Document dYxBmxv432EL7g6VpZX7kXq35

DPMC EXPOSURE GUIDELINE CHBT8501101 PREPARED BY THE INDUSTRIAL HYGIENE DEPARTMENT APRIL 1986 LAM 013581 DPMC-14874 DPMC INDUSTRIAL HYGIENE EXPOSURE GUIDELINES JANUARY 1985 Basis Acceptable levels of employee exposure to chemical substances have been estab lished in recent years by various regulatory and scientific groups. This in cludes the Occupational Safety and Health Administration, (OSHA); the American Conference of Governmental Industrial Hygienists, (ACGIH); and the National Institute for Occupational Safety and Health (NIOSH). Recommendations on acceptable levels of employee exposure for individual chemical substances often vary between these groups due to 1) differences in data interpretation, or 2) a review of new health hazard information not previously considered. Where existing acceptable limits of exposure are determined to be inadequate. Shell may establish a Shell Internal Limit, for example, epichlorohydrin. To provide an updated listing of recommended acceptable limits of employee exposure, the attached summary of "DPMC Exposure Guidelines" was prepared. DPMC Exposure Guidelines represent target control;levels for employee protec tion. At the minimum, precautionary workpractices, respiratory protection and where indicated protective clothing should be used to reduce exposure to or below the DPMC Exposure Guideline. For many chemical substances, two guide lines have been set 1) a short term @ 15 minutes and 2) an 8 hour TWA. DPMC Exposure Guidelines reflect reasonably current health hazard and toxico logical information and will be updated annually. DPMC Exposure Guidelines are as strict as those established by OSHA and Incorporate Shell Internal Limits where these have been established. Guidelines have been established for those substances with greater exposure potential or in more frequent use. Respiratory Protection For each .DPMC Exposure Guideline listed, the minimum type of respiratory protection recommended for use has been identified. Respirators affording a higher level of protection may be used if determined to be appropriate, e.g. a full-face mask may be used to avoid eye irritation instead of a half facepiece; an air supplied respirator may be used instead of a cartridge respirator, etc. Protective Clothing LAM 013582 Certain chemical substances have the capacity to cause a toxic effect by being absorbed through the skin. This may occur with or without any local skin effect (reddening, rash, bum, etc). Of those substances which can be absorbed, the capacity or rate in which absorption will occur may vary signi ficantly (slightly, moderately, readily absorbed). Each chemical substance reported to have this capacity has been identified on the listing of DPMC mnwo em i r\ i DPMC-14875 Exposure Guidelines. It is generally recommended that uncontaminated PVC gloves be used for protection against chemical substances which may be absorbed through the skin. LAM 013583 DPMC-14876 A.C.G.I.R. A.M. Cartridge E.N.T. Health Data and Comments mg/m3 NIOSH O.V. Cartridge ppm STEL Suspect Embryo fetus hazard Type N Canister TWA 3M 9900 3M 9920 I.D.L.H. CHBT8501101 ABBREVIATIONS USED American Conference of Governmental Industrial Hygienists - A professional standard setting organization. Ammonia Respirator Cartridge Eyes, Nose and Throat. Basic information concerning known toxicity is pre sented without regard to exposure level, frequency of exposure required to cause health effect, etc. Milligram dust per cubic meter of air (weight/volume). The National Institute for Occupational Safety and Health. This is the research branch of OSHA located under H.E.W. Organic Vapor Cartridge - Black in color. Parts Per Million (Volume/Volume) - Usually used for gases and vapors. Short Term Exposure Limit - Generally referred to as the upper exposure level allowed over a short duration. Toxicity information and exposures to this chemical are currently being reviewed; has not yet been cate gorized under the Shell Embryo-Fetus Hazard Program. Red canister suitable for carbon monoxide Time-Weighted Average - The usual term referred to for 8 hour exposures. Disposable 3M paper respirator which is suitable for some dusts. Disposable 3M welding fume respirator which is suit able for some fumes and welding circumstances Immediately Dangerous to Life or Health - maximum con centration which would permit escape within a 30 minute period. LAM 013584 DPMC-14877 TABLE OF CONTENTS CHEMICAL Acetone ........................... Acetonitrile ................ Acetophenone .............. . Acrolein ......................... Allyl Chloride .......... Allyl Glycidyl Ether Aluminum Metal Dust Aluminum Metal Fumes Ammonia Aniline ............................ Asbestos .......................... Asphalt Fumes ............ PAGE NO. 9 9 9 9 10 10 ... .10 10 10 10 10 11 Benzene .............................. Bisphenol A (BPA) .... 1,3 Butadiene .................. Butane ................................., n-Butyl Alcohol ............ n-Butyl Glycidyl Ether sec-Butyl Alcohol .... tert-Butyl Alcohol ... Butyl Oxitol..................... . 11 11 11 11 11 12 12 12 17 Cadmium Oxide Fume ........... Carbon Disulfide ............................................................................................................................ Carbon Monoxide .............................................................................................................................. Carbon Tetrachloride ................................................................ Catalyst Dust ................................................................................................................................... Chlorine .............................................................................................................................................. Chloroform ......................................................................................................................................... 