Document 4Jpb9pkBX7omD5Ly4eR7dzLNe

b. Compressed gas cylinders must be secured ver tically to an adequate support while in storage, transit, or use. The protective cap must be on during storage and transit. c. Keep oil and grease away from oxygen regu' lators, hose, and fittings. Do notstore wrenches. dies, cutters, or other grease-covered tools in the same compartment with oxygen equipment. d. All hoses, gauges, and torches should be inspec ted before use. e. Approved burning goggles must be worn. Use at least #3 filter, with a plastic cover plate on both sides of the filter. f. Never leave a torch in a vessel, tank, or other closed container because of the potential hazard of leakage. g. Never use oxygen to operate pneumatic tools, pressurize a container, blow out lines, or as a substitute for compressed air or other gases. h. Place cylinders and hoses where they are not exposed to sparks and slag frm a burning operation. i. Raise cylinders to upper level with approved rigging gear. Do not lift them with slings or by the protective cap. ). Do not strike an arc on cylinders, or use them as rollers. J. Compressed Air 1. Use only hoses and couplings designed-to handle compressed air. and inspect them before each use. 2. Never crimp, couple, or uncouple pressureized hose. Shut off valve and bleed down hose. 3. Compressed gases should not be used for cleaning clothing, workbenches, or machinery. 4. Do not support hoses from conduit, process lines, or fire lines. 18 K. Melting Pots and Kettles The potential for fire and serious bums is ever present when healing tar. pitch. Vitrabond. lead, and similar materials. 1. Keep equipment a way from any combustible struc ture. building, or material: and erect a barricade around the kettle. Lead pots may be used inside a building, only with approval from the Du Pont Administrator. 2. A Flame Permit is required before firing vessel. 3. Be sure melting chamber is vented: and inspect hoses, clamps, guages. tools, fuel tank, and bucket handles before starting. 4. Keep the area around the vessel free of tools and material to eliminate tripping hazards. 5. Two. 10 lb. dry chemical fire extinguishers must be within 30 feet of the vessel. One 4 lb. dry chemical fire extinguisher is adequate for lead pots. 6. Maintain careful temperature control with molten material to prevent accidental ignition. 7. Be sure all equipment, tools, and buckets are free of mositure to prevent "spattering" of'the hot liquid. S. Employees who charge and tend kettle and handle molten liquid in buckets should wear long sleeves, gloves tucked under sleeve cuffs and a full face shield. 9. Vapors are extremely irritating to the eyes. People* with sensitive skin should use protective cream ta prevent vapor "bums." 10. Erect barricades around any area where hot molten liquids are used overhead. L. Motor Vehicles and Power Equipment Vehicles and mobile equipment are not allowed on the site without prior approval from the Du Pont Admin istrator. and are to be driven by authonzed operators only. 1. The driver is responsible for the safety of all pas sengers and the stability of materials being hauled or handled by his equipment. 19 I one 9'09V7