and,-fumes is>/not injurious. .;. '--.iWL. , ;v RECOMMENDED CONTROL: Collect gases, dust, and fumes from source. Prevent exposure of food to dust. Wash hands prior to eating. ARD 039931 beryllium TRADE OR OTHER NAME; NONE USAGE - TRANSPORTATION - STORAGE; Used as an alloy. Approximately 500 pounds used per month. USING DEPARTMENTS: Ingot DESCRIPTION AND PROPERTIES: A steel-gray light strong brittle toxic bivalent metallic element. MAC = 2 micrograms/tn^ EXPLANATION OF HAZARDS: The inhalation of beryllium into the body can cause either an acute or a delayed chemical pneumonitis. Ulceration and irritation of the skin have been observed. RECOMMENDED CONTROL: Go to great lengths to avoid contact: Chemical safety goggles, respirator. Good general ventilation. ARD 039932 1 BORON TRADE OR OTHER NAME: NONE USAGE - TRANSPORTATION - STORAGE: Used In alloying as a 3% boron-aluminum master alloy. USING DEPARTMENTS: Ingot Plant DESCRIPTION AND PROPERTIES: Boiling Point - 2550C Melting Point - 2300C Monocl. yellow or brown amorphous powder EXPLANATION OF HAZARDS: Not highly toxic or considered an industrial poison. RECOMMENDED CONTROL: If exposed to high dist concentrations, respirators should be worn. ARD 039933 BOWL CLEANERS TRADE OR OTHER NAME: VANI-SOL, SANI-FLUSH, URINAL BOWL-WEST CHEM USAGE - TRANSPORATION - STORAGE: Cleaning toilet bowls. Metal cans - small amounts poured into bowls. USING DEPARTMENTS: Plant wide DESCRIPTION AND PROPERTIES: Approximately 80% solid sodium bisulphate. Forms strong acid solutions in water. EXPLANATION OF HAZARDS: Irritating to skin on prolonged contact. RECOMMENDED CONTROL: Avoid contact with skin. Wear rubber gloves and eye protection. ARD 039934 BRAKE FLUID - HYDRAULIC FLUID TRADE OR OTHER NAME: WAGNER ELECTRIC USAGE - TRANSPORTATION - STORAGE: Used in cranes, fork trucks, and bar burners. Approximately 14 gallons per month used. Stored in metal cans and transported by vehicle and hand USING DEPARTMENTS: Ingot Plant, Machine Shop, Electrical and Instrument Maintenance, Vehicle Repair DESCRIPTION AND PROPERTIES: Largely alcohol ethers blended with varying amounts of material such as castor oil and mineral oil. EXPLANATION OF HAZARDS: All are chlorinated oils and may cause dermatitis. Has been known to cause allergic symptoms in humans. RECOMMENDED CONTROL: Personal hygiene and protective clothing. ARD 039935 BRAZING ALLOYS TRADE OR OTHER NAME: Si-Phos, Ti-al, Phos-Cu, P6-Bi, Mn-B, Be-Al, Ca-AI, CASTOLING, EASY FLOW, STANDARD BRONZE, NON-FLAMING BRAZING NO. 25 USAGE - TRANSPORTATION - STORAGE: In equipment repair of metal parts, approximately 25 pounds per month used. Mostly kept in Stores and picked up as needed. Within departments, mostly stored in cabinets and hand carried. USING DEPARTMENTS: Machine Shop, Mechanical Maintenance, Electrical Maintenance, Gas and Oil, Power, Vehicles Repair DESCRIPTION AND PROPERTIES: Some rods have a thin coating while others use a separate flux. EXPLANATION OF HAZARDS: Fumes from these alloys may cause metal fume fever. Fumes from fluxes used may be poisonous if ingested. RECOMMENDED CONTROL: Adequate ventilation. Forced ventilation when working in confined areas. ARD 039936 BRICK TRADE OR OTHER NAME: FIRE BRICK, RED BRICK, PAVING BRICK OR TILE, BUILDING BRICK, REFACTORY USAGE - TRANSPORTATION - STORAGE: Used as furnace, kiln, floor, R-181 box, and as pot lining insulation. USING DEPARTMENTS: Ingot Plant, Potrooms, Calcination, Pot Repair, Property Maintenance DESCRIPTION AND PROPERTIES: Properties and composition vary. Silica, alumina, chromates and iron oxides are common constituents. EXPLANATION OF HAZARDS: Continued inhalation of fine particles resulting from sawing or grinding may cause fibrosis of lung tissue. RECOMMENDED CONTROL: Provide adequate ventilation and a system for exhausting dust during cutting or grinding. ARD 039937 BRINE (ACID OR ALKALINE) USAGE - TRANSPORTATION - STORAGE: Used as an additive to flow systems. Contained within pipes and tanks. USING DEPARTMENTS: Chlor-Alkali DESCRIPTION AND PROPERTIES: A highly concentrated saline solution - salt and water. EXPLANATION OF HAZARDS: No great danger in handling. May sting slightly upon contact. Depleted brine may irritate the nose due to the presence of dissolved chlorine. RECOMMENDED CONTROL: Avoid breathing fumes. ARD 039938 BRIQUETTS TRADE OR OTHER NAME: PASTE USAGE - TRANSPORTATION - STORAGE: Produced in Paste Plant - transferred by railroad car to R-53 for ship or barge loading. Used in Potrooms. USING DEPARTMENTS: Paste Plant, Refining Raw Materials, Potrooms DESCRIPTION AND PROPERTIES: Black in color; mixture of pitch and coke; formed into briquetts in Paste Plant. EXPLANATION OF HAZARDS: Phenolic compound may cause burns through contact with skin or eyes. This is aggravated by sunlight - volatiles from pitches burn readily. Dust is explosive in certain concentrations. RECOMMENDED CONTROL: Provide adequate ventilation when fumes or dust are produced. Avoid skin contact. Use mechanical handling equipment. ARD 039939 BRONZE TRADE OR OTHER NAME! NONE USAGE - TRANSPORTATION - STORAGE: Used as bushings. Kept in stores and drawn out as needed. Approximately 50 pounds per month used. Hand carried to work areas. USING DEPARTMENTS: Machine Shop DESCRIPTION AND PROPERTIES: A copper-tin alloy of variable composition containing some zinc or lead or both and a small percentage of other metals. Flash Point 80F or possibly lower. EXPLANATION OF HAZARDS: None in a solid state. RECOMMENDED CONTROL: None ARD 039940 BUTTS TRADE OR OTHER NAME: "FISH", "BURN OFFS" USAGE - TRANSPORTATION - STOARGE: Solid chunks of anode that have been removed from operating pots, placed in courtyard to cool, transported by payloader to stockpiles outside of potrooms. USING DEPARTMENTS: Potrooms DESCRIPTION AND PROPERTIES: Remnants of carbon anodes after use in pots with bath and alumina adhering. Dust contains finely divided carbon, fluoride compounds and alumina. EXPLANATION OF HAZARDS: Fluoride dust and fumes are irritating to nose and throat and act as poisons when ingested in quantities. Dermatitis may occur. RECOMMENDED CONTROL: Collection of dust from source. Prevent exposure to food. Personal hygiene. ARC 039941 CARBON AND CARBON DUST TRADE OR OTHER NAME: ANODES, ELECTRODES, GRAPHITE ML 885, GRAPHITE ML 886 USAGE - TRANSPORTATION - STORAGE: Used as electrodes in shop for cutting purposes. Ingot Plant to retard aluminum alloy oxidation; and in potrooms is discarded as skimmings to be later processed through Flotation to reclaim bath. Used on generators as brushes. USING DEPARTMENTS: Machine Shop, Ingot Plant, Potroom, Power, Electrical Maintenance, Gas and Oil, Pot Repair DESCRIPTION AND PROPERTIES: A non-metallic chiefly tetravalent element found native or as a constituent of coal, petroleum, and asphalt, of limestone and other carbonates and of organic compounds or obtained artifically in varying degrees of purity especially as carbon block, lamp black, activated carbon, charcoal, and coke. EXPLANATION OF HAZARDS: Carbon monoxide and dioxide formed during use in pots, but most gases are exhausted through scrubbing towers thereby minimizing the hazard. RECOMMENDED CONTROL: Adequate .ventilation and potroom fume collecting systems control most hazards. ARD 039942 CARBON DIOXIDE TRADE OR OTHER NAME: C02, CARBONIC ACID, DRY ICE USAGE - TRANSPORTATION - STORAGE: In power it is used in dry ice form for freezing bearings. Is kept in a deep freeze and transported in boxes. Approximately 200 pounds per month used. In Gas or Oil it is used as fire protection and is stored in gas form in metal cylinders. Large quantities are used in ChlorAlkali in the treatment of brine. Lab reagent. Used in CO2 fire extinguishers. Large quantities are also used in Cryolite Plant. USING DEPARTMENTS: Power, Oil and Gas, Chlor-Alkali, Electrolyte, Laboratory, Electrical Maintenance, Plant Protection DESCRIPTION AND PROPERTIES: Colorless, odorless gas. Relative density of gas to air is 1.5. Boll ing point (Sublimes) -78.5? Specific gravity 1.53. Compressed as a liquid in steel cylinders. Formed whenever organic materials are burned in air. An atmosphere of this gas will not support life. MAC = 5,000 parts per million. EXPLANATION OF HAZARDS: Includes asphyxia by excluding oxygen. Heavier than air and may collect in manholes, tanks, vats, etc. RECOMMENDED CONTROL: Adequate ventilation. Dilution with uncontaminated air. Use a selfcontained breathing apparatus when hazard is present. ARD 039943 CARBON MONOXIDE TRADE OR OTHER NAME: CO USAGE - TRANSPORTATION - STORAGE: Monoxide gas is produced in any department where combustion of an incomplete nature -occurs. USING DEPARTMENTS: Plant wide DESCRIPTION AND PROPERTIES: Colorless, odorless gas, lighter than air 0.967 to 1. Combustible and explosive --12.5 to 757.. Combines chemically with blood hemoglobin preventing it from picking up oxygen. Toxic limits 100 ppm for 8-hour work period. 1,500 to 2,000 ppm for 60 minutes very dangerous. MAC = 50 parts per million Explosive limits = 12.5-747. volume in air EXPLANATION OF HAZARDS: Hemoglobin of blood has an affinity for CO 300 times greater than for oxygen. Toxic effects show headache, confusion, nausea and collapse in varying degrees and depending upon concentration. The most widespread poisonous gas in industry and very frequently en countered in all phases of industry and the home where incomplete combustion of carbon monacerous materials may occur. Death occurs due to lack of oxygen, and chemical asphyxiation occurs with production of cherry red color to skin. RECOMMENDED CONTROL: Exhaust all fumes, replacing with uncontaminated air. Proper ventilation, proper adjustment of burning and carburetor units to decrease production CO. Oxygen breathing apparatus should be available. ARD 039944 CARBON TETRACHLORIDE ; TRADE OR OTHER NAME: C CI4, CARBONA, PYRENE, TETRA, CARBON TET. OSAGE - TRANSPORTATION - STORAGE: For vulcanizing of conveyor belts and rubber lined tanks when repair is necessary. Used as Lab reagent, scrubbing chlorine gas. Approxi mately 50 drums per month used. Is stored in drums, but transported in smaller quantities contained in cans. USING DEPARTMENTS: Chlor-Alkali, Laboratory DESCRIPTION AND PROPERTIES: Clear colorless liquid, highly volatile halogenated hydrocarbon. Specific gravity 1.58. Boiling point 76,8C non-flammable and non explosive. Relative density of vapor to air is 5.3. Least detectable odor of this vapor is 72 ppm. MAC = 100 parts per million. EXPLANATION OF HAZARDS: HIGHLY TOXIC MATERIAL Continued immersion of skin membranes may dissolve the natural oils leading to dermatitis. Inhalation of the vapor may cause poisoning. MAC is 25 ppm of vapor. Known to react with the liver, heart and kidney. RECOMMENDED CONTROL: SHOULD NEVER BE USED AS A SOLVENT Provide adequate ventilation, rubber gloves, and eye protection. ARD 039945 CARBON TETRAFLUORIDE TRADE OR OTHER NAME: CF4, TETRAFLURO-METHANE USAGE - TRANSPORTATION - STORAGE: Product of the reduction process in Smelting. Constituent of pot gas. USING DEPARTMENTS: Potrooms DESCRIPTION AND PROPERTIES: Gas slightly soluble in water. EXPLANATION OF HAZARDS: Hydrofluoric acid is a reaction product. Carbon tetrafluoride given off only in minor quantities.. Hazard dependent upon total quantities of fluoride as gas rather than carbon tetrafluoride itself. RECOMMENDED CONTROL: Collect and remove gases by shielding pots. AF>D 039946 CAULKING COMPOUNDS TRADE OR OTHER NAME: PECORA CAULKING COMPOINDS, ALUMILASTIC C PARR PAINT, ALUMILASTIC CB PARR PAINT. USAGE - TRANSPORTATION - STORAGE: Used as a sealing compound. About 26 gallons per month used. Stored either in cans or tubes and transported by vehicle. USING DEPARTMENTS: R-136 Maintenance, Chlor-Alkaliy Property Maintenance DESCRIPTION AND PROPERTIES: A non-hardening putty-like compound. EXPLANATION OF HAZARDS: None as used. RECOMMENDED CONTROL: None 039941 CEMENT (PORTLAND) TRADE OR OTHER NAME: ALAMO 28 DAY TYPE - MASONRY CEMENT USAGE - TRANSPORTATION - STORAGE: Transported and handled in paper bags. Used for making concrete throughout plant. USING DEPARTMENTS: Power, Ingot Plant, Potrooms, Property Maintenance DESCRIPTION AND PROPERTIES: Mixture of calcium silicate and calcium aluminate with excess of lime. 21 - 23.57. 2..49 - 3.547. 5,.68 - 8.127. 60..25 - 64.127. 