12 12 12 13 13 13 13 LAM 013585 CHBTRSm101 DPMC-14878 CHEMICAL PAGE NO. Chromium Fume .............................................................................................................. .. Coal Tar Pitch ............................................................................................................... Cobalt Fume or Dust ................................................................................................... Copper Dust ...................................................................................................................... Copper Fume ...................................................................................................................... Cresol ................................................................................................................................... Cumene ............................................................................................................................... Curing Agept Y ............................................................................................................... Cyclohexane ........................................................................................................................ 1,3 Cyclopentadiene ..................................................................................................... , Cellosolve Acetate.......................................................................................................... 13 13 13 14 14 14 14 14 14 14 14 Diacetone Alcohol .......................................................... ............................................... 1,3 Dichloropropene ....................................................................................................... Dicyclopentadiene .......................................................................................................... Diethanolamine ................................................................................................................. Diethylamine ................................................................................................................. Diethylenetriamine ........................................................................................................ Diglycidyl Ether ............................................................................................................ 15 15 15 15 15 15 15 Ethanolamine ..................................................................................................................... Epichlorohydrin ............................................................................................................... Ethyl Alqohol ................................................................................................................... Ethyl Benzene ................................................................................................................... Ethyl Chloride .............. ...................................................................................... Ethylene Dichloride ..................................................................................................... Ethylene Dibromide.......................................................................................................... Ethylene Glycol m-Butyl Ether ................... .......................................................... Ethylene Glycol m-Ethyl Ether ............................................................................ . Ethylene Glycol m-Methyl Ether ................................................... Ethylene Glycol Vapor .............. ......................................... LAW 013586 16 16 16 16 16 16 17 17 17 17 17 Gasoline (Bulk Handling) .......................................................................................... CHBT8501101 17 DPMC-14879 CHEMICAL PAGE NO. n-Heptane ............................................................................................................................................. n-Hexane ............................................................................................................................................... 17 18 Hydrazine ............................................................................................................................................. Hydrogen Chloride .......................................................................................................................... Hydrogen Sulfide ........................................................................................... Hydroquinone ...................................................................................................................................... 18 18 18 18 Inorganic Lead ................................................................................................................................. Iron Oxide .......................................................................................................................................... Isoprene ............................................................................................................................................... Isobutyl Alcohol...................................... Isopropyl Alcohol ..................................................................... Isopropyl Ether ........................................................................_..................................................... 18 19 19 19 19 19 Magnesium Oxide Fume (as Mg) ................................................................................................. 19 Manganese (as Mn) Fume or Dust ................... `........................................................................ 19 Mercury ................................................................................................................................................. 20 Mesityl Oxide ...............................................;.................................................................................. 20 Methacrylic Acid .................................................................................................................... 20 Methanol ............................................................................................................................................... 