ࡱ> AC@ @ bjbj00 "6RbRb VVVVVVVj  tj4FFFFFFZ$R,VMFFMMVVFFMVFVFMVVF: >A cR044jjVVVVV,0":jj$ $ jj Standard Operating Procedures for Chemicals or Processes#1 Process (if applicable)Gas cylinders Use of compressed gas cylinders#2 Chemicals Compressed gas cylinder present hazards because of the volume of gas and the pressures involved. Leaking or vented inert gas can displace breathing air. This SOP is for nitrogen, argon, breathing air, helium, acetylene, oxygen, and hydrogen.#3 Personal Protective Equipment (PPE)Wear goggles. Gloves, face shield, lab coat or apron and/or respirator may be required for personal protection depending on the gas and use.#4 Environmental / Ventilation ControlsFittings and connections must be properly tested for leaks using a soapy water, 'Snoop' or other appropriate test system or meter. Do not use an open flame. #5 Special Handling Procedures & Storage RequirementsAll cylinders should be properly identified and the specific hazards of each cylinder should be known. Acetylene will explosively decompose at pressures >15 psig. Never use acetylene at >15 psig. Cylinders must be fastened securely at all times whether in use, transit, or storage. Cylinder safety caps must be in place whenever cylinders are not in use for an extended period of time or during transport. Proper valves and/or regulators for the specific gas must be used. Store and use cylinders in ventilated areas away from heat or ignition sources. When not in use, separate flammables and oxidizers. Transport large cylinders only on an approved dolly or cart. A dolly or cart is located in Dan Jaffes lab, UW2-241.#6 Spill and Accident ProceduresIf safe, turn the gas valve off. For cylinders that continue to leak, refer to the Laboratory Safety Manual section 9 or contact EH&S at 206-543-0467.#7 Waste Disposal Empty nontoxic or non-corrosive gas cylinders should be marked 'empty'. Call Joann Mull at UW Stores at 206-685-9345 to schedule a pick-up from the supplier. Empty gas cylinders that contained toxic or corrosive gases must be stored in a fume hood or well ventilated space while waiting for pick-up. For more information, see the Laboratory Safety Manual, section 3, Waste Management.#8 Special Precautions for Animal Use (if applicable)Particularly hazardous substance involved? YES:Blocks #9 to #11 are Mandatory X NO:Blocks #9 to #11 are Optional.#9 Approval RequiredN/A#10 DecontaminationN/A#11 Designated AreaN/AName: Christy Cherrier Title: Science Lab CoordinatorSignature: Date: 12/14/06 Environmental Health and Safety, Box 354400 *to be filled in by PI or Supervisor OHS form # 407 9:Wd8 _ e U V W   ! 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