0..88 - 2.78% Silica Ferric Oxide Alumina Calcium Oxide Magnesia Very finely divided material. EXPLANATION OF HAZARDS: Can cause respiratory irritations. In contact with water will form a caustic which will act as a skin irritant. In dry form, it is conductive to eye irritation. Dermatitis is the hazard usually encountered. RECOMMENDED CONTROL: Personal hygiene. Avoid prolonged exposure. ARD 039948 CEMENT (REFRACTORY) TRADE OR OTHER NAME: LOMNITE, HYTEMPITE, HALLEMITE, THERMOLITY, HORWOCO BOND, SUPER 3000 POROK CEMENT, CARBONACEOUS USAGE - TRANSPORTATION - STORAGE: In furnace and metal transfer crucible linings as well as pot and laddie lings. Filling anchor bolts holes. Stored in bags and transported by vehicle. USING DEPARTMENTS: Potrooms and Ingot Plant, Maintenance, Pot Repair DESCRIPTION AND PROPERTIES: Properties and composition vary. Usually high In silicous materials and/or alumina. EXPLANATION OF HAZARDS: Continued inhalation of fine particles of dry cement may cause fibrosis of lung tissue. Dust from handling could be hazardous if duration of exposure is excessive. RECOMMENDED CONTROL: Handle carefully when dry. Wearing respirator recommended during periods of long exposure to dust such as when unloading. ARD 039949 CHLORINE TRADE OR OTHER NAME: ci2 USAGE - TRANSPORTATION - STORAGE: Is used as both an aluminum fluxing agent and in water and sewage treatment. Lab reagnet. Stored in 150 pound cylinders and transported by trailer. cylinders per month are used. In Refining, it is a by product of the production of caustic soda and is stored in luqid form under refrigeration. USING DEPARTMENTS: Smelting Mechanical Maintenance, Ingot Plant, Gas and Oil, Chlor-Alkali, Laboratory, Property Maintenance DESCRIPTION AND PROPERTIES: Greenish yellow gas with a pungent odor, suffocating odor. Relative density to air 2.44. Very soluble in water. Corrosive to most metals. Non-corrosive to cast iron and stainless steel. Reacts with moisture of atmosphere to form hydrogen chloride. Least detectable odor is 3.5 ppm. ' | J MAC = 1 part per million. , EXPLANATION OF HAZARDS: POISONOUS GAS MAC is 1 ppm. Irritant to upper respiratory tract and also toxic to the deeper tissues. Exposure to concentrations of 40-60 ppm for 30-60 minutes may have serious or fatal consequences. Small amounts cause prolonged coughing. During fluxing, chlorides of the various constituents of the alloy as well as free chlorine will be given off. Removed via stack if dampers correctly set and hose, valves, and fluxing pipe are in good operating order. RECOMMENDED CONTROL: Provide adequate ventilation. Careful handling of cylinders necessary. Check frequently on valves, hoses, and connections on fluxing equipment. Proper regulation of furnace drafts to remove fumes to the outside. ARD 039950 TRADE OR OTHER NAME: BOILER CLEANER ACID CHROMIC ACID USAGE - TRANSPORTATION - STORAGE: Used in Refining Power Department. Bulk stored in R-25A tank farm. Pumped to boilers and back to tank. About 10,000 gallons stored. Used three times every two years. Small amount in Lab to clean glass. USING DEPARTMENTS: Refining Power, Laboratory DESCRIPTION AND PROPERTIES: A mixture of acids formulated for this purpose. Chromic acid Is usually the main ingredient. EXPLANATION OF HAZARDS: Handle on the assumption that chromic is an ingredient. Hazards of chromic acid are: 1. Should not be brought into immediate contact with organic substances or other reducing agents, as a serious explosion is likely to result. 2. Fire hazard: dangerous, causes severe burns. RECOMMENDED CONTROL: Handle as any strong acid. Store away from possible heat or fire. As use at Point Comfort controls are adequate. ARD 039951 CHROMIC ANHYDRIDE TRADE OR OTHER NAME: Cr03, CHROMIC ACID, CHROMIC TRIOKIDE USAGE - TRANSPORTATION - STORAGE: As a water inhibitor in rectifier areas. USING DEPARTMENTS: Power DESCRIPTION AND PROPERTIES: Reddish brown crystals. Specific gravity of 2.67 to 2.82 up at 196C. Soluble in water and ether. Deliquescent. A hexavalent chromium compound. MAC for dust is 1 mg perllO cu meters of air. EXPLANATION OF HAZARDS: Hexavalent chromium compounds are highly toxic. This material will dust readily. Is Irritating to the eyes and will penetrate through cracks and fIssues and set up typical "Chrome Ulpers." RECOMMENDED CONTROL: Careful handling to prevent dusting. Personal hygiene, particularly regarding cracks or fissures of the skin that are exposed to the anhydride. ARD 039952 CHROMIC OXIDE (CHROMIUM) TRADE OR OTHER NAME: Cr203, CHROME GREEN, CHROMIUM OXIDE USAGE - TRANSPORTATION - STORAGE: Alloying material for both pots and furnaces. Received in bags, weighed and placed in smaller quantities. Added to pots on schedules. USING DEPARTMENTS: Potrooms and Ingot Plant DESCRIPTION AND PROPERTIES: Bright green crystalline powder. Specific gravity of 5. Melting point 1990C. Insoluble in water and acids. Impurities are SIO2 and Fe03. A trevalent chromium compound. EXPLANATION OF HAZARDS: Chromium compounds taken internally are poisonous. Handled In small quantities with little danger of dusting. RECOMMENDED CONTROL: Personal hygiene. ARO 039953 COAL TRADE OR OTHER NAME: ANTHRACITE, BITUMINOUS USAGE - TRANSPORTATION - STORAGE: Processed at Paste Plant for potlining. In final form is semi-solid and very hot. USING DEPARTMENTS: Potrooms, Paste Plant, Pot Repair DESCRIPTION AND PROPERTIES: Black shiny solids consisting mainly of carbon and some impurities such as sulphur and iron. Contains volatile until calcined or burned. Combustible to a varied extent. EXPLANATION OF HAZARDS: Hazards are due to reaction with products during combustion. Exposure to coal dust may lower resistance to respiratory disease. RECOMMENDED CONTROL: Handle in enclosed crushers and conveyors and wet down when possible. Provide adequate exhausting equipment for handling gaseous products of combustion. ARD 039954 COKE TRADE OR OTHER NAME: PET OR PETROLEUM COKE, PITCH USAGE - TRANSPORTATION - STORAGE: Processed at the Paste Plant to produce the substance used for our plant anode material. In final form it is a semi-solid and very hot. USING DEPARTMENTS: Potrooms, Pot Repair, and Paste Plant DESCRIPTION AND PROPERTIES: Formed as residue from distructive distillation of coal, pitch, petroleum or other carbonaceous materials. Usually cellular in structure. EXPLANATION OF HAZARDS: Hazards due to reaction products - formation of CO being the primary one. During handling, some dusting is likely. Prolonged exposure to fine dust may be contributory to the weakening of resistance^ to lung disorders. RECOMMEND CONTROL: Provide adequate ventilation and sufficient dust collecting devices during handling. Dust respirators to employees exposed to considerable dusting. ARD 039955 COPPER TRADE OR OTHER NAME: . Cu USAGE - TRANSPORTATION - STORAGE: Found as: alloying element, by-product of undercutting commutators, dust from sawing or filing of electrical connectors, collector, collector straps, and electrical wire. Stored in rolls, open stock pile, or bins and transported by truck or cart. About 5000 pounds per month used. Used in Potroom for dead-heads and flexible straps. USING DEPARTMENTS: Ingot Plant, Electrical and Instrument Maintenance, Machine Shop, Power Chlor-Alkali, Potrooms DESCRIPTION AND PROPERTIES: Reddish, lustrous, flexible, ductile, malleable metal. Specific gravity 8.96, Melting Point! 1083C Boiling point 2310C MAC = ftunes 0.1 mg/mc - dust 1 mg/mJ EXPLANATION OF HAZARDS: As normally used, it is not a hazard. Excessive amounts of fine dust may cause metal poisoning if absorbed. RECOMMENDED CONTROL: Copper dust from grinding operations should be removed by an exhaust system. Operators should wear respirators in confined area. Dust should be collected. MAC = 1 mg/m3 - Dust ARD 039956 CRYOLITE TRADE OR OTHER NAME: Na3AlF6, KRYOLITH, KRYOFLUX, HEISER, SYNTHETIC USAGE - TRANSPORTATION - STORAGE: Produced as a finished product from Electrolyte and Flotation. Used in Potrooms as main constituent of bath. Railroaded from Electrolyte to Smelting storage. Storage to pots via payloader. Flotation cryolite is bagged and placed on pots when needed. Loaded to barge and ship. USING DEPARTMENTS: Potrooms and Electrolyte, Refining Raw Materials DESCRIPTION AND PROPERTIES: Lumps or powder chemically inert. Insoluble in water. Natural fluoride of Na and Al. Impurities in synthetic NaF, Na2C03, Si02, AI2O3, AIF3, AI2(SO^)^ HF and SiF* formed during reduction process. MAC = 1-2.5 mg/m3 EXPLANATION OF HAZARDS: Cryolite dusts readily and if ingested in sufficient quantities is toxic. When molten, small amounts of fluorine are given off as gaseous fluorine compounds. Prolonged inhalation will cause irritation and damage to the respiratory tract. RECOMMENDED CONTROL: Collect gases and fumes at the source. Prevent exposure of food to dust. Personal hygiene. ARD 039957 DIESEL TRADE OR OTHER NAME: KEROSENE ML 912 USAGE - TRANSPORTATION - STORAGE: Used as fuel. Transported by tank truck and pipeline. ' USING DEPARTMENTS: Gas and Oil, Refining Raw Materials, Precipitation, Pot Repair, Property Maintenance DESCRIPTION AND PROPERTIES: SEE KEROSENE EXPLANATION OF HAZARDS: SEE KEROSENE RECOMMENDED CONTROL: SEE KEROSENE ARD 039958 DRAIN SOLVENT TRADE OR OTHER NAME: DRAINO, PIPE KLENZO USAGE - TRANSPORTATION - STORAGE: Stocked In cans for janitorial use. Hand carried and dispensed in small amounts to drains. USING DEPARTMENTS: Plant wide. DESCRIPTION AND PROPERTIES: Granular sodium hydroxide, a strong caustic. May have small particles of aluminum Included to hasten the reaction. EXPLANATION OF HAZARDS: All forms, both solid and liquid, will burn skin membranes and cause conjunctivitis of the eyes. MAC set at 2 mg per cubic meter of sodium hydroxide for dust or mist. RECOMMENDED CONTROL: Care in handling. Follow instructions on labels. Wear gloves and eye protection when needed. ARD 039959 DRY ICE TRADE OR OTHER NAME: C02 USAGE - TRANSPORTATION - STORAGE: For drying out refrigeration systems. About 100 pounds per year used. Stored in freezer and transported by vehicle and hand. USING DEPARTMENTS: Electrical Maintenance DESCRIPTION AND PROPERTIES: SEE CARBON DIOXIDE EXPLANATION OF HAZARDS: SEE CARBON DIOXIDE RECOMMENDED CONTROL: SEE CARBON DIOXIDE ARD 039960 DYE TRADE OR OTHER NAME: SPOTCHECK DEVELOPER, SPOTCHECK PENETRANT, SPOTCHECK CLEANER, MAGNAGLO, PEN BLUE, PRURRIAN BLUE USAGE - TRANSPORTATION - STORAGE: Used for coloring and detecting metal cracks. USING DEPARTMENTS: Power, R-136 Maintenance, Ingot, Vehicles Repair DESCRIPTION AND PROPERTIES: MAC = 200 ppm Explosive limits = 1.3-6.8% by volume in air. EXPLANATION OF HAZARDS: Same as any hydrocarbon. A flammable liquid and a dangerous hazard. RECOMMENDED CONTROL: Store in cool, well-ventilated area away from any potential fire hazard. Personal hygiene. ARD 039961 ELECTRICAL INSULATING MATERIAL TRADE OR OTHER NAME: FORMICA, MICARTA, OKONITE CEMENT, J. M. DUXSEAL, GLYPTOL - G.E., WEST. INSUL VARNISH-EPOXY USAGE - TRANSPORTATION - STORAGE: For bus, wiring, etc. Form of either material or liquid (Glyptol). Carried or trucked. USING DEPARTMENTS: Machine Shop, Power, Potrooms, Electrical and Instrument Maintenance, Property Maintenance, Pot Repair DESCRIPTION AND PROPERTIES: Composition varies by manufacturer. EXPLANATION HAZARDS: None as used. RECOMMENDED CONTROL: None i ARD 039962 EPOXY TRADE OR OTHER NAME: COAST PAINT, WESTINGHOUSE, G.E., DOLPH'S, TARSET USAGE - TRANSPORTATION - STORAGE: For equipment repair and insulation. Comes in either tubs or cans. Stored in cardboard cartons and either carried or trucked to job site. USING DEPARTMENTS: Operation vide. DESCRIPTION AND PROPERTIES: SEE PAINT AND ENAMEL DESCRIPTION. EXPLANATION OF HAZARDS: Although not a serious industrial hazard, prolonged exposure or contact can cause irritation to eyes or skin. RECOMMENDED CONTROL: Adequate ventilation. Use with proper equipment. Avoid direct contact with hardners or uncured resins. TRADE OR OTHER NAME: ETHYL ETHER ETHER USAGE - TRANSPORTATION - STORAGE: Used In vehicle repair for quick start on vehicles. 15 oz. cans used In Lab as reagent. USING DEPARTMENTS: Vehicle. Repair, Laboratory DESCRIPTION AND PROPERTIES: A/.light volatile flammable liquid - obtained by distillation of alcohol with sulfuric acid. MAC = 4^0 ppm EXPLANATION OF HAZARDS: Flammable - Anesthetic - Severe explosion hazard. Highly dangerous In presence of heat. RECOMMENDED CONTROL: Keep away from open flames or heat. Provide: good ventilation. ARD 039964 TRADE OR OTHER NAME: IRON MANGANESE ALLOY I FERROMANGANESE USAGE - TRANSPORTATION - STORAGE: For alloy in pots. Stored in plastic lined crates or open pile. Measured into proper amounts by Utility, to pots by forklift, poured manually onto sealed pots. USING DEPARTMENTS: Potrooms DESCRIPTION AND PROPERTIES: Dense metallic-like substance ranging from 4" lumps down to fines which disintergrates when exposed to atmosphere for a period of time. It is an alloy consisting principally of 7% iron and 93% manganese. Impurities are silicone and carbon. EXPLANATION OF HAZARDS: There are no shipping regulatons or industrial hazards. RECOMMENDED CONTROL: None ARD 039965 FIBERFRAX (CEMENT AND PAPER) V':'/ USAGE - TRANSPORTATION - STORAGE: Used as a sealer In molten metal transfer - applied to Joints. Used In fluidized vessels as a fluidizing membrane. USING DEPARTMENTS: Ingot Plant, Calcination, Electrolyte DESCRIPTION AND PROPERTIES: A fiberous ceramic insulating material. The liquid cement QF7 is painted on and when dry has the same insulating quality as the paper. EXPLANATION OF HAZARDS: None RECOMMENDED CONTROL: None ARD 039966 Fiberglass - Fiber TRADE OR OTHER NAME: Fiberglass cloth USAGE - TRANSPORTATION - STORAGE: 4 Used for insulation - used with resin and activated to hatch and Join fiberglass pipe. USING DEPARTMENT: Paint and Insulation, Maintenance DESCRIPTION AND PROPERTIES: Glass in a fibrous form used to make various products EXPLANATION OF HAZARDS: Skin irritation RECOMMENDED CONTROL: Personal Hygiene ARD 039967 FLOOR SWEEPING COMPOUND USAGE - TRANSPORTATION STORAGE: To clean floors. High absorption capacity. Approximately 2500 pounds per month used. It is stored in barrels or drums and carried by bucket to work area. USING DEPARTMENTS: Operations vide. i | DESCRIPTION