20 Methyl Ethyl Ketone ..................................................................................................................... 20 Methyl Ispbutyl Carbinol .......................................................................................................... 20 Methyl Isobutyl Ketone ............................................................................................................... 20 Methyl Mercaptan ......................................................................................................... 20 Methyl Oxitol - See Ethylene Glycol MME ........................................................................ 17 MethyleneDianiline (MDA) ............................................................................................................ 14 Molybdenum (as Mo) Soluble ..................................................................................................... 21 (Alpha) Methyl Styrene .......................................................... lam 05S7 21 Naphthalene .......................................................................... 21 Nickel Subsulfide....................................................................................................................................21 ruBTB Am i m DPMC-14880 CHEMICAL EAGE NO. Nickel Oxide....................................................................................................................................... Nickel Chloride................................................................................................................................ Nickel Carbonyl (as Ni) ............ ............................................................................................... 21 21 21 Organic Lead ..................................................................................................................................... Ozone ...................................................................................................................................................... 21 22 para-Benzoquinone .......................................................................................................................... Pentane ................................................................................................................................................. Phenol .................................................................................................................................................... Phenyl Glycidyl Ether ................................................................................................................. 22 22 22 22 Sulfur Dioxide ...............................................................'.......... ...................................................... 22 Sulfuric Acid Mist ........................................................................................................................ 22 Styrene, Monomer ............................................................................................................................ - 23 Teflon (FEP) Welding Fumes .................................................... Titanium Fume/Dust ........................................................................................................................ Toluene ................................................................ Total Nuisance Dust ..................................................................................................................... 1,1,1 Trichloroe thane................................................................................................................... Trichloroethylene .................. 1,2,3 Trichloropropane ................................................................................................................ Trimethylamine ................................................................................................................................. 23 23 23 23 23 23 24 24 Vanadium (Fume) .............................................................................................................................. Vinyl Chloride Monomer .............................................................................................................. 24 24 Welding Fume Wood Dust............ Xylene ................. Zinc Oxide Fume LAW 013588 24 24 25 25 DPMC-14881 9 SUBSTANCE A Section Acetone Acetonitrile Acetophenone (Phenyl Methyl Ketone) Acrolein DPMC EXPOSURE GUIDELINES DPMC GUIDELINES MINIMUM RESPIRATOR TWA________ STEL UNITS_________ SELECTION (Requirements) HEALTH DATA AND COMMENTS 1000.0 1000.0 ppm 40.0 60.0 ppm None Available 0.1 0.3 ppm Above 750 ppm & up to 2000 ppm half-face mask w/black dual organic vapor cartridge. Above 40 ppm & up to 400 ppm half-face mask w/yellow dual O.V. acid gas cartridge. Full facepiece mask w/dual black O.V. cartridges for anti cipated exposure to vapors of heated material. Above 0.1 ppm & up to 1 ppm full-face mask w/dual O.V. black cartridges. Mild ENT irritant at cone, below 1000 ppm; may be narcosis producing above 1000 ppm. Odor threshold 13-100 ppm. Colorless liquid. Acute toxicity due to cyanide, ether like odor detected 40-170 ppm. Skin ab sorption possible. Possible respiratory tract effects. Hydrogen cyanide gas may be formed in a fire. Skin irritation, mild burns and transient eye injury possible. Persis tent. pleasant sweet, almond odor color less liquid. Low acute toxicity but potentially narcotic at high concentra tions. Odor detec tion less than 1 ppm. Vapors extremely irritating at 0.3-1.0 ppm. Skin absorption possible. CHBT8501101 0009.0.0 lam 013589 DPMC-14882 10 DPMC EXPOSURE GUIDELINES SUBSTANCE A Section (Cont'd.) DPMC GUIDELINES TWA STEL UNITS MINIMUM RESPIRATOR SELECTION (Requirements) HEALTH DATA AND COMMENTS Allyl Chloride 1.0 2.0 ppm Above 1 ppm & up to Unpleasant pungent 50 ppm half-face mask odor. Odor detected w/dual O.V. black at 0.2 ppm. cartridge. Possible liver and kidney effects. Allyl Glycidyl Ether Aluminum Metal Dust Aluminum Metal Fumes 5.0 10.0 5.0 10.0 ppm 3 mg/m 3 mg/m Above 5 ppm & up to 50 ppm half-face mask w/black dual O.V. cartridge. Disposable 3M 9920 mask for operations which may exceed 10 mg/m3. Disposable 3M 9920 mask for operations which may exceed 10 mg'/m3. Skin absorption possible. Eye, nose, throat & resp. irritant. Considered an inert or nuisance dust. " Ammonia 25.0 35.0 ppm Above 25 ppm & up to 250 ppm full-face mask w/green dual cartridge. Odor detected 1-55 ppm; marked E.N.T. irritant; irritat ing at 50 ppm. Skin burns may occur with liquid contact. Aniline 2.0 5.0 ppm Above 2 ppm & up to Skin absorption 50 ppm half-face mask possible. Odor w/dual O.V. black threshold 1.0 ppm. cartridge. Causes blood effects, headaches, dizziness, etc. Asbestos 2.0 10.0 Fibers Disposable 3M 9920 dust Recognized lung per cc mask for all exposure carcinogen; may also potential i.e. insula cause asbestosis tion removal, etc. (lung scarring). Protective clothing also required. LAM 013590 CHBT8501101 0010.0.0 DPMC-14883 11 DPMC EXPOSURE GUIDELINES SUBSTANCE A Section (Cont'd.) Asphalt Fumes (mineral pitch, petroleum pitch, mixture of poly cyclic aromatic and paraffinic, hydrocarbons) DPMC GUIDELINES TWA STEL UNITS MINIMUM RESPIRATOR SELECTION (Requirements) 3 5.0 10.0 mg/m Half-face mask w/dual black O.V. cartridge & dust covers for opera tions which may exceed 5 mg/ms. HEALTH DATA AND COMMENTS Respiratory & skin irritant; contact can cause acne-like sores or dermatitis B Section Benzene Bisphenol A(BPA) 1,3 Butadiene n-Butyl Alcohol Butane 10.00 ppo Above 10 ppm & up to 50 ppm half-face mask with dual O.V. black cartridge. 3 5.0 mg/m 25.0 ppm DPMC Guideline Disposable 3M 9920 dust mask for oper ations which may exceed 5 mg/m3 eg. debagging,cleanup. Above 25 ppm & up to 500 ppm half-face mask with black O.V. cartridge. 100.0 ppm Above 100 ppm & up to 1000 ppm half-face mask with dual O.V. black cartridges. 800.0 - ppm Above 800 ppm airline respirator required. Skin absorption possible; Suspect human carcinogen; odor threshold 2-3 ppm. Category "A" Embryo Fetus hazard Considered an irri tant dust; possible skin sensitization. Moderate irritant eye, nose and throat. Narcosis producing at high concentrations. Suspect carcinogen. Skin absorption possible; odor threshold 10 ppm; reported effect on hearing ability Odor threshold 500 ppm. CHBT8501101 0011.0.0 LAM 013591 DPMC-14884 DPMC EXPOSURE GUIDELINES SUBSTANCE B Section (Cont'd.) DPMC GUIDELINES TWA STEL UNITS MINIMUM RESPIRATOR SELECTION (Requirements) n-Butyl Glycidyl Ether (BGE) 25.0 ppm Above 25 ppm & up to 250 ppm half-face mask w/dual O.V. black cartridges. sec-Butyl Alcohol 150.0 ppm Above 150 ppm & up to 1000 ppm half-face mask w/dual O.V. black cartridges. tert-Butyl Alcohol 100.0 150.0 ppm Above 100 ppm & up to 1000 ppm half-face mask with dual O.V. black cartridges. HEALTH DATA AND COMMENTS Sensitization possible. Alleged reproductive carcin ogen and mutagenic effects. Irritant. Odor detected at 0.02 ppm. NIOSH recommends 4 ppm ceiling limit. Some irritative and narcotic effects. Odor detected at 0.4 ppm. Narcotic effect (dizziness, head ache) . Odor detec ted at 0.7 ppm. C Section Cadmium Oxide Fume Carbon Disulfide 0.05 3 mg/m 0.5 15.0 ppm Shell developed guideline. Half-face mask with efficiency filter or airline mask for all fume generating activities. Above 0.5 ppm and up to 50 ppm full-face mask with dual O.V. cartridges (Black). Carbon Monoxide 50.0 400.0 ppm Air supplied respira tors or Type N red canister mask. Kidney, lung and possible long-term chronic effect. Category "A" Embryo Fetus hazard. Skin absorption possible. Category "A" Embryo Fetus hazard. Systemic effects possible. Odor detected .1-8.0 ppm. Odorless chemical asphyxiant, suspect Embryo Fetus hazard. LAM 013592 CHBT8501101 nm ? n n DPMC-14885 13 DPMC EXPOSURE GUIDELINES SUBSTANCE______________ C Section (Cont'd.) Carbon Tetrachloride DPMC GUIDELINES TWA STEL UNITS MINIMUM RESPIRATOR SELECTION (Requirements) 5.0 - ppm Shell developed guideline. Above 5 ppm and up to 50 ppm O.V. Black cartridge respirator required. Catalyst Dust (Excluding toxic metals) Chlorine Chloroform 10.0 1.0 50.0 mg/m3 Disposable 3M 9920 dust mask w/goggles or fullface mask w/dual purple filter high efficiency cartridges or airline mask. 1.0 ppm Above 1 ppm & up to 25 ppm full-face mask w/orange & white can ister. Air supplied mask for levels above 25 ppm or unknown concentrations. ppm Above 50 ppm air supplied respirator required. Chromium Fume (metal and insoluable salts as Cr), 0.5Cr III 0.05 CrVI Coal Tar Pitch Volative. (Benzene Soluble Fraction analyzed for specific PCAs) Cobalt Fume or Dust (as Co) 0.2 0.05 mg/m3 High efficiency fume mask (purple cartridges or 3M 9920), or airline mask as required depend ing on welding process and ventilation. mg/m3 Half-face mask w/dual black O.V. cartridge and dust covers for operations which may exceed .2 mg/m3. 0.1 mg/m3 Half-face mask w/dual purple filter high efficiency cartridge or airline mask. CHBT8501101 0013.0.0 HEALTH DATA AND COMMENTS Suspect cancer agent. Category "A" Embryo Fetus hazard. Skin absorption possible Toxicity dependent on components; visual dust emissions to be controlled. Eyes, nose and throat irritant; pulmonary irrita tion. I.D.L.H. is 25 ppm. Suspect cancer agent. Category "A" Embryo-Fetus hazard. Chronic lung hazard. Polycyclic Aromatic (PCA) containing; respiratory & skin irritant; possible cancer association. Long term lung effects possible. LAM 013593 DPMC-14886 14 DPMC EXPOSURE GUIDELINES SUBSTANCE C Section (Cont'd.) DPMC: GUIDELINES TWA STEL UNITS MINIMUM RESPIRATOR SELECTION (Requirements) Copper Dust (as Cu) Copper Fume (as Cu) 1.0 - mg/m3 Disposable 3M 9900 dust mask. 0.1 mg/m3 High efficiency fume mask (purple cartridge or 3M 9920), or airline mask as required depend ing on welding process and ventilation. Cresol 5.0 ppm Above 5 ppm & up to 50 ppm full-face mask w/dual O.V. black cartridges. Cumene 50.0 75.0 ppm Above 50 ppm & up to 500 ppm half-face mask w/dual O.V. black cartridges. Curing Agent Y [4,4' - Methylene dianiline (MDA) & 2,4-diaminotoluene 0.1 0.5 ppm Above 0.1 ppm & up to 1.0 ppm half-face mask with dual O.V. black cartridges. Cyclohexane 300.0 375.0 ppm Above 300 ppm & up to 1000 ppm half face mask w/dual O.V. black cartridges. 