AND PROPERTIES: Actual composition not known. Believed to be sawdust and a dye, wet with an oil. EXPLANATION OF HAZARDS: None RECOMMENDED CONTROL: None ARD 039968 FLUORESCENT TUBES USAGE - TRANSPORTATION - STORAGE: For lighting and relamping. About 160 per month used. Stored in cardboard cartons and carried or trucked to work site. USING DEPARTMENTS: Operations wide. DESCRIPTION AND PROPERTIES: Glass tubes with in&ides coated with phosphor powder. EXPLANATION OF HAZARDS: NO HAZARD EXCEPT BREAKAGE Formerly very hazardous due to the inside coating of poisonous berryHum phosphor powder. This type of powder is no longer used. RECOMMENDED CONTROL: Care in handling. Wear proper safety equipment when Installing. ARD 039969 FLUORSPAR TRADE OR OTHER NAME: CaF2, FLUORITE, "SPAR," CALCIUM FLUORIDE USAGE - TRANSPORTATION - STORAGE: As a constituent of electrolyte in pots and of one of the raw materials for the Aluminum Fluoride Plant. Railroad to plant, stored In stock piles. Unloaded from ship to storage. USING DEPARTMENTS: Potrooms and Electrolyte and Refining Raw Materials DESCRIPTION AND PROPERTIES: Varicolored, powdery or lumpy material. Major constituent is CaF2, may contain 2.3% silica as impurities. Other impurities are CaC03; Fe23 Zn Ca> ^23 EXPLANATION OF HAZARDS: As used, it can be classified as non-hazardous, but if ingested in quantity it is a dangerous poison. RECOMMENDED CONTROL: Personal hygiene, prevent exposure of food to dust. ARD 039970 FREON TRADE OR OTHER NAME: CCI2F2, Dichloro DIfluoromethane, F-12 USAGE - TRANSPORTATION - STORAGE: As additive to air conditioning and refrigeration systems. Stored in steel cylinders. Approximately 4,000. pounds per month used. USING DEPARTMENTS: Electrical Maintenance, Chlor-Alkali, Vechicle Repair DESCRIPTION AND PROPERTIES: Colorless, odorless, and tasteless gas vhich is 4.2 times heavier than air. Non-explosive and non-flammable - non-corrosive to metals. EXPLANATION OF HAZARDS: Acts as an anesthetic at high concentrations. Decomposed by heat releasing carbon monoxide, chlorine, phosgene, hydrogen fluoride. These products act as irritants to skin, eyes, nose and throat with prolonged exposure possibly causing death. "Freon MAC 1000 ppm. Spray into eyes Instantly freezes tissue. RECOMMENDED CONTROL: Proper maintenance and Inspection to prevent leaks. Adequate ventilation should be provided for repeir work, little danger of poisoning in low concentration. Goggles required when handling or working in the vicinity of freon. Do not expose to heat. ARD 039971 GANNISTER TRADE OR OTHER NAME: GROUND BRICK, GROG USAGE - TRANSPORTATION - STORAGE: Used on both potlinings and floors. USING DEPARTMENTS: Potrooms DESCRIPTION AND PROPERTIES: A highly refractory material. May contain silicon, iron, chromates, alumina. Often ground fire brick or other siliceous materials. EXPLANATION OF HAZARDS: Continued inhalation of fine particles resulting from crushing or grinding may cause fibrosis of lung tissue. Dust from handling could be hazardous but usually particles are too coarse to be harmful. RECOMMENDED CONTROL: Adequate ventilation should be provided during handling and crushing of bricks. For prolonged exposure, face masks should be available and used. ARD 039972 I GAS, NATURAL USAGE - TRANSPORTATION - STORAGE: For engine and furnance combustion. Plant. Contained within piping. Lab for heating and distillation. Finished product of Oil and Gas !USING DEPARTMENT: Power, Ingot Plant, Oil and Gas, Calcination, Electrolyte, Chlor-Alkali, 18-1, 18-F, 18X, Laboratory, Machine Shop, Pot Repair, Vehicle Repair, Property Maintenance (Hot water heating in several locations) DESCRIPTION AND PROPERTIES: Explosive limits = 4.8 - 13.5% b: volume in air. EXPLANATION OF HAZARDS: These gases are all flammable and dangerous fire hazards. RECOMMENDED CONTROL: Adequate ventilation, keep away from possible fire hazards. ARD 039973 TRADE OR OTHER NAME: ALUMILASTIC C AND CB, WHITE LEAD i GLAZING COMPOUND USAGE - TRANSPORTATION - STORAGE: To glaze surfaces. Stored at storeroom and trucked to Job as needed. Approximately one gallon per month used. USING DEPARTMENTS: Mechanical and Instrument Maintenance, Paint and Insulation DESCRIPTION AND PROPERTIES: Mixture of whiting (chalk) with linseed oil, with or without lead or other pigments. EXPLANATION OF HAZARDS: None except for lead. RECOMMENDED CONTROL: See LEAD ARD 039974 GLYCERIN TRADE OR OTHER NAME: c3h5(oh)3, GLYCEROL, GLYCYLALCOHOL USAGE - TRANSPORTATION - STORAGE: As lubricators. Contained within bottles and stored in a cabinet. Trucked to job site. Approximately one gallon per month used. Lab to calibrate thermometers. USING DEPARTMENTS: Power and Electrical Maintenance, Laboratory, Oil and Gas DESCRIPTION AND PROPERTIES: Clear, colorless, yellow syrupy liquid with a sweet taste. Specific gravity 1.265. Boiling Point 290C. EXPLANATION OF HAZARDS: None as used. RECOMMENDED CONTROL: None ARO 039975 GLYPTOL TRADE OR OTHER NAME: INSULATING VARNISH G.E. USAGE - TRANSPORTATION - STORAGE: As insulation. Contained within metal cans and either carried or trucked to job site. Approximately 8 quarts per month used. Sealing vacuum leaks. USING DEPARTMENTS: Electrical and Instrument Maintenance, Chlor-Alkali, Property Maintenance, Power DESCRIPTION AND PROPERTIES: Percent solids - weight average - 50 Solvent system Xylene Flash Point - open cup - I Over 80F Excellent resistance to acid and oil. EXPLANATION OF HAZARDS: COMBUSTIBLE Possible dermatitis and possible danger to respiratory tract. Harmful if taken internally. RECOMMENDED CONTROL: Use with adequate ventilation. Do not take internally. Keep away from heat and open flame. Avoid prolonged contact with skin and breathing of vapors or spray mist. Before smoking or eating, cleanse hands thoroughly. ARD 039976 GRAPHITE TRADE OR OTHER NAME: ML 885 FLAKE, ML 886 POWDERED, NATIONAL CARBON TUBES AND PLATES USAGE - TRANSPORTATION - STORAGE: Material for fluxing tubes and as a constituent of potlining. Coating gasket and bolts. USING DEPARTMENTS: Operations vide. DESCRIPTION AND PROPERTIES: Form of carbon. EXPLANATION OF HAZARDS None RECOMMENDED CONTROL None ARD 039977 HELIUM TRADE OR OTHER NAME? AIRCO CYLINDER USAGE - TRANSPORTATION - STORAGE: As a carrier gas for chromotog. Stored in cylinders. USING DEPARTMENTS: Gas and Oil, Laboratory DESCRIPTION AND PROPERTIES: A non-flammable gas, colorless, odorless, tasteless. Boiling Point = 268.9C Melting Point = 272.2 @ 26 ATM EXPLANATION OF HAZARDS: None RECOMMENDED CONTROL: Should be transported with care due to steel storage cylinders. Store in cool place. ARD 039978 TRADE OR OTHER NAME: HC1, MURIATIC ACID, HYDROGEN CHLORIDE HYDROCHLORIC ACID jUSAGE - TRANSPORTATION - STORAGE: A lab reagent used for brine treating. A cleaner for stone and brick by R&M department. May be present in the atmosphere in ingot as a reaction product from chlorine fluxing. Received in liquid in glass containers. Stored in storeroom. 32 bottles per month used. Received by truck in larger quantities and transfered by Raw Materials to storage at R-52 for ship loading. Received by truck at Chlor-Alkali. . USING DEPARTMENTS: Laboratory and Maintenance, Refining' Raw Material, Chlor-Alkali, Power and Vehicle Repair DESCRIPTION AND PROPERTIES: Hcl Is a solution of hydrogen chloride gas dissolved In water. Liquid Hcl is a colorless, fuming pungent liquid with specific gravity of 1.188 at 60F, soluble in water, alcohol and ether. Common Hcl used in plant is 20 BaumeJ MAC = 5-10 parts per million EXPLANATION OF HAZARDS: Corrosive liquid will produce severe burns on skin. Fumes are irritating to skin and mucous membranes. MAC for fumes set at 5 ppm. RECOMMENDED CONTROL: Caution In handling of liquid. Rubber gloves and eye protection should be used. Adequate ventilation. Flush spillage from skin at once with water. ARD 03997Q HYDROGEN USAGE - TRANSPORTATION - STORAGE: By-product of Chlor-Alkall Plant. Piped to R-110 Powerhouse for fuel. USING DEPARTMENTS: Chlor-Alkali, Refining Power DESCRIPTION AND PROPERTIES: Colorless gas, lighter than air. i EXPLANATION OF HAZARDS: Flamable, explosive in presence of heat. Reacts vigorously with oxidizing materials. RECOMMENDED CONTROL: Adequate ventilation. Absence of heat and open flame. ARD 039980 HYDROGEN FLUORIDE TRADE OR OTHER NAME: HF GAS OSAGE - TRANSPORTATION - STORAGE: No usage. A constituent of pot gas. USING DEPARTMENTS: Potrooms and Electrolyte Plant DESCRIPTION AND PROPERTIES: The liquid is a clear, colorless, fuming corrosive liquid. Boiling point 199C. Specific gravity of 0.988. HF gas is dissolved in water. Product produced to use as a raw material in the Electrolyte Department. EXPLANATION OF HAZARDS: Inhalation of HF gas may result in respiratory tract irritation. The liquid may cause severe burns and lesions which are very difficult to heal. MAC for pu^hydrogen fluoride gas is 3ppm RECOMMENDED CONTROL: Provide adequate ventilation. Provide rubber gloves and eye goggles for use during handling of the liquid. ARD 039981 INHIBITOR TRADE OR OTHER NAME: NEP-22 Pickling Compound - Parkin Chemical Co, Pittsburgh, Pa. USAGE - TRANSPORTATION - STORAGE: Used in Digestion as an agent to protect metal in sulfuric tube cleaning. NEP received in 55 gallon drums. Dakath tank saver. 25 gallons per month used. USING DEPARTMENTS Digestion DESCRIPTION AND PROPERTIES: Acid - Pickling Compound EXPLANATION OF HAZARDS: Skin or eye burns. RECOMMENDED CONTROL: Avoid contact-use rubber gloves - wash off with water. ARD 039982 INKS TRADE OR OTHER NAME! FOXBORO - L&N, RECORDER USAGE - TRANSPORTATION - STORAGE: For recording and identification purposes. USING DEPARTMENTS: Throughout Operations. DESCRIPTION AND PROPERTIES: Fluid composed of pigment or dye plus a liquid medium. Stencil paste - concentrated ink with denatured alcohol. EXPLANATION OF HAZARDS: None RECOMMENDED CONTROL: None ARD 039983 INSECTICIDES TRADE OR OTHER NAME: FLIT, BUG-A-BOO, PERMAX, VAPOSECTOR, HEP AEROSOL BOM, FLY SPRAY, 2-4-D, 6-12 USAGE - TRANSPORTATION - STORAGE: Throughout the plant to kill flies and other insects. Purchased in glass bottles, gallon cans and 55 gallon drums. May be sprayed by hand spray guns or by compressed air guns. USING DEPARTMENTS: Plant wide. DESCRIPTION AND PROPERTIES: Insecticides composed of a light deodorized petroleum oil or mineral spirits plus the killing agent which may be pyrethrum rotenone or DDT (Dichlorodiphenyl-tri-chloroethane) plus a synergest such 'fes sesame oil. EXPLANATION OF HAZARDS; High concentrations of fume irritate the nose and throat and should be avoided. Repeated contact with the liquid may cause skin Irritation. Rotenone is harmful to man. RECOMMENDED CONTROL: Wear respirator suitable for mists when spraying in confined areas. Avoid exposure to the liquid itself. Personal hygiene. AflO 039984 INSULATION TRADE OR OTHER NAME: CALCIUM, CALCIUM SILICATE, THERMOBESTOS, ASBESTOS SHORTS USAGE - TRANSPORTATION - STORAGE Used as sealing solution for pots. Used for hot equipment insulation. USING DEPARTMENTS: Pot Repair, Power, Faint and Insulation, Gas and Oil DESCRIPTION AND PROPERTIES: A material consisting of various silicates such as magnesium, iron, and calcium EXPLANATION OF HAZARDS: Possible silicosis RECOMMENDED CONTROL: Respirator - Good ventilation. \ ARD 039985 KEROSENE TRADE OR OTHER NAME: ML-912 USAGE - TRANSPORTATION - STORAGE: For water-molten aluminum explosion retardation and as a flotation reagent. Lab for oil analysis. Heating,fuel. USING DEPARTMENTS: j Ingot Plant, Potrooms, Laboratory, Property Maintenance and Power DESCRIPTION AND PROPERTIES: Colorless liquid, distilled from petroleum. Explosive limits 1.16-6.07. by volume In air. A flammable liquid and a moderate fire hazard. EXPLANATION OF HAZARDS: Inhalationcor direct contact for prolonged periods of time results in irritation. The liquid may cause burn If left in contact for a long period of time. RECOMMENDED CONTROL: Proper ventilation. Irrigate eyes with water. Wash contaminated areas of body with soap and water. ARD 039986 LEAD TRADE OR OTHER NAME: Pb USAGE - TRANSPORTATION - STORAGE: For patching repair purposes. Stored in sheet form in toolroom and trucked to job site. About SOOTlbs. per year used. USING DEPARTMENTS: R-136 Mechanical and Instrument Maintenance DESCRIPTION AND PROPERTIES: Heavy malleable, ductile, gray, soft metal ofT.low tensile strength. Density 11.35. Melting point 327C. Boiling point - 1.525 to 1.620C. Soluble in dilute nitric acid. Insoluble in water. MAC = 0.15 mg/m3 EXPLANATION OF HAZARDS: Lead poisoning is a serious industrial disease. Dust or fumes from lead is usual method of entering the body. May also be absorbed through the skin. Lead poisoning is usually gradual and chronic. In case of lead dust, inhalation is 100 times greater a hazard than swallowing an equivalent amount. MAC is 1.5 mg lead per cu. meter of air. RECOMMENDED CONTROL: \ Melt only under exhaust hood or in outside air. Provide adequate ventilation whenever lead is being cut, machined or melted. Remove fume or dust at source. \ 0399Q7 I LIME TRADE OR OTHER NAME: Ca(OH)2, CALCIUM HYDRATE, CALCIUM HYDROXIDE, CHEMICAL LIME, CaO USAGE - TRANSPORTATION - STORAGE: For neutralization of scrubber water and gyh - used for Refining Process. Stored in bulk within tanks. Delivered by railroad and