1,3 Cyclopentadiene 75.0 150.0 ppm Above 75 p.pm & up to 750 ppm half-face mask w/dual O.V. black cartridges. Cellosolve Acetate (Ethoxyethyl Acetate) 5.0 15.0 ppm Shell developed guideline Above 5 ppm & up to 50 ppm half-face mask w/dual black O.V. cartridges. HEALTH DATA AND COMMENTS Possible long term lung effects. Metal fume fever possible from fume, an irritant to the upper respirator tract. Skin absorption possible. Dermal irritant. Toxicity similar to phenol. Skin absorption possible. Narcotic & irritative effects possible. Skin absorption possible, suspect cancer agent. Pungent odor detect able near 300 ppm. Skin, eye & respira tory irritant. Vapors irritating near 200 ppm. Skin absorption possible. "A" category Embryo Fetus hazard. CHBT8501101 0014.0.0 LAM 013594 DPMC-14887 15 DPMC EXPOSURE GUIDELINES SUBSTANCE D Section DPMC GUIDELINES TWA STEL UNITS MINIMUM RESPIRATOR SELECTION (Requirements) Diacetone Alcohol 50.0 75.0 ppm Above 50 ppm & up to 500 ppm half-face mask w/dual black O.V. cartridges. 1,3 Dichloropropene (D-D soil fumigant) CHCL - CH-CH2CL 1.0 3.0 ppm Above 1 ppm & up to 50 ppm half-face mask w/dual black O.V. cartridges. Dicyclopentadiene (DCPD) 5.0 ppm Above 5 ppm & up to 50 ppm half-face mask w/dual black O.V. cartridges.. Diethanolamine 3.0 Diethylamine 25.0 Diethylenetriamine 1.0 Oiglycidyl Ether ppm Above 3 ppm & up to 50 ppm full-face mask w/dual green AM cartridges. ppm Above 25 ppm & up to 100 ppm half-face mask w/dual green AM cartridges. ppm Above 1 ppm & up to 50 ppm full-face mask w/dual green AM cartridges. 0.5 ppm Supplied air respirator only for all exposure potential which may exceed 0.5 ppm. HEALTH DATA AND COMMENTS Vapors irritating near 100 ppm. Narcotic effect possible. Respiratory irri tant, kidney & liver effects. Odor detected at .02 .02 ppm. Disagreeable odor at 0.2 ppm and irritating below 10 ppm. Possible chronic effects. Colorless, liquid with slight ammonia odor; may cause irritation to E.N.T. Eye and upper res piratory tract irri tant-. Odor detected at 0.05 ppm. Skin absorption possible. Eye and respiratory irrita tion. Causes CNS depres sion, severe eye irritant. Odor threshold is above 5 ppm. uMn 013695 CHBT8501101 0015.0.0 DPMC-14888 16 SUBSTANCE E Section Ethanolamine Epichlorohydrin Ethyl Alcohol Ethyl Benzene Ethyl Chloride Ethylene Dichloride DPMC EXPOSURE GUIDELINES DPMC GUIDELINES MINIMUM RESPIRATOR HEALTH DATA TWA STEL UNITSSELECTIONAND COMMENTS (Requirements) 3.0 6.0 ppm 1.0 3.0 ppm 15 min. peak 1000.0 ppm 100.0 ppm 1000.0 ppm 50.0 100.0 ppm Above 3 ppm & up to 50 ppm full-face mask w/dual green AM cartridges. Above 1 ppm & up to 50 ppm full-face mask w/dual black O.V. cartridges. Above 1000 ppm & up to 2000 ppm full-face mask w/red type N canister mask. Above 100 ppm & up to 500 ppm full-face mask w/dual black O.V. cartridges. Above 1000 ppm & up to 2000 ppm full-face mask w/red type N canister. Above 50 ppm & up to 500 ppm an airline respirator for VCM & EDC. Half-face mask w/dual O.V. black cartridges permitted for exposures involving only EDC. Acute systemic toxicity. Odor threshold 3-4ppm. Irritant to skin & eyes. CNS stimulant. Skin absorption possible. Suspect human carcinogen. IDLH is 100 ppm. Narcotic effects above guideline. Odor detected at 5 ppm. Skin irritant, irri' tating to U.R.T. systemic toxicity. Narcotic effects above guideline. Skin absorption possible. Toxic to liver, narcotic effects, suspect carcinogen. "A" category EmbryoFetus hazard. IDLH is 1000 ppm. Odor threshold is 40 ppm. CHBT8501L01 0016.0.0 LAM 013596 DPMC-14889 17 DPHC EXPOSURE GUIDELINES DPMC GUIDELINES MINIMUM RESPIRATOR SUBSTANCE_______________ TWA________ STEL UNITS__________SELECTION (Requirements) E Section (Cont'd.) Ethylene Dibromide 10.0 15.0 ppm Up to 10 ppm full face mask w/dual black O.V. cartridges. Air supplied above 10 ppm. HEALTH DATA AND COMMENTS Skin absorption possible. Suspect carcinogen. 130 ppb ceiling standard used by California "A" category Embryo Fetus hazard. Odor threshold 26 ppm. Ethylene Glycol m-Butyl Ether (Butyl Oxitol) 25.0 40.0 ppm Shell developed guideline Above 50 ppm & up to 500 ppm half-face mask w/dual O.V. black tridges. Odor unpleasant at 75 ppm. Skin absorption possible. Irritation and acute carsystemic effects possible including red blood cells. Ethylene Glycol m-Ethyl Ether (Ethyl Oxitol, or 2-Ethoxyethanol) 5.0 15.0 ppm Shell developed guideline Above 5 ppm & up to 50 ppm half-face mask w/dual O.V. black cartridges. Skin absorption possible. Acute systemic toxicity "A" category Embryo Fetus hazard. Ethylene Glycol m-Methyl Ether (Methyl Oxitol) 2.0 6.0 ppm Shell developed guideline Above 2 ppm & up to 50 ppm half-face mask w/dual O.V. black cartridges. Skin absorption possible. Acute systemic toxicity "A" Category Embryo Fetus hazard. Ethylene Glycol Vapor G Section 50.0 ppm Half face mask with dual black O.V. cartridges required for mists. Odor threshold is 25 ppm. Gasoline (Bulk Handling) 300.0 500.0 ppm .Above 300 ppm & up to 1000 ppm half-face mask w/dual O.V. black cartridges. Anesthetic effect above guideline; irritating to mucous membranes. H Section n-Heptane 500.0 ppm Above 500 ppm & up to 1000 ppm half-face mask w/black O.V. cartridges. Narcosis producing at high concentra tions . CHBT8501101 0017.0.0 DPMC-14890 LAM 013597 18 DPMC EXPOSURE GUIDELINES SUBSTANCE______________ H Section (Cont'd.) DPMC GUIDELINES MINIMUM RESPIRATOR TWA________ STEL UNITS__________SELECTION (Requirements) n-Hexane 50.0 - ppm Above 50 ppm & up to 500 ppm half-face mask w/black O.V. cartridge. Hydrazine 0.01 - ppm Shell developed guideline Above 0.01 ppm & up to 1.0 ppm full-face mask w/green AM cartridges. Hydrogen Chloride Hydrogen Sulfide 5.0 ppm 10.0 20.0 ppm 50 for 10 min. (If no other exposure occurs that shift) Above 5 ppm & up to 50 ppm full-face mask w/dual white chlorine cartridges. Air supplied respirator for exposure potential above 300 ppm. Type GMC-SS-1 canister (yellow) for escape. Hydroquinone 2.0 4.0 mg/m3 Disposable 3M 9920 dust mask for oper ations which may reasonably exceed 2 mg/m3. HEALTH DATA AND COMMENTS Polyneuropathy & (nervous system effects) narcosis effects. Skin absorption possible; respira tory irritant; sus pect cancer hazard; Suspect Embryo Fetus hazard. Eyes, nose, and res piratory irritant. Marked irritant to eyes, lung; loss of smell, highly toxic. Odor threshold .004 ppm. Immediate uncon sciousness above 600 ppm. White crystals; may cause dermatitis, sensitization, eye injury & systemic toxicity. I Section Inorganic Lead Dust and Fume (as Pb) 0.05 - mg/m3 Half-face mask w/dual Chronic toxicity purple dust filter from inhalation or cartridges, disposable ingestion. Good 3M 9920 dust mask or personal hygiene airline mask. required. OSHA action level is 0.03 mg/m3. Suspect Embryo Fetus hazard. CHBT850I101 nm a n n LAM 013598 DPMC-14891 19 DPMC EXPOSURE GUIDELINES SUBSTANCE I Section (Cont'd. ) DPMC GUIDELINES TWA STEL UNITS MINIMUM RESPIRATOR SELECTION (Requirements) Iron Oxide (as Fe) 10.0 mg/m3 Disposable 3M 9900 dust mask. HEALTH DATA AND COMMENTS Long term minor lung hazard. Isoprene (2 Methyl, 1-3 Butadiene) None Available ppm Full facepiece mask Vapors irritating to w/black O.V. cartridges. eyes, nose and For protection against throat. odor or if irritation occurs. Isobutyl Alcohol 50.0 ppm Above 50 ppm and up to Irritation of eyes 1000 ppm, full-facepiece and upper respira mask with black organic tory tract. May vapor cartridges. cause headaches, Supplied air required at drowsiness, skin concentrations above irritation and ski 1000 ppm. cracking. Isopropyl Alcohol 400.0 ppm Above 400 ppm & up to Skin absorption 1000 ppm half-face mask possible. w/black O.V. cartridges. Isopropyl Ether 250 310 ppm Above 250 ppm & up to More toxic than 1000 ppm half-face ethyl ether. Vapor mask w/black O.V. irritating above cartridges. 250 ppm. M Section Magnesium Oxide Fume (as Mg) 10.0 Manganese (as Mn) Fume or Dust 1.0 mg/m3 High efficiency fume mask (purple cartridges or 3M 9920), or airline mask as required depending on welding process and ventilation. Long term minor lung hazard. 3.0 mg/m3 High efficiency fume Central nervous mask (purple cartridges system disorders. or 3M 9920), or airline mask as required depending on welding process and ventilation. LAM 013599 CHBT85Q1101 0019.0.0 DPMC-14892 20 DPMC EXPOSURE GUIDELINES SUBSTANCE M Section (Cont'd.) Mercury (inorganic) DPMC GUIDELINES TWA STEL UNITS MINIMUM RESPIRATOR SELECTION (Requirements) 0.1 mg/m3 Airline respirator only. Mesityl Oxide ' 25.0 ppm Above 25 ppm & up to 250 ppm half-face mask w/black cartridges. Methacrylic Acid 20.0 (Glacial Methacrylic Acid or Alpha Methyl Acrylic Acid) 30.0 ppm Above 30 ppm & up to 200 ppm full-face mask w/dual black O.V. cartridges. Methanol (Methyl Alcohol) Methyl Ethyl Ketone 200.0 ppm 100.0 ppm Shell developed guideline Above 200 ppm & up to 1000 ppm half-face mask w/dual black O.V. cartridges. Methyl Isobutyl Carbinol Methyl Isobutyl Ketone Methyl Mercaptan 25.0 40.0 100.0 0.5 10.0 ppm Above 25 ppm & up to 250 ppm full-face mask with dual black O.V. cartridges. ppm Above 50 ppm & up to 1000 ppm half-face mask w/dual black O.V. cartridges. ppm Air supplied respirator only for all exposure potential. CHBT8501101 LAM 013600 HEALTH DATA AND COMMENTS Central nervous system disorders; Category "A" Embryo Fetus hazard. Irritating above 25 ppm, more toxic toxic than other ketones. Causes narcosis and systemic injury. Corrosive to skin & eyes sensitization possible. Sharp odor. Liver & kidneys affected. Irritant to eyes. nose and throat. Narcosis producing. Category "A" Embryo Fetus hazard. Odor detected at 5-10 ppm. Skin absorption possible. Eye & skin irritant. Irritation to eyes, nose and throat; Narcosis producing. Toxicity similar to but less than hydro gen sulfide but odorless tolerable. IDLH is 400 ppm; odo threshold is .8 ppm. DPMC-14893 21 DPMC EXPOSURE GUIDELINES SUBSTANCE M Section (Cont'd.) DPMC GUIDELINES MINIMUM RESPIRATOR TWA________ STEL UNITS__________SELECTION (Requirements) Molybdenum (as Mo) Soluble 5.0 10.0 mg/m3 Disposable 3M 9900 dust mask or half-face mask with dual purple dust cartridges for catalyst handling. (Alpha) Methyl Styrene 50.0 100.0 ppm Above 50 ppm full face mask with dual black O.V. cartridges. N Section Naphthalene 10.0 15.0 ppm Above 10 ppm & up to 50 ppm full-face dual black O.V. cartridges. Nickel Subsulflde Nickel Oxide Nickel Chloride 15.0 300.0 25.0 UG/m3 UG/m3 UG/m3 Welding-Respirator use dependent on process used and ventilation. Catalyst - 3M 9920 mask, or full face mask with dual purple dust cartridges or airline mask for catalyst handling. Nickel Carbonyl, (as Ni) 0.001 - ppm Air supplied respirator only for all exposure potential. HEALTH DATA AND COMMENTS Long term lung effects possible. IDLH is 1000 ppm; Odor threshold is .12 ppm. Eye irritant and narcotic effects possible at high concentrations. Suspect lung cancer agent; high concen trations may cause pulmonary edema. Delayed respiratory system effects possible. 0 Section Organic Lead (Tetra Ethyl or Tetra Methyl) .075 - mg/m3 Air supplied respirator Skin absorption only for all exposure possible. "A" potential. Embryo Fetus hazard category. CHBT8501101 0021.0.0 LAM 013601 DPMC-14894 22 DPMC EXPOSURE GUIDELINES SUBSTANCE 0 Section (Cont'd.) Ozone DPMC GUIDELINES TWA STEL UNITS MINIMUM RESPIRATOR SELECTION (Requirements) 0.1 0.3 ppm Air supplied respirator only. P Section para-Benzoquinone 0.1 0.3 ppm Above 0.1 ppm & up to 10 ppm full-face mask with dual Black O.V. cartridges. Pentane 1000.0 1000.0 ppm Above 1000 ppm & up to 2000 ppm full-face mask w/red canister. Phenol 5.0 10.0 ppm Above 5 ppm & up to 50 ppm full-face mask w/dual black O.V. cartridges. UiiALTH DATA AND COMMENTS Lethal gas at low concentrations, odor threshold est. 2 ppm. Vapor/dust irri tating to corrosive to eyes. Irritant to eyes, respiratory system CNS depressant. Skin absorption possible. Odor threshold .02-.05 ppm. Skin bums and systemic toxicity possible. IDLH is 100 ppm. Phenyl Glycidyl Ether t S Section Sulfur Dioxide Sulfuric Acid Mist 10.0 15.0 ppm Above 10 ppm & up to 50 ppm full-face mask w/dual black O.V. cartridges. 2.0 ppm Above 5 ppm & up to 50 ppm half-face mask w/dual white cartridges. 