conveyed to tanks. Approximately 14,000 tons per month used. Produced from oyster shell at R-60'and stored for Refining use. USING DEPARTMENTS: Smelting Mechanical Maintenance, Potrooms, Calcination, Electrolyte, Clarification, Digestion DESCRIPTION AND PROPERTIES: White powder or slurry. EXPLANATION HAZARDS: Irritating to skin and respiratory tract. RECOMMENDED CONTROL: Gloves and respirator. Personal hygiene. ARD 039988 LINSEED OIL TRADE OR OTHER NAME: BOILED OIL, RAW OIL, FLAXSEED OIL USAGE - TRANSPORTATION - STORAGE: As gasket material on turbine casing joints, paint mix. Stored in cans. Approximately four quarts per month used. USED DEPARTMENTS: Power, Paint and Insulation DESCRIPTION AND PROPERTIES: Unlike the regular linseed oil, the type used here Is a thicker, molasses-type oil. EXPLANATION OF HAZARDS: No hazard as used. RECOMMENDED CONTROL: Personal hygiene. ARD 039989 LITHIUM TRADE OR OTHER NAME: (LlF) Lithium Fluoride or (Li2C03) Lithium Carbonate USAGE - TRANSPORTATION - STORAGE: Used as constituent of electrolyte in pots. Transported by railroad or truck. Stored in bags, fibre drums, storage tank or loose stockpile. USING DEPARTMENTS: Potrooms DESCRIPTION AND PROPERTIES: A colorless opaque, fine crystalline or granular product in powder or pellet form. Sparingly soluble in water - not hygroscopic. EXPLANATION OF HAZARDS: Inhalation of ingestion of lithium.fluoride can cause drowsiness, nausea, diarrhea, thirst, fatigue and muscular incoordination. RECOMMENDED CONTROL: Avoid prolonged contact with the skin. Avoid inhalation or ingestion of material. Use of dust mask and good personal hygiene is mandatory. Adequate ventilation. ARD 039990 LUBRICANTS (ML AND PL) TRADE OR OTHER NAME: SEE LISTINGS AT BACK USAGE - TRANSPORTATION - STORAGE: Used as: mold and saw lubricant, vehicle lubrication, cleaning electrical joints, hydraulic fluid, coating paste buckets, machine lubrication and motor repair. Stored in drums as metal cans. About 500 pounds per month of grease and 70,000 gallons per month liquid lubricant are used. USING DEPARTMENTS: Operation wide. DESCRIPTION AND PROPERTIES: ML - Machine Lubricants PL - Process Lubricants See Section II for details. EXPLANATION OF HAZARDS: Possible dermatitis. In addition, carbon monoxide is a by-product of Incomplete combustion. RECOMMENDED CONTROL: Personal hygiene. Adequate ventilation. When sprayed, use goggles. ARD 039991 r LUBRICANTS (Not listed in Sec. II) TRADE OR OTHER NAME: ML-696 - Texaco - P4D ML-698 - Sun Oil - 7083 ML-678 - Mortrex -605 USAGE - TRANSPORTATION - STORAGE: Used in large quanities as crankcase and upper cylinder lubrication for gas engine in Smelting Power. Received mostly by railroad tank car, some by truck. Stored in tanks between Power Houses. Approximately 150,000 gallons used per month. USING DEPARTMENTS: Power DESCRIPTION AND PROPERTIES: j ML-698 - Sun Oil - Non-additive type ML-696 - Texaco - P-40 - Anti-oxident agent added ML-678 - Mortrex - 605 - Anti-oxident agent added EXPLANATION OF HAZARDS: ' Flash Point - 390F --Possible dermatitis, In addition, carbon monoxide Is a by-product of incomplete combustion. RECOMMENDED CONTROL: Personal hygiene. Keep away from open flame. ARD 039992 MAGNESIUM USAGE - TRANSPORTATION - STORAGE: As an alloying element. Received in brick form. USING DEPARTMENTS: Ingot Plant DESCRIPTION AND PROPERTIES: MAC = 15 mg/m^ A highly flammable mable solid and can cause explosions in the finely divided state. EXPLANATION OF HAZARDS: A dangerous fire hazard. RECOMMENDED CONTROL: Stored in cool, well ventilated place away from areas of acute fire hazards and open flame. ARD 039993 MANGANESE, ELECTROLYTIC USAGE - TRANSPORTATION - STORAGE: As an alloying element. USING DEPARTMENTS: Ingot Plant, Potrooms DESCRIPTION AND PROPERTIES: MAC = 5 m'g/m3 EXPLANATION OF HAZARDS: Chronic exposure of the eyes can cause retinal edema. Poisoning Is rare. RECOMMENDED CONTROL: Proper protective equipment. ARD 039994 W USAGE - TRANSPORTATION - STORAGE: As insulation material. Also see ASBESTOS (Hi-Temp) MARINITE USING DEPARTMENTS: Ingot Plant, Property Maintenance, Smelting Mechanical Maintenance PL- DESCRIPTION AND PROPERTIES: Asbestos, silica and lime. These elements are mixed and bonded together. EXPLANATION OF HAZARDS: Dust can irritate lungs. Can cause asbestosis and possible lung cancer. MAC = 5 fibers longer than 5 micrometers/cubic centimeter of air. RECOMMENDED CONTROL: Wearing of dust mask while sawing or machining material. Use dust collecting equipment for control. Vacuum sweepers for cleanup of floors. Dispose of scrap and dust. \ ARD 039995 r MARINITE USAGE - TRANSPORTATION - STORAGE: As insulation material. Also see ASBESTOS (Hi-Temp) USING DEPARTMENTS: Ingot Plant, Property Maintenance, Smelting Mechanical Maintenance DESCRIPTION AND PROPERTIES: Asbestos, silica and lime. These elements are mixed and bonded together. EXPLANATION OF HAZARDS: Dust can irritate lungs. Can cause asbestosis and possible lung cancer. MAC = 5 fibers longer than 5 micrometers/cubic centimeter of air. RECOMMENDED CONTROL: Wearing of dust mask while sawing or machining material. Use dust collecting equipment for control. Vacuum sweepers for cleanup of floors. Dispose of scrap and dust. AflD 039996 MERCURY TRADE OR OTHER NAME: Hg, QUICKSILVER USAGE - TRANSPORTATION - STORAGE: I Used in metering. Stored in plastic or cast iron jugs. In Potrooms, used in pyrotitration of bath samples. At Chlor-Alkali, large amounts used in reaction cells. Lab for analysis - used in Instruments. USING DEPARTMENTS: Gas and Oil, Power, Potrooms, Chlor-Alkali, Laboratory, Instrument Maintenance DESCRIPTION AND PROPERTIES: Silvery, mobile liquid, soluble in acids, insoluble in water, alcohol and ether. Density to air 6.9. Boiling Point 357C. Freezing Point -40F. Specific gravity 13.59. Mercury metal in liquid form gives off vapors at ordinary temperatures. MAC = 0.1 mg/m^ EXPLANATION OF HAZARDS: Mercury is a poisonous metal and because of the vapors normally given off, a serious hazard exist whenever it is used or handled. Very 6mall amounts of vapor given off at room temperature may cause poisoning. Mercury may also be absorbed through skin membranes on contact and cause poisoning. MAC is 0.1 to 0.25 mg per cubic meter. RECOMMENDED CONTROL: All mercury should be kept in closed containers to prevent the escape of vapors. Local exhaust'systems should be used where necessary. Spilled mercury should be picked up by a siphon pump at once. Rotation of workers is advisable. A mercury detector should be used to warn of dangerous concentrations. Gloves must be worn when handling. ARD 039997 ( TRADE OR OTHER NAME: G.E., WESTINGHOUSE, SYLVANIA USAGE - TRANSPORTATION - STORAGE: For lighting. USING DEPARTMENTS: Operation wide. DESCRIPTION AND PROPERTIES: SEE FLUORESCENT TUBES EXPLANATION OF HAZARDS: SEE FLUORESCENT TUBES RECOMMENDED CONTROL: SEE FLUORESCENT TUBES MERCURY VAPOR LAMPS ARD 039998 MERCURY - X TRADE OR OTHER NAME: CALCIUM SULFIDE COMPOUND (HgX) USAGE - TRANSPORTATION - STORAGE: Used to decontaminate mercury spillage. Comes in cardboard containers from ACTON ASS.- Pittsburgh USING DEPARTMENTS: Chlor-Alkali, Control DESCRIPTION AND PROPERTIES: Sodium Sulfide Compound. White granular similar to detergent EXPLANATION OF HAZARDS: None as used. RECOMMENDED CONTROL: Have good ventilation. Don't use with solvents. ARD 039999 METHANOL I TRADE OR OTHER NAME: METHYL ALCOHOL USAGE - TRANSPORTATION - STORAGE: Utilized for anti-freeze protection. Approximately 400 gallons per month used. Stored in tank in Building 36. Trucked to job site. Lab reagent. USING DEPARTMENTS: Electrical Maintenance, Clarification, Precipitation, Laboratory, Oil and Gas, Refining Power DESCRIPTION AND PROPERTIES: MAC = 200 ppm Explosive limits - 6.0 to 35.6% by volume in air. EXPLANATION OF HAZARDS: A flammable liquid and a dangerous fire hazard. Toxic - Ingestion or absorption causes central nervous system damage, particularly of the optic nerve. Inhalation of excessive amounts will result in acute poisoning within a short time. RECOMMENDED CONTROL: Personal treatment with all haste. Material should be stored in cool, weel-ventilated area. Wear all protective equipment and avoid personal contact. ARD 040000 METHYL CHLORIDE OSAGE - TRANSPORTATION - STORAGE: Used as a paint additive. Stored in cans under refrigeration in R-136A. Approximately 15 gallons per year Is used. USING DEPARTMENTS: Paint and Insulation DESCRIPTION AND PROPERTIES: Colorless gas with etheral odor. 1.7 times heavier than air with explosive limits of 8-17% concentration by volume in air. Noncorrosive to common metals. Bolling Point - 24 C. MAC = 100 ppm EXPLANATION OF HAZARDS: Acts as an anesthetic and a narcotic without warning of its presence in concentrations harmful to life. MAC is 100 ppm. Decomposes on contact with flame or hot surface and forms foxic fumes of hydrogen chloride and phosgene. RECOMMENDED CONTROL: Proper maintenance and frequent inspection of equipment to prevent leaks. ARD 040001 TRADE OR OTHER NAME: SHELL OIL METHYL ETHYL KETONE (BUTANONE) USAGE - TRANSPORTATION - STORAGE: Solvent, Patching fiberglass USING DEPARTMENTS: Ingot Plant, Chlor-Alkali, Paint and Insulation, Mechanical Maintenance DESCRIPTION AND PROPERTIES: MAC = 200 parts per million Explosive limits = 1.81 - 11.5% by volume to air Its vapors form; flammable mixtures with air at all temperatures down to 24^F. Fire Hazard. EXPLANATION OF HAZARDS: Can cause irritation of eyes and respiratory tract. Headache, dizziness, nausea and dermatitis. Fire Hazard RECOMMENDED CONTROL: Adequate ventilation. Wear goggles. Store in cool, well-ventilated area away from fire. ARD 040002 METHYL ETHYL KETONE PEROXIDE TRADE OR OTHER NAME: LUPPERSOL DDM, du VERRE CATALYST, MEK PEROXIDE, COPON - 106 ACTIVATOR IjFSAGE - TRANSPORTATION - STORAGE: Used in the Maintenance Department for fusing plastic-pipeline together in the Chlor-Alkali Department. Lab. reagent. USING DEPARTMENTS Refining Mechanical Maintenance, Paint and Insulation, Laboratory DESCRIPTION AND PROPERTIES: Clear, flammable, oxidizing material. 60% MEK Peroxide in Dimethyl Phthacate product has limited shelf life. Has to be refrigerated abdye 77F (25C). EXPLANATION OF HAZARDS: FLAMMABLE MIXTURE Flammable, oxidizing material. Heat shock or contact with other materials may cause fire or explosive decomposition. Do not add hot materials; do not grind or subject to friction heat. RECOMMENDED CONTROL: Use ventilated cap. Store upright. Protect from direct contact with sunlight. Keep away from heat, sparks and open flame. Prevent contamination with readily oxidizable materials and polymerization acceleration. Avoid contact with skin, eyes and clothes. ARD 040003 ! METHYL ISOBUTYL CARBINOL ^J TRADE OR OTHER NAME: ySHELL OIL 55 GALLON DRUM Me/hy/ Am// A /coho / / me.My/Z USAGE - TRANSPORTATION - STORAGE: Flotation Plant reagent. USING DEPARTMENTS: Joms"" F-lo/crf/CTV7 ^ U /'// Vy / DESCRIPTION AND PROPERTIES: A flammable liquid and a moderate fire hazard. Boiling Point = 131.4C Flash Point = J60tfF (O Colorless Liquid dtnst'/y 0, 2&1 ? -1*/u>*C- -cr 2-S ~>0*C- EXPLANATION OF HAZARDS: L 1. - /* Q ^ Dy-C. - sr.g'Vo Moderate fire hazard. l/tf l\isv\ t-\ySQi--r/ hZ-ti/" 0 (L/a\ OX id'iZ)/ M-A/S)6i/ . RECOMMENDED CONTROL: Store in cool, ventilated place away from areas of acute fire hazard. '[otitoLo&J ; .4 S7/?ocSCn /Z&T&OT t-f'Cjrrt /}aJ e?lst7hen/*r /j p. j/0 j ay i-L OAMJj(h-~ryi<} (J/yV*yJ ARD 040004 i 1 MICA TRADE OR OTHER NAME: MYLAR SHEETS 36 x 36 SHEET USAGE - TRANSPORTATION - STORAGE: By-product of repair work on armatures. Sight glass insulation. USING DEPARTMENTS: Electrical Maintenance, Power DESCRIPTION AND PROPERTIES: A class of silicate with varying compositions of silicate of aluminum and alkali, either potassium or sodium. Specific gravity 2.78 - 3.0 MAC = 20 million particles/ft^ EXPLANATION OF HAZARDS: Hazard to inhale and may cause skin irritation. RECOMMENDED CONTROL: Personal hygiene. ARD 040005 fV; * TRADE OR OTHER NAME: -- -INSULATING BOARD AND RAIL MICARTA USAGE - TRANSPORTATION - STORAGE: For electrical insulation. Stored in open and trucked to Job site. USING DEPARTMENTS: Potrooms. Power and Electrical and Instrument Maintenance, Ingot DESCRIPTION AND PROPERTIES: Consist of a fabric or paper material laminated with a phenolic resin. EXPLANATION OF HAZARDS: None i RECOMMENDED CONTROL: None ARD 040006 MORTAR TRADE OR OTHER NAME: BRIXMENT USAGE - TRANSPORTATION:- STORAGE: To bond bricks in furnace lining. USING DEPARTMENTS: Ingot DESCRIPTION AND PROPERTIES: A finely ground mixture of lime, cement or other like materials to which sand is added to form motars. EXPLANATION OF HAZARDS: No hazards as ordinarily used. Lime may cause skin irritations leading to dermatitis, and inhalation of dust, especially those containing lime, may cause respiratory tract irritations. RECOMMENDED CONTROL: Personal hygiene is the best control. The use of respirators is recommended during prolonged exposure to dry dust. ARD 040007 KOTOR VEHICLE GASES USAGE -;TRANSPORTATION - STORAGE: Throughout the plant wherever gasoline engines are operating. USING DEPARTMENTS: Plant wide. DESCRIPTION AND PROPERTIES: Contain carbon monoxide together with combustion products of tetraethyl lead, a gasoline additive. One reference states that carbon-monoxide comprises 6-7Z by volume of motor vehicle gases. EXPLANATION OF HAZARDS: SEE CARBON MONOXIDE RECOMMENDED CONTROL: Provide adequate ventilation wherever gasoline engines are operating. Remove exhaust fumes to open area by means of forced suction. Do Not run gasoline engines inside buildings unless absolutely necessary. ARD 040008 MULTILITH PRINTING MATERIALS TRADE OR OTHER NAME: - 'SjT ' ' MOLTILITY REPELEX, DUPLIMAT.PLATEX, PRESERVATIVE SOLUTION, DEEP EZE,7' DEOXIT USAGE - TRANSPORTATION - STORAGE: Used in multilith printing equipment in Building 1. USING DEPARTMENTS: Printing DESCRIPTION AND PROPERTIES: The actual composition of some of these materials is not available; however, the manufactuer states that they do not present health hazards in normal use. EXPLANATION OF HAZARDS: Possible dermatitis due to allergies. RECOMMENDED CONTROL: Personal hygiene. ARD 040009 NALCO WATER TREATMENT PRODUCTS TRADE OR OTHER NAME: " NALCO NO. 45 BALLS, NALCO NO. 2 LIQUID, NALCO NO. 728, NALCO NO. 748 BALLS, SEE CLASS 270 IN STORES CATALOG NALCO NO. 19, NALCO NO. 751, NALCO NO. 754, NALCO NO. 763 USAGE - TRANSPORTATION - STORAGE: Scrubber, boiler, and cooling water treatment, anti-foam in Precipitation. Stored in fibre containers-drums-buckets-or paper sacks. 20,000 pounds per month used. USING DEPARTMENTS: Potrooms, Gas and Oil, Power, Ingot Plant, Calcination, Precipitation, Chlor-Alkali, Laboratory DESCRIPTION AND PROPERTIES: Unknown chemical composition; however, some Nalco liquids contain sodium aluminate. j EXPLANATION OF HAZARDS: Not a serious hazard but personal contact should be avoided due to dermatitis. RECOMMENDED CONTROL: Personal hygiene. ARD 040010 NAPHTHA TRADE OR OTHER NAME: ''-^BENZENE, SOLVENT NAPHTHA, HEAVY NAPHTHA, LIGTT NAPHTHA // /v USAGE - TRANSPORTATION - STORAGE: A solvent and degreaser for small parts in some departments. A carrier for graphite in the treatment of molds. Received in onegallon or five-gallon cans. USING DEPARTMENT: Plant wide DESCRIPTION AND PROPERTIES: A mixture of small quantities of benzene and toluene with xylene and higher homologs from coal tar. MAC = 100 ppm EXPLANATION OF HAZARDS: Inhalation of the fumes causes headache, nausea, etc. If liquid is used hot, the hazards are Increased. Naphtha will dissolve natural fats of the skin causing the membranes to crack and scale, opening the way to dermatitis. MAC is set at 100 ppm. RECOMMENDED CONTROL: Adequate ventilation. Substitution of less volatile liquid. Rotation of workers if used daily. Provide rubber gloves and eye protection. ARD 040011 NICKEL TRADE OR OTHER NAME: Ni USAGE - TRANSPORTATION - STORAGE: Used as alloying material in Potrooms and Ingot Plant. USING DEPARTMENTS: Potrooms and Ingot Plant DESCRIPTION AND PROPERTIES: Very hard silvery metal that takes a high polish. MAC *= 0.4 mg/m^ EXPLANATION OF HAZARDS: None as used - possible dermatitis RECOMMENDED CONTROL: None as used - personal hygiene ARD 040012 NITRIC ACID TRADE OR OTHER NAME} hno3, AQUA FORTIS USAGE - TRANSPORTATION - STORAGE: As a mold cleaner. Lab reagent . USING DEPARTMENTS: Ingot Plant, Laboratory DESCRITPION AND PROPERTIES: A colorless or yellowish, fuming, suffocating, corrosive liquid. Specific gravity 1.530. Melting Point - 41.3C. Boiling Point - 86C. Soluble in water and alcohol. EXPLANATION OF HAZARDS: Corrosive liquid will produce sever burns on skin. Fumes are irritating and toxic. Oxides of nitrogen formed during reaction if nitric acid are dangerous because they give off little or no warning as to their presence. Oxides enter the body and form nitrous or nitric acid through chemical combustion. MAC is set 2 ppm. RECOMMENDED CONTROL: 1 Caution in handling of liquid. Provide rubber gloves and eye pro tection. .Provide exhaust ventilation on dip tanks. Provide adequate instructions on proper procedures of mixing solutions. ARD 040013 trade or other name* n2, airco in cylinder 'Ms#-*" NITROGEN USAGE - TRANSPORTATION - STORAGE t Fluxing agent and in air conditioning and refrigeration systems. Lab reagent. Testing and drying of instruments. USING DEPARTMENTS . ' 'k Ingot Plant, Electrical and Instrument Maintenance, Laboratory DESCRIPTION AND PROPERTIES: Colorless, odorless, tasteless gas. Makes up 80% of the atmosphere. Slightly soluble in alcohol and it i6 soluble in water. EXPLANATION OF HAZARDS: Gas itself is harmless; however, when suddenly released under pressure, it may cause freezing on contact with skin. RECOMMENDED CONTROL: Proper equipment for handling and release of gas. ARD 040014 NO - OX - ID USAGE - TRANSPORATION - STORAGE: Used on bus joints. Cables for rust preventive. USING DEPARTMENTS: Potrooms, Refining Raw Material, Power, Electrical and Instrument Maintenance DESCRIPTION AND PROPERTIES: A solid wax-like grease compound, high in paraffin waxes. EXPLANATION OF HAZARDS: Possible dermatitis. RECOMMENDED CONTROL: Personal hygiene. ARD 040015 OAKITE TRADE OR OTHER NAME: AIDOX USAGE - TRANSPORTATION - STORAGE: For steam cleaning machine parts. About 220 gallons per month used. USING DEPARTMENTS: Machine Shop, Power, Property Maintenance, Vehicle Repair, Gas & Oil DESCRIPTION AND PROPERTIES: This is a trade name for several kinds of cleaners. Both acid and alkaline cleaners are sold as Oakite compounds. All should be treated as hazardous. EXPLANATION OF HAZARDS: The chromium compound Cr03 is toxic. Contact with this product or its solutions with skin membranes may(cause irritation. Refer to data on Chromic Anxydride. RECOMMENDED CONTROL: Personal hygiene. Prevent splashing and contact. Refer to data on . Chromic Anhydride. ARD 040016 OLEUM TRADE OR OTHER NAME; SULFURIC ACID vay;.s ],*-At-' V-' `,ESfc.'J"j5!sV" ^v USAGE - TRANSPORTATION - STORAGE: As a raw material for the Aluminum Fluoride Plant, chlorine drying. Received in barges, piped into storage tanks prior to use. USING DEPARTMENTS: Aluminum Fluoride, Refining Raw Material, Chlor-Alkali DESCRIPTION AND PROPERTIES: SEE SULFURIC ACID EXPLANATION OF HAZARDS: Contact with skin membranes causes severe burns. When mixed with water, heat is generated and spattering occurs. Reacts with various metals to liberate hydrogen gas. This gas combining with oxygen in air may produce an explosion. RECOMMENDED CONTROL: Care in handling liquid. Provide rubber gloves and eye protection. When exposed, wash off skin membranes with water at once. When mixing, always add the acid to water ARD 040017 OXIDES OF NITROGEN N02, NO, N2O, N2O4 USAGE - TRANSPORTATION - STORAGE Gaseous reaction product given off from nitric acid solutions at caustic dip locations, under current conditions. USING DEPARTMENTS Wherever nitrogen is used. DESCRIPTION AND PROPERTIES Nitrogen dioxide and nitrogen tetroxide are usually in equilibrium and are encountered as a yellowish to reddish-brown gas. Of the oxides listed, these two are the dangerous ones in industrial locations. N02 is a dark chocolate-brown gas while its polymer N2O4 is colorless. This mixture reacts with water to form nitrous acid and nitric acid. EXPLANATION OF HAZARDS: Fumes of nitrogen oxides are dangerous because of insidious character; l.e., they give little or not warning as to their presence and fail to set up defense respiratory reflexes. Oxides enter the body and form nitrous or nitric acid through chemical combination. MAC is set at 5 ppm. RECOMMENDED CONTROL Provide adequate ventilation at point of origin. ARD 040018 OXYGEN (CYLINDERS AND BULK) TRADE OR OTHER NAME .I U.C.C. OR AIRCO, IN CYLINDER`AND TANKS USAGE - TRANSPORTATION - STORAGE: Used in cutting, burning, and heating operations as well as for safety inhalation in the chlorine areas. About 10,000 cu. ft. in bulk form is used per month and approximately 300 cylinders per month used. Transported in portable carts or trucked or racks. Lab reagent. USING DEPARTMENT: Machine Shop, Smelting Mechanical Maintenance, Electrical and Instrument Maintenance, R-136 Mechanical Maintenance, Gas and Oil, Ingot Plant, Chlor-Alkali, Power, Digestion, Laboratory, Pot Repair, Vehicle Repair, Potroom DESCRIPTION AND PROPERTIES: Colorless, odorless gas compressed in steel cylinders. Atmosphere contains about 21% oxygen. EXPLANATION OF HAZARDS: Necessary for Life. Cylinders under pressure - accelerates combustion. RECOMMENDED CONTROL: Keep secured valve cap on when not in use. Keep gauges free of oil. (O.S.H.A.) Oxygen cylinders in storage to be separated from fuel-gas cylinders or combustible material (especially oil or grease), a minimum of 20 feet or 5 feet high fire resistant barrier. ARD 040019 PAINT AND ENAMELS TRADE OR OTHER NAME: SEE CLASS 080 IN CATALOG USAGE - TRANSPORTATION - STORAGE: For identification and surface protection purposes. Stored in metal cans. Approximately 300 gallons per month used. It is trucked to Job site. aggr?.*-- USING DEPARTMENTS: Potrooms, Gas and Oil, Power, Electrical Maintenance, Ingot Plant, Paint and Insulation, Vehicle Repair DESCRIPTION AND PROPERTIES: Essentially finely divided metallic compound with drying oils, thinner, driers, and resins. Paint pigments most widely used contains: Titanium, Barium, Zinc, Leade and sometimes Arsenic Flash Point = 0-80' F (Closed cup) EXPLANATION OF HAZARDS: Vapors may cause eye, nose, or throat Irritation. Pigments may sometimes be poisonous and care should be used in avoiding skin contact. RECOMMENDED CONTROL: Adequate ventilation and personal hygiene. ARO 040020 PAINT PIGMENTS USAGE - TRANSPORTATION - STORAGE: ' .r; ' ' \;v ' ; Used by painters throughout the plant. Received and handled In metal containers. [USING DEPARTMENTS Paint and Insulation DESCRIPTION AND PROPERTIES: Vary greatly. Used in relatively small quantities. Some, particularly lead, arsenic and zinc compounds may be poisonous. EXPLANATION OF HAZARDS: Lead, arsenic and zinc compounds in particular may be toxic. RECOMMENDED CONTROL: Use care in handling, avoid contact with skin. Personal hygiene. I ARD 040021 PAINT REMOVERS TRADE OR OTHER NAME: -- '' KUHNS NO. 731, SEMI-PARTE COPON NO. . 1182 USAGE - TRANSPORTATION - STORAGE: Used at several locations for the removal of paints. Received and handled In metal cans. USING DEPARTMENTS: Paint and Insulation DESCRIPTION AND PROPERTIES: A liquid, usually containing large percentages of benzol (over 15%). Flash Point = 0-80F (Closed Cup) EXPLANATION OF HAZARDS: Fumes are dangerous and explosive in confined areas. Also a possibility of a person developing skin irritation if in contact with liquid for extended periods. Dangerous fire hazard. RECOMMENDED CONTROL: Personal cleanliness and provide adequate ventilation. Store In cool, well-ventilated place. ARD 040022 PAINT THINNER TRADE OR OTHER NAME: -- SEE CLASS 080-750 IN CATALOG USAGE - TRANSPORTATION - STORAGE: For thinning paint and varnish. Also used in the cleaning of brushes. Stored in drums or cans and transported by truck. Approximately 220 gallons per month used. USING DEPARTMENT: Power, Electrical Maintenance, Paint and Insulation, Potrooms, Vehicle Repair DESCRIPTION AND PROPERTIES: Thinners or some turpentine substitute; such as petroleum naphtha. EXPLANATION OF HAZARDS: Are volatile and the vapors usually toxic. Any of these materials should not be allowed to come in contact with the skin for prolonged periods and inhallation of the vapors should be avoided. RECOMMENDED CONTROL: Adequate ventilation and personal hygiene. ARD 040023 PARADICHLOR BENZENE USAGE - TRANSPORTATION - STORAGE: -: " 1 .-A" Part of the janitorial supplies. ` USING DEPARTMENTS: Plant vide. DESCRIPTION AND PROPERTIES: Moth crystals MAC - 25 parts per million suggested Explosive limits = .88 to 5.9Z by volume in air EXPLANATION OF HAZARDS: Dust or vapor is flammable and a moderate fire hazard. Avoid personal contact. RECOMMENDED CONTROL: Avoid high fume concentrations. Personal hygiene. ARD 040024 PLAIN CLEANER TRADE OR OTHER NAME: COLD WATER CLEANER - PC 5 - SORBENT USAGE - TRANSPORTATION - STORAGE: Used to clean oil from floors - 55 gallon, drums. 110 gallons used per month. USING DEPARTMENTS Vehicle Repair, Chlor-Alkali, Gas Plant, Power, Potroom DESCRIPTION AND PROPERTIES: Concentrated cold water cleaner from White Chemical Co., Houston, suitable for dishwashing. EXPLANATIONS OF HAZARDS: None RECOMMENDED CONTROL: None ARD 040025 PERCHLORIC ACID TRADE OR OTHER NAME: HCIO4 USAGE - TRANSPORTATION - STORAGE: A laboratory reagent. Received in Storeroom In seven pound glass bottles In a 10-bottle.wooden case. Stored In special explosion type building outside lab building. 