1.0 - mg/m3 Full-face mask w/dual white AG cartridges w/dust covers above 1 mg/m3. CHBT8501101 0022.0.0 May cause Central Nervous System depression. Skin & eye irritant. Colorless with strong suffocating odor. Respiratory irritant. Eyes, nose, throat and'pulmonary irritation. LAM 013602 DPMC-14895 23 DPMC EXPOSURE GUIDELINES SUBSTANCE S Section (Cont'd.) DPMC GUIDELINES TWA STEL UNITS MINIMUM RESPIRATOR SELECTION (Requirements) Styrene, Monomer 100.0 200.0 ppm Above 100 ppm & up to 500 ppm half-face mask w/dual black O.V. cartridges. T Section Teflon (FEP) Welding Fumes (Fluoroethylenepropylene) Titanium Fume/Dust Toluene No Detectable Level Permitted 10.0 mg/m3 100.0 150.0 ppm Air supplied respira tors only for all exposure potential. Disposable 3M 9920 fume mask for oper ations which may exceed 10 mg/m3. Above 100 ppm & up to 1000 ppm half-face mask with black O.V. cartridges. Total (Nuisance Dust} 1,1,1, Trichloroethane (Methyl Chloroform or Shell Blend 100) Trichloroethylene 10.0 350.0 50.0 450.0 200.0 mg/m3 ppm ppm Disposable 3M 9900 Dust mask for oper ations which may exceed 10 mg/m3. Above 350 ppm and up to 1000 ppm half-face mask with black O.V. cartridge. Above 50 ppm & up to 1000 ppm half-face mask w/black O.V. cartridges. CHBT8501101 orm.n.n LAM 013603 HEALTH DATA AND COMMENTS Odor threshold 0.047 - 0.1 ppm. Eyes, nose and respira tory irritant. CNS depressant. Cate gory "A" Embryo Fetus hazard. Respiratory irri tation, FEP decom poses to Hydrogen Fluoride. Considered a nuisance dust hazard. Skin absorption possible. E.N.T. irritant. Odor threshold approx. 2-15 ppm. "A" category EmbryoFetus hazard. Long term lung effects suspected Mild chloroform odor. No flash point. CNS depres sant and dermatitis. Chronic liver hazard, narcotic effects. DPMC-14896 24 DPMC EXPOSURE GUIDELINES SUBSTANCE____________ T Section (Cont'd ) DPMC GUIDELINES MINIMUM RESPIRATOR TWA________ STEL UNITS_________ SELECTION (Requirements) Trimethylamine 10,0 15.0 ppm Above 10 ppm & up to 500 ppm full-face mask with green ammonia cartridges. 1,2,3-Trichloro- 5.0 7.5 ppm Above 5 ppm & up to Propane 50 ppm full face mask with black O.V. cartridges. HEALTH DATA AND COMMENTS Chloroform odor colorless, liquid, irritant, mild skin sensitizer. V Section Vanadium (Fume) 0.05 (as V) - mg/m3 High efficiency fume Oxides of Vanadium mask (purple cartridges are acutely toxic or 3M 9920), or airline possibly resulting mask as required depend in delayed respira ing on welding process tory system effects. and ventilation. Vinyl Chloride Monomer W Section Welding Fume Wood Dust: Hard Woods Soft Woods 1.0 5.0 ppm (No time limit associated with STEL.) Air supplied respirator only for all exposure potential. Suspect human car cinogen. "A" cate gory Embryo Fetus hazard. 5.0 - mg/m3 High efficiency fume Metal fume fever mask (purple cartridges from galvinized or 3M 9920), or airline metal; possible long mask as required depend term lung effects. ing on welding process and ventilation. 1.0 mg/m: 3M 9920 required above Possible lung limit. effect. 5.0 10.0 mg/m: 3M 9920 required above Possible lung limit. effect. CHBT8501101 0024.0.0 LAM 013604 DPMC-14897 25 SUBSTANCE X Section Xylene 2 Section Zinc Oxide Fume DPMC EXPOSURE GUIDELINES DPMC GUIDELINES TWA STEL UNITS MINIMUM RESPIRATOR SELECTION (Requirements) 100.0 150.0 ppm Above 100 ppm & up to 1000 ppm half-face mask w/dual black O.V. cartridges. HEALTH DATA AND COMMENTS Skin absorption possible. "A" category EmbryoFetus-hazard. Odor detected at 1.1 ppm 5.0 10.0 mg/m3 High efficiency fume Metal fume fever mask (purple cartridges from inhalation or 3M 9920), or airline of fumes. mask as required depending on welding process and ventilation. CHBT8501101 0025.0.0 LAM 013605 DPMC-14898 ge CL Cl Cl CL Oo _3 W oO 1 Ho CA o Bcu <n m Ba B CL BB ga g a oa o- a CL 00 00 a CL gg g oo CL Cu g ro o O o CM O 1I oooo m m m o ^"4 o o O o 'O' I o o o Ml m m in CM CM CM m *-4 hJ Cs3 H tA 1 X M $ OH s0O0 gPO' rH i s H oO v * 1 \ oo m -sr r* 1 m CM 1 CM o mm cn o l m CM rH o rH m m ^H m CM CM CM m rH DPMC EXPOSURE GUIDELINES CHBT8501101 0026.0.0 0) cU o 4) U 4) U 03 E 0) 4H 3 3 04 w \SL LAM 013606 rH 4} rH rH TD CO 03 0) 4) JC H 4- 4) W O x < H CO 03 rH C u M *H 4) H 0 0) O aX W CX rH 4J 0) c X rH g V tH C -< H o o 03 C 0 c o CL >> 4) C o c i--( rH rH H Jj 4J u a> O >> g 43 a> 4> 4= rH rH 3 a o O P-> u rH rH rH B 3 pH m oo 4} 0 4H 43 H C 4J rH c C H 00 CQ a> o rH 4J x: N g g H c CO Cl C CO 4) CO < < < ^ < < < : < < < < 03 DPMC-14899 UNITS STEL SHELL DPMC GUIDELINES TWA TLV-STEL V) EEBE a a Cl Q 00 a a CL a O 1 1 i 1 y--v U o pH o o o o m co m o o m u CM o in CM 0 GO u w co EE CL a EE CL a E CL CL CL a a 00 e* E E CL Cl & CL 4J in H o o O 6" rt o 1 1 i o o m iJ- o | mo ^h pH O' (0 C L 4J AJ c M o o o o in o o pH omoo o CM m o 1 O H o m 4> m P*H pH .C c/a O 1 m CM H o tO m pH Li <D rH 3 to lj o o o 0} Hu o o eoo 0) co o 00 4> m * CO ^H H 3 z o 1o m o o 1 1 o ^m4 O in pH I 1 in o * o o omo m CM o rH opH pH oO oo o CM *3* o in m cn o CO 1986 ACGIH TLV-TWA PEL-CEILING _ OSHA PEL-TWA ___ o pH 1O in in m CM m pH pH pH H | LAM 013607 4) C Li 4) /-n i-H Vh >v 4) 4J A Li 41 "0 HC A Li Li A rH pH o 41 E D < AA rH 0 4= 3 w rH > X 0 A 4) O 4i rH wA 4) C rH o o CJ X H a rH 4) UH pH Li O O pH < 3 pH a A XH u CO < 4) H pH 0 coo 4) 0 3 a 5n < H 3 a*o tH u A tH | pH < rH rH pH X Ss o 0) rH Xx >* Li A o Ll pH c LJ O o 4) pH HHO c <y A U 3 A o rH pH 4J 3 E 4) rH 3A 3 C H pH O AJ 4J A | pH C o a co CJ 3 3 1 Li E A c cm 0 OA * A A H r-s co co ah Li Li Li A CM 3 3 3 rH 1 1 4) 4) CO CO CO 43 A A pH A A A O C C CO U i DPMC-14900 SUBSTANCE CO m E-. m <n <r> M g E 2 O. a S3 go E CL a go go 00 (0 cn m E CL CL CL 00 00 00 Cu a- CL CO U3 2 M hS hJ W WH Q CO M 2 C O X PM Q <4 hJ 3 P W as CO o I t1 1 MH M> MM U CJ CJ m O o o mo CM o oo o m o *4 o 1l -- O in mo r m o --"M Oo * o o^ m o o m hJ w H CO as > M OH cj vO 0o0 3 P| > H oo 1 cn o m 11 1 WM M> MM M CJ CJ o o m# o CM | ^M o o o o 1 1 CM om mr-* o CM O o O -h o o p- m O o m I PQm *w S JJ o H1 o --* i CM O u 0) w 4) o CO m -< o o^ o o m om LAM 013608 c CO < O o *o o CJ c 4) H CM 00 CO pH .JJ CO Jj pi U a pH CJ JJ CO H C0 CO 1-1 jh jj /*S JJ CO pH C*4 H CO aa r--. 