6 cases per month used. USING DEPARTMENTS: Laboratory DESCRIPTION AND PROPERTIES: 70-72% grade as ordered in a stable compound. Clear, colorless liquid, specific gravity 1.76, soluble in water, freezing point below -45F. Very strong oxidizing agent at elevated temperatures. EXPLANATION OF HAZARDS: Contact with organic material or dehydrating agents will convert to the anhydrous acid, which is violently explosive. In contact with combustible or easily oxidizable chemicals at elevated temperatures, it can start fires and cause explosions. Solutions are"irritating and corrosive to mucous membranes and skin. RECOMMENDED CONTROL: Used as a reagent only with full knowledge of reaction products. Keep away from all organic material. In case of spillage, flush immediately with water. If acid penetrates into wood or other organic material, scrap and dispose of the charred product by burying. ARD 040026 PERCLOROETHYLENE TRADE OR OTHER -NAME: I. K * - . :` : CHLOROTHANE - NY USAGE - TRANSPORTATION - STORAGE: For cleaning of electrical equipment. Stored in barrels and transported by fork truck. About six barrels per month used. USING DEPARTMENTS: Power, Property and Instrument and Electrical Maintenance DESCRIPTION AND PROPERTIES: MAC = 200 parts per million Non-flammable but it is a volitale solvent. Boiling Point = 121.20C Melting Point = 22.35C Colorless liquid EXPLANATION OF HAZARDS: Not corrosive or dangerously reactive, but toxic by inhalation, by prolonged or repeated contact with the skin or mucous membrane, or when ingested by mouth. Liquid can cause eye injury. RECOMMENDED CONTROL: Respiratory equipment needed. Personal hygiene Adequate ventilation. ARD 040027 USAGE - TRANSPORTATION - STORAGE: Pyrotitration of bath samples PHENOLPHTHALEIN - INDICATOR SOLUTION a*? USING DEPARTMENTS: Potrooms, Laboratory, Power, Gas and Oil DESCRIPTION AND PROPERTIES: Indicator consist of an organic coal tar dye used in concentrations of approximately 0.5X in either ethyl or methyl alcohol. EXPLANATION OF HAZARDS: ( None RECOMMENDED CONTROL: None l ARD 040028 1 PHOSPHORIC ACID USAGE - TRANSPORTATION - STORAGE: 4' * Anti-corrosion agent. Lab'reagent.' USING DEPARTMENTS: Paint and Insulation, Laboratory ^ DESCRIPTION AND PROPERTIES: A strong acid which is colorless, yellow deliquescent crystals. A very powerful dehydrating agent. Very corrosive. EXPLANATION OF HAZARDS: Material by itself is non-flammable and non-corrosive. When in contact with water. It iforms phosphoric acid which is toxic and corrosive. The liquid is toxic and very dangerous to the eyes. RECOMMENDED CONTROL: Avoid contact with skin. Wear chemical goggles and recommended safety equipment. Rubber gloves. Should be stored in cool, ventilated area that is not protected from fire by overhead sprinkling systems. ARD 040029 PHOTOGRAPHIC DEVELOPERS TRADE OR OTHER NAME: DK-50, DK-72, DK-4, EASTMAN PHOTOSTAT DEVELOPER, KODAK VARIFAX ^^ ACTIVATOR, KODALITH, SUPERV IX X-RAY DEVELOPER USAGE - TRANSPORTATION - STORAGE Received in metal cans or paper containers. Used as H2O solutions for developing X-ray films and photographic film. USING DEPARTMENTS: Blueprint Room, First Aid DESCRIPTION AND PROPERTIES: Usually elon-hydroquinone type. EXPLANATION OF HAZARDS: Contact with skin may cause irritation. Possible dermatitis. RECOMMENDED CONTROL: Avoid contact with concentrated solutions. Personal hygiene. ARD 040030 PIPE JOINT COMPOUNDS TRADE OR OTHER NAME: -:^^>;-WQ"S^L'-JOIOT';C^(XIin)js,5'l^ GLYPTAL, litharge and glycerine, fel-tro, WHEZ ANTI SEIZE, COPALIITE, TITE-SEAL USAGE - TRANSPORTATION - STORAGE: Applied to pipe joints for sealing purposes. Stored in cans or tubes and is either carried or trucked. About 40 pints per month used. USED DEPARTMENTS: Operations vide DESCRIPTION AND PROPERTIES: Quick seal-like corapunds consist of clay and a liquid such as linseed or mineral oil composition. White lead may also be used. EXPLANATION OF HAZARDS: None as used. RECOMMENDED CONTROL: Personal hygiene. ARD 040031 PITCH TRADE OR OTHER NAME: LOW SOFTENING POINT, HIGH SOFTENING POINT," TAR USAGE - TRANSPORTATION - STORAGE: A constituent of raw anode and potlining material. Stored in tanks and kept at high temperatures. USING DEPARTMENTS: Potrooms, Pot Repair l ft) DESCRIPTION AND PROPERTIES: A black solid, semi-solid or viscous material with a "tar odor" characteristic. Contains phenolic compounds, toluene, benzene, etc. EXPLANATION OF HAZARDS: Phenolic compounds may cause burns through contact with skin and eyes. This is aggravated by exposure to sunlight. Volatiles from pitches burn readily. Dusts are explosive in certain concentrations. ( RECOMMENDED CONTROL: Provide adequate ventilation when fumes are produced. Avoid skin contact. Use mechanical handling equipment. ARO 040032 PLATINUM USAGE - TRANSPORTATION - STORAGE: For the pyrotitration of bath sample - used in wire form. Lab uses in crucible and dish form - used for thermocouplings. USING DEPARTMENTS: Potrooms, Laboratory, Instrument Maintenance DESCRIPTION AND PROPERTIES: Small wire with a silvery finish. EXPLANATION OF HAZARDS: None as used. RECOMMENDED CONTROLS: None ARD 040033 POLISHES TRADE OR OTHER NAME.: WESTCHEM TREDCATE, FULLER SHINEALL j USAGE - TRANSPORTATION - STORAGE: Utilized by custodians on floors and other surfaces. Contained in cans and bottles and applied in small amounts. USING DEPARTMENTS: Operations wide. j j DESCRIPTION At PROPERTIES: May be in solid, liquid or paste form and contain various waxes, such as carnauba or paraffin plus solvents such as kerosene, turpentine, H2O, or ammonium hydroxide. EXPLANATION OF HAZARDS: Flammable liquids and dangerous fire RECOMMENDED CONTROL: Store in cool, well-ventilated place away from acute fire hazards, open flames and powerful oxidizing materials. ARD 040034 POTLINING MIX USAGE - TRANSPORTATION - STORAGE: Combination of pitch and coal. Produced at Paste Plant and transported to Pot Repair by buggy. Is placed into pot shell and worked while in semi-solid form at high temperatures. USING UEPARTMENTS: Potrooms, Pot Repair DESCRIPTION AND PROPERTIES: A semi-plastic mix containing coke, anthracite and both H & L softening pitch. EXPLANATION OF HAZARDS: Fumes containing phenol compounds are given off by hot mix* -/During baking of linings, carbon monoxide as well as phenol are evolved. /. RECOMMENDED CONTROL: Provide adequate ventilation during handling. Natural ventilation normally adequate. ARD 040035 PROPANE USAGE - TRANSPORTATION - STORAGE! Used in the soldering process to remove glass windows. Contained in bottles of which one per month is used. Bottles stored on shelves and transported by hand. USING DEPARTMENTS: Smelting Mechanicdl Maintenance, Electrical and Instrument Maintenance, Property Maintenance. DESCRIPTION AND PROPERTIES: Heavy gaseous hydrocarbon. Explosive Limits = 2.4 to 9.5% by volume in air. MAC = 1000 ppm EXPLANATION OF HAZARDS: Can cause irritation of eyes and respiratory tract, dizziness, muscular weakness. Skin bums can result from contact with liquid propane. RECOMMENDED CONTROL: Adequate ventilation and use of chemical goggles. ARD 040036 RADIOACTIVITY MATERIALS USAGE - TRANSPORTATION - STORAGE: Instrtiments in Refining for measuring density. Instruments in Gas and Oil for measuring tube wall thickness. USING DEPARTMENTS: Gas and Oil, Precipitation, Clarification, Instrument Maintenance DESCRIPTION AND PROPERTIES: Emitting radiation from atomic nucleus as radium, etc. EXPLANATION OF HAZARDS: Radiation. RECOMMENDED CONTROL: These items are identified with the radiation symbols and signs of yellow color. Unauthorized personnel stay out of contact with these items. ARD 040037 Reagents TRADE OR OTHER NAME: Other reagents used in Laboratory analysis not listed in this manual are too numerous to list but are used in the Laboratory by trained personnel only. USING DEPARTMENTS: Laboratory EXPLANATION OF HAZARDS: Hazards are indicated on containers. RECOMMENDED CONTROL: ii Follow recommendations on containers. ARD 040038 RECLAIMED ALUMINA INSULATION TRADE OR OTHER NAME: RAI, CAKED ALUMINA INSULATION USAGE - TRANSPORTATION - STORAGE: Reclaimed from pots with Jackhammers or by breaking with paving breaker, and readded to reduction pots to produce bath after it has been processed. USING DEPARTMENTS: Electrolyte, Pot Repair DESCRIPTION AND PROPERTIES: Alumina, impregnated with fluoride constituents of bath, carbon and other impurities such as iron, silicon, and sodium carbonate. Alkaline in nature. Absorbs moisture readily. Gray to black in color. EXPLANATION OF HAZARDS: Ammonia, carbides and nitrides given off when in contact with moisture. May accumulate in confined areas and become a hazard. Because of alkaline nature, material will burn skin membranes. Any dust will irritate eyes and cause inflammation in the respiratory system. Fluorides will cause illness if sufficient material is ingested. RECOMMENDED CONTROL: Removed dust from source. Handle solid carefully. Prevent moisture from coming in contact with material. Prevent exposure of food to dust. Personal hygiene. ARD 040039 RECOVERED CRYOLITE TRADE OR OTHER NAME* SODERBURG POT SKIMMINGS, CRYOLITE USAGE - TRANSPORTATION - STORAGE: A material used as a pot addition in lieu of cryolite in Potrooms. Handled by R&M miscellaneous and Utility and Electrolyte. Handled in railcars, conveyed to storage, weighed as additions in paper bags, bags to pots. Loaded ship to barge. USING DEPARTMENTS: Electrolyte, Potrooms, Refining Raw Materials DESCRIPTION AND PROPERTIES: Fine granulated particles, chemically inert. Insoluble in water. Typical analyses 59% cryolite, 20% free alumina, 8% free carbon, 7% calcium fluoride and 6% oxides of iron, silicon and sodium. EXPLANATION OF HAZARDS: SEE CRYOLITE. RECOMMENDED CONTROL: SEE CRYOLITE. ARD 040040 RESIN TRADE OR OTHER NAME: 'A1 V - POLYESTER, HETRON. 72.77, ATLAC NO. 283, STYRENE MONOVER COFON ,105 USAGE - TRANSPORTATION - STORAGE: Used for fusing plastic pipeline together. USING DEPARTMENTS: Paint and Insulation, Maintenance DESCRIPTION AND PROPERTIES: Ester formed by polymerization or condensation used especially in making fiber or plastic. EXPLANATION HAZARDS: Irritating to eyes and respiratory tract. RECOMMMENDED CONTROL: Provide good ventilation. Personal hygiene - Eye Protection. ARD 040041 TRADE OR OTHER NAME: -. . . Si02r QUARTZ, SILICA, GRAVEL SAND USAGE - TRANSPORTATION - STORAGE: Used as grouting base. Contained in sacks and transported by truck. About 10 pounds per month used. USING DEPARTMENTS: Power, Paint & Insulation DESCRIPTION AND PROPERTIES: Hard crystalline substance brown or white in color. Dusts readily when dry. Foundry sand contains up to 40% minus mesh natural. EXPLANATION OF HAZARDS: Continued Inhalation of fine particles (0.5-5.0 microns) may cause silicoses, a fibrosus of the lung tissue. -Sandblasting particularly hazardous due to breaking down of particle sized. RECOMMENDED CONTROL: Provide adequate ventilation. Avoid handling dry when possible. Sandblast in enclosure wearing protective equipment. ARD 040042 SEWER GASES USAGE - TRANSPORTATION - STORAGE: Airborne mixture of gases arising from decomposition of sanitary wastes. USING DEPARTMENTS: Plant wide. DESCRIPTION AND PROPERTIES: Most common components of sewer gas are methane, hydrogen sulfide, carbon monoxide, carbon dioxide, illuminants, gasoline vapors, nitrogen, hydrogen, and oxygen. In Smelting arease, fluoride fumes may be present. Sewer gases have an unpleasant odor. Explosive Limits - from a lower range of 5.3 to 8.3% to an upper range of 16-19.3% by volume in air. EXPLANATION OF HAZARDS: In confined areas as in manholes, underground passageways, etc., a hazardous concentration Is a possibility since oxygen is deficient and the gases themselves are toxic. RECOMMENDED CONTROL: Provide adequate ventilation. (Compressed air or manhole covers may be used depending upon the conditions.) There should be a second man present to protect an employee working in an enclosed area. ARO 040043 SHELLAC AND VARNISH TRADE OR OTHER NAME: SEE CLASS 080 IN CATALOG USAGE - TRANSPORTATION - STORAGE: Used by Paint Department as a protective coating. Received and handled in cans. USING DEPARTMENTS: Paint and Insulation DESCRIPTION AND PROPERTIES: A resinous substance produced by insects and then refined, cut and thinned with alcohol. The alcohol or other solvent evaporates when the shellac is used as a protective coating, leaving a hard, shiny surface. EXPLANATION OF HAZARDS: The alcohol or solvent fumes may be poisonous when used in closed, unventilated areas. Fire hazard. RECOMMENDED CONTROL: Adequate ventilation. Store in cool, well-ventilated area. ARD 040044 SILICON TRADE OR OTHER NAME: G.E. FLUID SF-97 USAGE - TRANSPORTATION - STORAGE: Used as an alloying element. USING DEPARTMENTS: Ingot Plant DESCRIPTION AND PROPERTIES: Hard, lustrous, crystalline solid of 6 inch lumps and smaller. Specific gravity 2.0-2.49. Melting Point 1420C. Soluble in hydrofluoric acid and alkaline. Principle impurity is Ca. EXPLANATION OF HAZARDS: Silicon tetrafluoride is given off from pots. RECOMMENDED CONTROL: None ARD 040045 SILICON TETRAFLUORIDE TRADE OR OTHER NAME: SILICON FUJORIDE USAGE - TRANSPORTATION - STORAGE: Volatilized product of electrolytic reduction process in Potrooms and Aluminum Fluoride. USltfG DEPARTMENTS: Potrooms, Electrolyte j DESCRIPTION AND PROPERTIES: Heavy, colorless gas with suffocating odor and having a density of 3.6 referred to air as 1. Fumes strongly in air and is absorbed readily in large quantities by water with partial decomposition. EXPLANATION OF HAZARDS: j Hydrofluoric acid and silica fluoric acid are reaction products. Silicon tetrafluoride given off only in minor quantities relative to hydrogen fluoride. Hazard dependent on total quantities of fluoride as a gas rather than silicon tetrafluoride itself. RECOMMENDED CONTROL: Collect and remove gas at source. ARD 040046 SKAMOL - 4 USAGE - TRANSPORTATION - STORAGE: Being used to replace hi-temp asbestos. Used for manifold gasket, insulation in metal transfer, welding protection and chalking. USING DEPARTMENTS: Potrooms, Pot Repair, Ingot, Power, Property Maintenance, Electrolyte, Smelting Maintenance DESCRIPTION AND PROPERTIES: DIatomite, frequently designated diatomaceous earth, diatamaceous silica. EXPLANATION OF HAZARDS: Possible demonstrable lung change after long exposure. RECOMMENDED CONTROL: Good ventilation - respirators - dust control. ARD 040047 SLATE USAGE - TRANSPORTATION - STORAGE: . Used In field paneling and for theostat material. Is stored in pieces and transported by truck. USING DEPARTMENTS: Power DESCRIPTION AND PROPERTIES: A finely grained sedimentary rock. EXPLANATION OF HAZARDS: None RECOMMENDED CONTROL: None ARD 040048 SOAPS AND CLEANSERS TRADE OR OTHER NAME: SODA ASH, PCB-100, SBS-30, SBA-49, BAB-0 SEE CLASS 220 IN CATALOG USAGE - TRANSPORTATION - STORAGE: For Janitorial purposes. USING DEPARTMENTS: Plant wide. DESCRIPTION AND PROPERTIES: Concentration of 8% to 30%; solutions over 30% concentrations contain alcohol. Some soaps may contain an abrasive while others have a special wetting agent, water softening agent, or special cleaning aid, such as borax. EXPLANATION OF HAZARDS: None as used. RECOMMENDED CONTROL: None as used. ARD 040049 SODIUM CARBONATE TRADE OR OTHER NAME: SODA ASH, SODA, SAL SODA v-tT' USAGE - TRANSPORTATION - STORAGE: Used as electrolyte material. Neutralizing acid - Lab reagent. Received in 100 pound bags, transported by fork truck on pallets and manually placed on pots. USING DEPARTMENTS: Potrooms, Chlor-Alkali, Laboratory, Electrolyte, Instrument Maintenance DESCRIPTION AND PROPERTIES: Grayish-white powder or chunk; contains impurities of sodium chloride, sodium sulphate, calcium and magnesium carbonates and sulphur. Material is alkaline in nature. EXPLANATION OF HAZARDS: Material is irritating to mucous membranes and eyes from its dusty nature and taken internally poisonous. RECOMMENDED CONTROL: Hygiene measures to prevent personal contact and proper handling to prevent dusting. ARD 040050 SODIUM FLUORIDE USAGE - TRANSPORTATION - STORAGE: In the pyrotitiation of bath samples. Lab reagent. {jSING DEPARTMENTS: Potrooms, Laboratory DESCRIPTION AND PROPERTIES: White, water soluble powder. EXPLANATION OF HAZARDS: Poisonous if ingested. Since it is the most soluble of the fluorides and is dissolved in body perspiration, the likelihood of its being taken into the mouth from hands is increased as well as the likelihood of dermatitis. The fumes and gaseous fluorides formed in heating are dangerous. RECOMMENDED CONTROL: Adequate ventilation. Collect gas, fumes, and dust at source. When handling under dusty conditions, respirators should be worn. Prevent exposure of food to dust. Personal hygiene. ARD 040051 SODIUM CHLORIDE TRADE OR OTHER NAME: SALT, SALT TABLETS USAGE - TRANSPORTATION - STORAGE: Produced from raw brine in Chlor-Alkali evaporators. Used in ChlorAlkali process for making caustic and chlorine. Used plant wide as salt tablets. USING DEPARTMENTS: Chlor-Alkali DESCRIPTION AND PROPERTIES: White crystals - Sodium Chloride EXPLANATION OF HAZARDS: When exposed to high temperature vapors jirritating to eyes. Excess ingestion of salt causes stomach 'irritation. RECOMMENDED CONTROL: Avoid high temperature. Avoid excessive ingestion. ^f\0 040052 SODIUM HYDROXIDE TRADE OR OTHER NAME: CAUSTIC, CAUSTIC SODA, LYE, WILCO ETCHANT, PENNSALT AE-16 USAGE - TRANSPORTATION - STORAGE: Used In powder form In water treatment as demineralized. In Ingot, it is contained in reclaimed tabular alumina. Stored in steel cans or bins. Produced at Chlor-Alkali in liquid form. Refining utilizes it as major portion of their liquor stream. Lab for regeaneration of deironizer. Power use it for boiler cleaning. A portion produced at Chlor-Alkali is loaded on ships for other plants. USING DEPARTMENTS: Ingot Plant, Refining, Power, Chlor-Alkali, Laboratory DESCRIPTION AND PROPERTIES: Vhite solid, either lumps or flakes. Melting Point of 318C. Absorbs water and CO2 from the'air. Soluble in water. Reaction products from caustic dip are sodium aluminate and hydrogen gas. EXPLANATION OF HAZARDS: All forms of this material will burn skin membranes and cause conjunctivitis of the eyes. The mist liberated during caustic dipping will Irritate skin membranes. MAC set at 2 mg per cubic meter of sodium hydroxide for dust or mist. RECOMMENDED CONTROL: Avoid contact with skin. Provide rubber gloves and eye protection. Flush areas immediately with cold water where material comes in contact with the body. ARD 040053 SODIUM OXALATE USAGE - TRANSPORTATION - STORAGE: ` Produced by seeding and precipitating a portion of Refining spent liquor stream. Removed by press filter. Stored in Precipitation. Disposed of by burning in kilns or pumped to abandon mud lake. USING DEPARTMENTS: Refining Operations DESCRIPTION AND PROPERTIES: Transparent colorless crystals. EXPLANATION OF HAZARDS: Has caustic effect to mouth and skin. Dangerous when heated to decomposition. RECOMMENDED CONTROL: Don* t take internally. Take precaution for handling caustic. ARD 040054 SODIUM SILICATE TRADE OR OTHER NAME: WATER GLASS, LIQUID GLASS USAGE - TRANSPORTATION - STORAGE: Used In potlining as coating. Stored in drums. USING DEPARTMENTS: Potrooms,.Property Maintenance, Pot Repair DESCRIPTION AND PROPERTIES: Semi-viscous liquid. Almost colorless. EXPLANATION OF HAZARDS: Almost none as used. On prolonged contact 'with skin, could cause irritation and dermatitife. RECOMMENDED CONTROL: Use of rubber gloves when handling. Personal hygiene. Eye protection. ARD 040055 SOLDER TRADE OR OTHER NAME: HALF AND HALF, ALCOA 802, HI TEMP ALLOY SOLDER, SILFAS SOLDER, SILVER SOLDER, 50 SN - 50 ZN USAGE - TRANSPORTATION - STORAGE: Used In bonding electrical connections and metal to metal. Stored in rolls and transported by hand. About 180 pounds per month used. USING DEPARTMENTS: Power, Gas and Oil, Machine Shop, All Maintenance DESCRIPTION AND PROPERTIES: Solders are solid alloys of two or more metals with generally low melting points. Usual metals are lead, tin, cadmium, zinc, copper, silver, and phosphorous. EXPLANATION OF HAZARDS: Vapor and fumes may cause metal poisoning if inhaled. Ordinary use by mechanical and electrical groups should present no health hazard. > . > v ; MAC - Cadmium vapor 0.1 mg/m^ Zinc fumes 5.0 mg/m^ oxide RECOMMENDED CONTROL: Adequate ventilation. ARD 040056 SOLDERING FLUX \ NO. 64, OXWELD - CAST IRON STORAGE: ring process as an adhesive. Stored in jars or cans. Dp, Gas and Oil, All Maintenance a: Dns. Typically contains Hcl, HF, H3PO4 acids, Zn, \lso rosin, animer and oils. jse skin burns If flux contains acid. I required. ARD 040057 SORBENT TRADE OR OTHER NAME: DICA, SORB USAGE - TRANSPORTATION - STORAGE: Used to clean up oil spillage. Received in 18# bags. Used with a: sorbent boom and pillow. Bought from Grefco, Inc. 60 bags at a time. USING DEPARTMENTS: Power DESCRIPTION AND PROPERTIES: Dicalite - a mixture of expanded perlite and cellulosic fiber that is treated to render product extremely hydrophobic. EXPLANATION OF HAZARDS: Non-toxic RECOMMENDED CONTROL: Personal hygiene. ARD 040058 SULFURIC ACID TRADE OR OTHER NAME: H SO,, OIL OF VITRIOL, OLEUM 24 USAGE - TRANSPORTATION - STORAGE: For water treatment, pH control, and as a process raw material. For heater tube cleaning. Unloaded from barge to storage. Unloaded from railroad car to storage. Lab for analysis and cleaning. - 63,000 pounds per month used. USING DEPARTMENTS: Electrolyte, Ingot Plant, Gas and Oil, Chlor-Alkali, Digestion, Refining Raw Materials, Clarification, Labratory, Refining Power and Pipe Maintenance DESCRIPTION AND PROPERTIES: Corrosive, dense, oily liquid. Specific gravity 1.0342 Boiling Point -210 to -338C MAC = 1 part per million for fumes or mist EXPLANATION OF HAZARDS: Contact with skin membranes causes severe bums, ^hen mixed with water, heat is generated and spattering occurs. Reacts with various metals to liberate hydrogen gas. This gas combining with oxygen of air may result in an explosion. \ RECOMMENDED CONTROL: Care in handling of the liquid. Provide rubber gloves and eye protection. Wash off skin membranes at once with water. When mixing, always add to acid to the water. ARD 040059 STARCH TRADE OR OTHER NAME: PEARL, CORN STARCH USAGE - TRANSPORTATION - STORAGE: Used as a seating or filter aid in Clarification and Cryolite. 1,200,00 pounds used per month. Receive bulk by truck. Receive bag by railroad car and transfered to storage by Utility. USING DEPARTMENTS: Digestion, Clarification, Electrolyte, Potroom Utility DESCRIPTION AND PROPERTIES: White odorless,- tasteless, grandular or powdery carbohydrate. EXPLANATION OF HAZARDS: Flameahle dust - highly explosive. RECOMMENDED CONTROL: g .. No smoking - lights - open flames, Good ventilation. Good Housekeeping. ARD 040060 STYRAFOAM TRADE OR OTHER NAME: Insulation, Polyurethane Resin USAGE - TRANSPORTATION - STORAGE: Tank Insulation. USING DEPARTMENTS: Paint .& Insulation, Clarification, Chlor-Alkali DESCRIPTION.AND PROPERTIES: Diisocyanate Resins. Look like white cork when applied. , ..EXPLANATION OF HAZARDS: ' Inflameable when being applied. Irritating to skin. RECOMMENDED CONTROL: Keep away from open flames when mixing or applying. Avoid contact when applying. - V - -I ARD 040061 TAR TRADE OR OTHER NAME: 140 ASPHALT, 190 ASPHALT See PITCH USAGE - TRANSPORTATION - STORAGE: As an additive to anode material. USING DEPARTMENTS: Potrooms PJ) DESCRIPTION AND PROPERTIES: Bituminous substance, usually a solid until heated. Similar in composition to low softening pitch. EXPLANATION OF HAZARDS: During melting the fumes given off will contain phenolic compounds, toluene and benzene. Melting and application should be performed outside so that the hazard is reduced to a minimum. RECOMMENDED CONTROL: Provide adequate ventilation. Preferable to do work outside. \ ARD 040062 USAGE - TRANSPORTATION - STORAGE: As an alloying material USING DEPARTMENTS: I i Ingot Plant DESCRIPTION AND PROPERTIES: Dark gray amorphous powder. Melting Point = 1800 C Boiling Point * 3000 C and above EXPLANATION OF HAZARDS: None as used. RECOMMENDED CONTROL: None as used. TITANIUM ARD 040063 TRICHLORETHYLENE TRADE OR OTHER NAME: C2HCI3, TRI, TRICLENE D, BLACOSOLV, WESTROSOL USAGE - TRANSPORTATION - STORAGE: Used as a degreasing agent in the cleaning of machinery. Lab reagent. Handled in drums and containers filled from drums. USING DEPARTMENTS: Maintenance Departments, Laboratory DESCRIPTION AND PROPERTIES: Chlorinated hydrocarbon, colorless liquid, sweet characteristic odor. Boiling point -188F. Relative density to air - 4.5. Decomposes eventually in the presence of moisture to hydrochloric acid and posgene. Insoluble in water. Non-flammable and non-corrosive to common metals. Triclene D is the degreasing grade used In the plant. MAC = 200 ppm EXPLANATION OF HAZARDS: Non-flammable, non-explosive except at high temperature. Toxic when Ingested orally. Avoid Inhalation. RECOMMENDED CONTROL: Personal protective equipment. Personal hygiene. ARD 040064 turpentine s USAGE - TRANSPORTATION - STORAGE: Used for thinning paints and cleaning in various departments. USING DEPARTMENTS: Maintenance Departments, Paint and Insulation DESCRIPTION AND PROPERTIES: Mixture of resin and volatile oils in various proportions, obtained from coniferous trees. MAC = 100 ppm EXPLANATION OF HAZARDS: Acts as a skin irritant and may contribute to dermatitis. Small amount of fumes irritate lungs and eyes, continued inhalation causes inflammation of kidneys and leads to pneumonia. Mixture is also flammable. MAC = 100 ppm RECOMMENDED CONTROL: Adequate ventilation and dilution with fresh air in confined areas. Should be immediately washed off skin after contact. \ ARD 040065 TURCO TRADE OR OTHER NAME: "STEAMALL" USAGE - TRANSPORTATION - STORAGE: Compound used In the steam cleaning of equipment. Is stored In barrels and trucked to job site. About 100 pounds per month used. USING DEPARTMENTS: Power DESCRITPION AND PROPERTIES: White powder - dissolves best in hot water. Use 1-2 pounds with 50-gallons water. Does not attach aluminum or any other metal. EXPLANATION OF HAZARDS: Possible dermatitis. Same hazards as any soap or cleansers. RECOMMENDED CONTROL: Personal hygiene. ARD 040066 USED CARBON CHLOR-ALKALI TRADE OR OTHER NAME: CELL ANODES AND DECOMPOSER CARBON USAGE - TRANSPORTATION - STORAGE: Used carbon from Chlor-Alkali. Stored in waste bins and transported by truck to waste pit. USING DEPARTMENTS: Chlor-Alkali DESCRIPTION AND PROPERTIES: Carbon blocks and pieces EXPLANATION OF HAZARDS: May be contaminated with brine, caustic, and mercury. If dry can be dusty. RECOMMENDED CONTROL: Handle with gloves and wear protective respirator. ARD 040067 USED POTLINING USAGE - TRANSPORTATION - STORAGE: Dug from smelting pot using jack hammer or paving breaker. Unloaded from ship to pad. Reprocessed at Cryolite Plant. USING DEPARTMENTS: Potrooms, Pot Repair, Utility, Refining Raw Materials, Electrolyte DESCRIPTION AND PROPERTIES: A solid containing alumina, fluoride, soda ash, cryolite, sodium hydroxide, fluorspar and carbon. Color varies from white to black, sometimes has a very mottled appearance. EXPLANATION OF HAZARDS: Dust contains fluorides and other bath materials which are very irritating to nose and throat. Sometimes contain free alkali up to 15%. This can irritate skin and may cause burns. RECOMMENDED CONTROL: Provide