41 41 41 CQ X w 03 jj O > 43 pH JS O 4) CL 03 a Q J-i CO 03 CO CO G (4 a 41 41 pH a SH >,< pH jj u03 03 ao w 4) pH CJ co -U pH 3 03 H 0 5E Sh 4) Pu CO IM o v--' w 41 41 JJ co 3 aa x: p 0 LI LI JJ C 41* ^ o 41 X c 00 41 H *-L o r--1 Ucj c c2 < H CO 03 .c JS c2 wCO JJ 4) o S pH 4) 3 PL fa p <1 C CO t*J 3 P CO 41 o *H 3 H 41 N jj h rH U u pH N >> rU 4) CO rH 41 GO-' pH H 0 c C <T H <0 Q o JJ pH pH OC W 03 rH {S rH CO 4) CO CO X> CL Cl (0 41 H C 1 41 }m * CO <r CO O 03 c O 0 cj CJ o CJ *H CJ CO o a w a 3 HT H I cj o CJ'--1 *3 CM --' O o mo co H oo 03 CM as o oo DPMC-14901 UNITS STEL SHELL DPMC GUIDELINES TWA TLV-STEL EE Cl Cl Cl CL CL CL oO in O m r- in en E CL Ca G. u o as m cn ^ r- CL cl E CL E CL a E CL a E CL a E a. CL E CL & m *-- i 1 i I o sD cn o o s mm o r-* cn --h m o o mo r- m cn l m r-. in cn m CM O 1 cn * l l in l l in 04 o omm o r** cn o p-M m --H m cn i-M cn . 04 iI1 l1 in 1 l | 11 l 1986 ACGIH TLV-TWA PEL-CEILING OSHA PEL-TWA o mr-. cn t m 1 i i m i 1 cn m CM LAM 013609 Cm s 4) 4) 4J 44 4-1 w C 4) CO V 4-> U i--1 -H CO 4) 0 cc 4) Cd a oo 4) ts 44 C rl U -o 4J U X 0J 4) E 4) c ca 4) < o V- H 4) 4-1 O u CL 3 N *3 C cQ X 'T-t 4-1 H u e< f--< O vm SC CO H 4) U W 4) 44 < L U C 4-1 G >> C a 4) 0 H 1 G CO t*4 44 H X cd 0 > J 4) i-i -h as 4) iH E c >> E o X A) fH o fH 4) o >s 00 X c o u X o CJ CO *h n a 0 i--i 0 G CO CO fH 44 *3 i--4 H 5n CJ CO fH 0 L0 iH 0 oo 1--4 1 r-H X CJ cn f--1 4J 4) CJ 1 X cd cn i CJ X >> 4-> X 4J X 4J >, fH G cd X CJ u 44 4) 44 00 X H r--1 4) w 'w' a _:eg f4 f4 i-4 H 4J W a w ---M F- O * m H PQ CM O DPMC-14902 SUBSTANCE UNITS STEL SHELL DPHC GUIDELINES TWA TLV-STEL a6o. - e a0. S aa. CEO-. aPB- E aa. a6a m m rmH aaE q- CEau E aa. aaE E tne Cl Cl 00 c _ i i I m _ <r CN m o O O yi 4 m * *H o rH rH in m CN m rH CM 1m H 1 1 rH o O \n co m 1 rH CM * 1 1 1m fh mm 1 om o * rH m --t rH o m m rH CM CO a* I i ^H l 1 l 1 1 m CM I 1986 ACGIH TLV-TWA PEL-CEILING OSHA PEL-TWA o m * * CM rH O OO -- m m I I cm LAWl 013610 /O 4J 00 Cc Lt 4) /> H 0 rH }h rH 4) tO 4> o 0) 3 a c T3 H > AH AH CO H Li 03 U2 E O rH a O rH 0 rH rX rH 41 Li o to rH 0 c H u to ^H J- 3 4) 4) 4) x E 4) <o c C cO C a > to to tO to to to o O u AH AH U AH AJ 4= tO AH rH CO CO 4) C 4) CO C AH CO aX 4> 4) 1l 4) u a) UH H3 0 Mh h i-h a X 3 C -- CO oo 4) C r* C H C 4} 3 4) H 3 rH N 00 OO cr m O CO 0 0 o CO Lt L Li Li H 3 3 3 *3 CO to to to >\ w w w [x3 W W W C C DPMC-14903 SUBSTANCE UNITS STEL SHELL DPMC GUIDELINES TWA TLV-STEL 1986 ACGIH TLV-TWA 1 cng cn g 11 1 to 00 1 B e 1 1 1 11 I I 11 1 1 1 1 1 1 1 in 1 o o 11 o X 1 1 1 1 11 1 1 o QJ l o i--l X CO xH H CO > < cn cn g Cl P- 6 &. CL B Cl Cl B oc 00 e o 1 ^x i cn cn cn -"X. CBL BCl BQ00 CL Cl O xx 1 -O 1" o o Oo ooo o m o o < o iCnM oxx |X oo o mc o o in <n O cn OO mo CM o CM 1 ooo in o o CM m o CM cn 4) in xH c oo x o in 1 1 1 1 1 1 1 1 1 1 11 11 1 1 1 1 1 1 1 1 1 1 m. 1 o o 11 o o1 xh 1 1 1 1 ooooo m o o *0* o m CM oX J o m o o o o o o o mxx -O' m I ^x o o o O mxx o oCM CoM yX o Oo mo CM o CM y-s 00 s y--n CO wCO 4) xb o X JJ (0 3 O X 3 Px (0 Q) CO X wco CJ H 41 C6 CC 3 00 Ob u O *3 C3 M CO y-s 0) Ob CO N--COy V H3 H x o c 0 M * xH >N x J 4) y--n Z 4) c CM Q) d 4i CO C x CQ CL 0 cn i--COi xx1 xH O X o u xH < rH JJ 3 .3 0CO M B 4} e M3X rH 03b y--N oc X u 4) X 0 a 4) X 3 H xH Cln O U xH oo u B 3 4) CD H 4) JJ 0) ' C CO 4) CO 3 Cl a c oo *d 0 CO o CO 00 c CO CO Jx M M X Xo y--\ J H 3 CO 00 4) 0 Mc NX H X o >N xH u 3 a 4-1 H v CO 4) 4) XX o CJ rH 41 < 3 O rH 4-1 X 41 3^4 JJ 41 xH XX- >N Xu rH tJ O 3 xH CO >N XX JJ JJ 4) 41 XX LAM xX XX O o mo 00 H --* po cn Xo uo PEL-CEILING OSHA PEL-TWA SUBSTANCE DPMC-14904 r^ *3 U c CoJ Pu O eaa eao. aa. aa. aa. aa 60 aa a a. 63C 60 3 670 O X U3 o HCO o o o ooo vO o CO o ^o4 ol"4 m I- I u- o o ooo LO CM CM o O CM Omo m mom ^4 CM cn Om r- o I rn o o m o f4 om o moo m CM m m h oo o o o OX CM CM o m m of4 oW CO CO ccod X o o Xp0c mo CM o m CM o ooo mo LAM 013612 H c .O o c 4) ^-s *H U pH 4) H 4J c0 0/ OU X4J X44 e wW [xl 3 ^4 (0 rH H >, >v 4J ^ O 4J 44 CL i-H x < 3 3 CO O AOJ 44J) u o CO o CO Ju 4) *H X' X1 H ^4 H M X O E >J-> ^4 rH -4 H i--4 o >> >s >N O CQ X4J .C 44 X44 xo 4-) ^ X44 6) 4) Jy o CO X fH fH CO >* SS X4J VCQ/ a> c o X 4) x 3 C c 4) rH H aj CJ 4) CQ CQ X *3 X X 4J rH 4> a fH fH X a O < o CQ H XXX 4> *3 H 4) 44 *3 rH H 3 4) Vi CO X *3. H O ^4 C3O o Xo iH tH *--1 41 0) 4) **! X O o CJ H H H XX X o *-* o o mo 00 H cm pq m Xo oo DPMC-1490J UNITS STEL SHELL DPMC GUIDELINES TWA TLV-STEL in to a C&L B CL B C&L e aa a 6e CL ^ & W) e CL CL B cn <n oo m o CN cn cn 6e ^b0Oa.6C^ BB m m O m <>4 ^ a3> -- ^ cn m cn cn a> in r-* lm 1 CL M pH 4) > 4) -3 4) rM m ^M o U o o m w-3 e23 E-* H CM o m 4> U 0) * o z t o 1o o CM cn 1986 ACGIH TLV-TWA PEL-CEILING OSHA PEL-TWA in or-*. ^M Oo m m m m ^ CM LAM 013613 CO 4 ac Ba 3 fH U &L 4) bo ao CO 3 4J u cn *3 CO 4> o -H 3 <0 bHO O 4c) o c 3cr o N c 4) PS 4) 1 w pH CO S H Pm U *3 4) iH 4) U o 4) *3 *3 3 mH e 0 4) 3 5 a* c pH 4) E O >% Xo fH H O < o s Pm Ui SL Pl *j 3 pL o a * w a> E 4) H 3 CO pH o iH >. Li 3 Li 3 3 C 4) O 3 Li OO 3 *H 3 /--V 4) a 3 3 CO -M H 3 Z --< 3 3 w m ' a> iH CO coN CO Li CCLO 4-> c C4L) c4) Pm 3 4) C PL 4L fH 3 CO Ml pH 3 CO H 5un CO *H 3 UM fH 41 H ^Pl 3u H H iH3 o H 3U EO- H cn xcq con oo DPMC-14906 SUBSTANCE ON CO Hw ZX mm ^E^E GO 60 oE. O- EE E CL oE. CL & <n aE Cl O- 60 E cn in <n E EE E E a Cl a 60 60 Cl 60 EE E *o9 o9 o ox X 41 4) *9 *9 H H CO CD 4J C 9o oo mo o o in *3" O om m 41 o o o CM Nm tHcH *091 Os in H O9 i in 0) > H O o Om U 4cJq 'O o o CD O CO o tn c H o 1o --1 o o _ o m --t o o o mo m o oO in o > m cn H Oo oo mm oo o CO o CQ m oo o o -< m o m o I PU Q Oo in oo 1 I oo Om o lam 013614 41 1-1 41 u c 41 Co CO E CQ a o 0) a 9 XE jj 0) o s 4) c 0 i-i Cl Cl o <4-i o 4) O c o X 41 )-< o o rH U 4) 41 E b3 CJ z < H CO 03 3 CO 60 C H 0 1-1 i-H 0 X "H 9 >, 0 4= f-H 4J x 9 X C 41 CJ ^H H o a> o H 41 pH J-i 3 H r-H 03 oH >> rH ^H CQ Li o X H Li i-H X o cn 41 4) fH CM k z X J- H CO H C 41 H E E9 <0 pH pH XE X9 4J rH 4) *9 CQ rH c 1-i CQ S- > *9 rH CO CO u 9 9 o o0 4J o O X CD 3 3 o 9 O 9 U 4-1 U-i >, *9 CO O cH O o x CO >3 9 t*- 41 9 *H X 4) o c 4) a c X H X CM O o o in o oc H <r 03 cn Xo oo DPMC-14907 ,_X_ /-l C / VI l f M S C' iO lam 013580 DFIV1C 14873.1