adequate ventilation, collect dust at source. Avoid pro longed skin contact. ARD 040068 VULCANIZING MATERIALS TRADE OR OTHER NAME: GUM RUBBER - GOODYEAR, GUM RUBBER - GOODRICH See Class 170. I llsAGE - TRANSPORTATION - STORAGE: For conveyor belt repairs. Stored in Storeroom or R-137 or trucked as needed. Used in cell service. USING DEPARTMENTS: R-136 Mechanical Maintenance, Chlor-Alkali, Vehicle Repair DESCRIPTION AND PROPERTIES: Materials consist of rubber patches, rubber cements, solvents, etc. EXPLANATION OF HAZARDS: None RECOMMENDED CONTROL: None ARD 040069 WEED KILLER j TRADE OR OTHER NAME: 2, 4-D, AMMATE, DOLGE SS, NALCO H-I70, PORINITOL USAGE - TRANSPORTATION - STORAGE: Used by Plant Labor Department as a weed killer on lawns, brush. Railroad right-of-way. Received in 55 gallon drums. Small amount drawn off as needed, mixed with prescribed amount of water before spraying. USING DEPARTMENTS: Property Maintenance, Gas and Oil DESCRIPTION AND PROPERTIES: All except Animate basically a water soluble salt of 2, 4 - Dichlorophenoxyacetic acid usually abbreviated 2, 4-D. Ammate is an ammonium sulfate. These compounds may also contain arsenical compounds. EXPLANATION. .OF. .HAZARDS: Poisonous if taken internally. Contact with the skin will cause irritation. May be absorbed through the skin. RECOMMENDED CONTROL: Personal hygiene. Avoid breathing spray. Provide rubber gloves and eye protection during handling. ARD 040070. WELDING FLUXES TRADE OR OTHER NAME: EUTECTOR FLUX, NO. 15, 210, 18, 21, 14, 190, 190B, 185, 195, KASENIT^ NO. 1, FERRO FLUX, BRAZO FLUX, CLIMAX WELDING COMPOUND, FLUXING BRAZING AND WELDING COMPOUNDS USAGE - TRANSPORTATION - STORAGE: Used as adhesive in the welding process. By far the most is used in the Machine Shop (800 lbs./mo.) for spike welding. Stored there on pallets of 100 lbs. each - elsewhere in cans. USING DEPARTMENTS: Machine Shop, Mechanical Maintenance, Electrical Maintenance, Power, Gas and Oil DESCRIPTION AND PROPERTIES: Composition of the flux varies with the metal upon which the work is being done. Innumerable type having various trade names - flux, may contain silicates, carbonates, fluorides, oxides or nitrates. EXPLANATION OF HAZARDS: Coated rods release Iron oxide and fume. No harmful amounts released except In confined quarters. Welding on aluminum or stainless steel Introduces a fluoride exposure from the flux. Prolonged inhalation of the fluoride fumes will lead to irritation of the nasal passages and continued exposures might result in Fluorosis. RECOMMENDED CONTROL: Local exhaust ventilation advisable. Forced ventilation when welding in enclosed tanks. ARD 040071 WELDING FUMES USAGE - TRANSPORTATION - STORAGE: . A product resulting from welding operations. USING DEPARTMENTS: All Maintenance Departments DESCRITPION AND PROPERTIES: MAC = 15 mg/m^ EXPLANATION OF HAZARDS: Very toxic due to the various oxides which may result. RECOMMENDED CONTROL: Adequate ventilation. Respirators or gas masks in enclosed areas. Goggles. ARD 040072 WELDING RODS TRADE OR OTHER NAME: FERROWELD, WEAR WELD, STAIN WELD, SUREWELD "D', ACRISWELD, ELECIWELD NO. 5, 7, 11, HARDWELD, COLMONOY, MARQUETTE SOFTWELD, WELDING ALLOYS AND PURE;:A1, ALCOA 25, STABLE ARC, SHIELD - ARC 85, NICKEL ARC. USAGE - TRANSPORTATION - STORAGE: Used in equipment repairs and general welding. About 4500 lbs./mo. used. Stored in bins, ovens, cabinets and cans. USING DEPARTMENTS: R-136 Mechanical Maintenance, Machine Shop, Electrical Maintenance, Ingot Plant, Gas and Oil, Power, Vehicle Repair J p L DESCRIPTION AND PROPERTIES: Made in various sized and of various metals. Usually coated with a fluxing material. EXPLANATION OF HAZARDS: Using steel electrodes with inadequate ventilation may cause bronchial cough. Welder's lungs may have sufficient deposition of iron oxide to show siderosis. Coated rods release iron oxide and fumes which may be harmful only in confined quarters with no ventilation. Aluminum rod or welding on aluminum introduces fluoride exposure which causes nasal irritation. Zinc coated surfaces coated with lead paints will release zinc oxide or lead oxide which can cause metal fume fever. RECOMMENDED CONTROL: Adequate ventilation or local exhaust systems. Protective goggles, clothing, etc. Rotation of workers welding in confined areas. TRADE OR OTHER NAME: DUTCH BOY - 1 POUND CAN WHITE LEAD. USAGE - TRANSPORTATION - STORAGE: For identification purpose, drilling, and surface primer* Stored in cans. USING DEPARTMENTS: Ingot Plant, Machine Shop, Paint & Insulation, Power DESCRIPTION AND PROPERTIES: Usually in powder form. Red Lead is oxide. White lead is carbonate. EXPLANATION OF HAZARDS: Poisonous when inhaled. Can cause severe disturbances In upper respiratory tract. MAC = 1.5 mg/cu.meter RECOMMENDED CONTROL: Use extreme care when handling. Personal cleanliness after using a lead base paint. ARD 040074 ZINC USAGE - TRANSPORTATION - STORAGE: Used as an alloying element. Used in R-73 Ball Mill USING DEPARTMENTS: Ingot Plant, R-136 Mechanical Maintenance DESCRIPTION AND PROPERTIES: Readily oxidizes at temperatures above melting point. Melting Point - 419C Boiling Point - 918C MAC = 15 mg/m^ EXPLANATION OF HAZARDS: No hazard with pure zinc. ZnCl2 used in soldering flux may cause bums if spattering occurs. Zinc compounds can be harmful because of 6tate of subdivision. Fumes will cause metal fume fever but danger considered slight. O' MAC of zinc oxide Is 5 mg/m . RECOMMENDED CONTROL: Personal hygiene - adequate ventilation. ARD 040075 INDEX (TRADE OR OTHER NAMES) Acrisweld Airco Alamo 28 Day Type Alcoa No. 2 Joint Alcoa No. 25 Alcoa No. 64 Alcoa No. 802 Aldox Alnox Joint Aloxite Alumilastic C & CB Alumilastic C & CB Parr Paint Alundum Animate Ammonia Ammonium Hydrate Anodes Aqua Fortis Asbestos Asphalt Auto-Clean -ASee Welding Rods Helium, Oxygen, Nitrogen Cement (Portland) Alcoa Joint Compound Welding Rods Soldering Flux Solder Oakite Alcoa Joint Compound Abrasives Glazing Compound Baulking Compounds Abrasives Weed Killer Ammonium Hydroxide Ammonium Hydroxide Carbon Nitric Acid Marinite Tar High Voltage Elect. Insulator Cleaner (dry powder) Bab-0 Benzene Beryllium Best Test Paper Cement Bituminous Soaps & Cleansers Naphtha Alloy Adhesives Coal ARD 040077 Blacosolu Boiler Cleaner Acid Borax No. 2 Brazo Flux Briquetts Brixment Bug-A-Boo Burn-Offs Calcium Fluoride Calcium Hydrate Calcium Hydroxide Carbon Tet Carbona Carbonic Acid Carborundum Cary No. 7M Castoling Caustic Caustic Soda Chemical Lime Chlorathane-Nu Chrome Green Chromic Acid Chromic Trioxide Chromium Oxide Climax Welding Compounds CRC Coast Paint Page 2 Trichlorethylene Chromic Acid Soldering Flux Welding Flux Pitch and Coke Mortar Insecticides Butts -C- Spar Hydrated Lime Hydrated Lime Carbon Tetrachloride Carbon Tetrachloride Carbon Dioxide Abrasives Asbestos Brazing Alloy Sodium Hydroxide Sodium Hydroxide Hydrated Lime Pe rc1o re thylene Chromic Oxide Chromic Anhydride Chromic Anhydride Chromic Oxide Welding Fluxes Electrical Solvent Epoxy ARD 040078 Coimondy Copallite Deep Eze Deoxit Diamond Diamond Alkali Dichloro Difluoromethane DK -- 4, 50, 72 Dolge SS Dolph1s Draino Dry Ice Duplimat Platex DuPont Plastic Dutch Boy du Verre Catalyst Eastman Photographic Developer Easy Flow Electrodes Electrolyte Electweld Nos. 5, 7, 11 Emery Ether Ethine Ethyl Alcohol Ethylene Glycol Eutector Fluxes (various nos.) -D-- -E- page 3 Welding Rods Pipe Joint Compounds Multilith Printing Materials Multilith Printing Materials Abrasives Caustic Soda Freon Photographic Developers Weed Killer Epoxy Drain Solvent Carbon Dioxide Multilith Printing Materials Adhesives White Lead Methyl Ethyl Ketone Peroxide Photographic Developer Brazing Alloy Carbon Bath Welding Rods Adhesives Ethylether Acetylene Alcohol Antifreeze Welding Fluxes ARD 040079 F-12 Fel-Pro Ferro Flux Ferroweld Fiber Glass Filter Handi-Coater Fish Flint Fluoride Fluorite Fluxing Brazing & Welding Compounds Fly Spray Formica Foxboro L & N Fuller Shineall -F- Garnet G.E. G.E. Fluid SF-97 Glycerol Glycylalcohol Glyptol Graphite Gravel Grog Ground Brick Ground Com Cobs Gum Rubber Page 4 Freon Pipe Joint Compounds ' C Welding Fluxes Welding Rods Fiber Glass Cloth Aerosol Butts Insecticides Aluminum Fluoride Fluorspar Welding Fluxes Insecticides Electrical Insulating Material Inks Polishes Abrasives Electrical Insulating Material Silicon Glycerin Glycerin Electrical Insulating Material Carbon; Lubricants Sand Gannister Gannister Abrasives Vulcanizing Materials ABO 040080 HaIf and Half Hallemlte Hardweld !Heiser Hep Aerosol Bomb i Hi Temp Alloy Horwolo Bond Hydrogen Hydrogen Chloride Hytempite Inhibitor Insulation Insulating Board and Rail Insulating Varnish G.E. J. M. Duxseal Johns-Manville No. 450 Kasenite No. 1 Kerosene Kodak Varifax Kodallth Krylon Paint Kryoflux Kryolite Kuhn's No. 731 -11- -I-J-K- Page 5 Solder Cement (Refractory) Welding Rods Cryolite Insecticides Solder Cement (Refractory)' Gas Hydrochloric Acid Cement (Refractory) - s' NEP-22 Calcium Silicate Micarta Glyptol Electrical Insulating Material Asbestos Welding Fluxes Diesel or Lubricants \ Photographic Developers Photographic Developers Aerosol Cryolite Cryolite Paint Removers ARD 04008"' jjyu*ia^gG$sla$s*asSg ;*>v Lithium Fluoride Litharge and Glycerin Lubricants Luminite Luppersol DEM Lye Magnalgo Marquett Softweld MEK Mercury -XMethyl Acetyl Methyl Alcohol Micarta Miricle Type M ML Muratic Acid Mylar Sheets Nalco Nalco H-170 National Starch Load Lock Nickel Arc Non-Flaming Brazing No. 25 1-^ -M- -N- Page 6 Lithium Carbonate Pipe Joint Compound See listings in back of Manual Cement (Refractory> ;^.^^^k^ Methyl Ethyl Ketone'^^^^^^^^^^: Sodium Hydroxide Dye Welding Rods 'J Methyl Ethyl Ketone Calcium Sulfide C^^ond Acetone Methanol I Electrical Insulating Material Adhesives See listings in back of Manual "; Hydrochloric Acid Mica Nalco Water Treating Products Weed Killer Adhesives Welding Rods Brazing Alloys ARD 040082 I 1 Okonite Oxweld - Cast Iron PCB-100 Pecora Caulking Compounds Pen Blue Pennsalt AE-16 Permax Pet Petroleum Coke Pipe Klenzo Pitch PL Plain Cleaner Preservative Solution Prestolite Prestone Propane Prurrian Blue Pyrene Q Seal Joint Compound Quicksilver Quartz Page 7 '$& ' Sulfuric Acid *' ';:iK kaifcfl^ulfuricfeAclds Electrical Insulating Material Soldering Flux -P- Soaps and Cleansers Caulking Compounds '*>& Dye Sodium Hydroxide Insecticides Coke Coke Drain Solvent Coke - Tar .; See listings in back^$#S^''::-> ' Sorbent . -V. ' . - Multilith Printing Materials Acetylene Antifreeze Acetone . ' .i.VJi'-..'. ' ' Dye Carbon Tetrachloride -Q- Pipe Joint Compound Mercury Sand ARD 040083 Radioactive Materials Recorder Red Glyptal Resin Sal Soda Sand Sandpaper Sani-Flush SBS 30, 40 Semi-Parte Copon No. 1182 Shell Oil Shell Arc - 85 Silfas Solder Silica Silicon Fluoride Silver Solder Skamol Soda Soda Ash Sodium Chloride Sodium Oxalate Sodium Silicate Sorbent Spar Spotcheck Cleaner SpOtcheck Developer Spotcheck Penetrant Stable Arc -R-S- Page 8 Radiation Inks Pipe Joint Compound Polyester Sodium Carbonate Abrasives Abrasives Bowl Cleaners Soaps and Cleaners Paint Removers Methyl Ethyl Ketone (Butanone) Welding Rods Solder Sand Silicon Tetrafluoride Solder Insulation Sodium Carbonate Soaps and Cleansers; Sodium Carbonal Salt Oxalate Adhesives DIca-Sorb Fluorspar Dye Dye Dye Welding Rods ARD 040084 Stain-Weld Standard Bronz Starch Steamall ' ....4 ;'-..i'. Styrafoam Super 300 Supervix X-Ray Developer Sureweld X y- Sylvania *yr- y ~ ''-Synthetic yy-'. -s Tetra Tetraflouro Methane Thermolith . . - Tite Seal , Tolvne Tri Triclene D Used Carbon Vani-Sol Varsol Vaposector Vinyl-Rust Veto -.yy "r-'f-Tjv" r; y' -T- -U- -V- I Wagner Electric Water Glass WD-40 Page 9 Welding Rods Brazing Alloys Cron - Maize -V-. Vapor' Cryolite- -/j^ Carbon Tetrachloride": . - > J-V;.................. . Carbon Tetra FluorideH^^K?-*. ^: Cement ( 'Pipe Joint Trichlore thylene Decomposed Cell Bowl Cleaners Stoddard Solvent (Humble) Insecticides Aerosol Brake Fluid Sodium Silicate Aerosol. p$\D 040085 Wear Weld Welding Alloys Westchum Tredcate West Insulating Varnish - Epoxy Westinghouse Westrosol Whez Anti Seize White Lead Wilco Etchant Wood-Lac Glue -X-Y-Z- Page 10 Welding Rods Welding Rods Polishes Electrical Insulating Materials Epoxy Trichlorethylene Pipe Joint Compound Glazing Compound Sodium Hydroxide Adhesives ARD 040086 o a 0O V 0 --c "N ) 00i0f X - & ?> sa. 0 c X "c1 X c X t. X oc X c X>* CL n CL 0. c Q_ Mc Lr CoccL* c - co Xas o X>s c X>- e c. rc o XX ct.* ccfa X>s X c X Ccool* Cc*oL acofa CocpL c CoL Cc0eoL Cooc0L 0coL 1 cs 1 3do --- cn 4 T> Ko. M amOm. -- -- -- " ' "C-OOyMOL, "O Ui 0 C0oL E *.CXAOeMmLJ E ~u CmMeL E -c CJMfe0aLt *.Aioae CL *w. Xfat _t m X X X* xk oE J"WO CL o 6 O CoLi pE O ILO pE Oc jy CmL PE JCOOnOL . oE___ O 0 OoE fat ji C0oL CL ooE a CL ooE a CL m ti . 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J5 O oo o3 *~ LU < ort m < --Jc o 0o no o lu 5_| 6 oe U-t ,, < -Jo 5 iot ^ <UJ * --o` -1 _ O Oo0 v so U<J t_-Col -c _3J n <tno O *Oao. ` <N -j? co *oTo;3 xO. 77 ( _.Ir> S-g *- to t-S to _J co co P0 o < --c -- P3> rt*o. X--I X O Ot o oso Ov O- ' - T o' ,,s.a" so ^ < oPo>O7oXO" * "2 hs. _o ^_j3L" 5 6 aS 5 5 r"4s j --1 VX *p to X . o" z o. ^3 .2 njc J,x-I c"P > u. u --E | _J to 0 c6 C o ' to 2 e< c. 0 <J=O* ~ 'P fa--n CrL j-5CD 0 O ARD 040087 <