Quantcast Controlling  Fumes

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TM 10-6640-233-10     Make sure that chemical containers having vent caps are inspected, and that containers which do not have vent caps are vented periodically.     Keep containers of volatile liquids as cool as possible.  Exercise caution  in  releasing  any  pressure  which  may have formed in the container; always release the pressure gradually.  Remove caps or stoppers periodically to vent the vapor.  The practice of venting containers of volatile liquids does not apply to those samples collected for vapor pressure tests. ·     Vent separator funnels frequently when shaking volatile liquids.  Always wrap the funnel with a rag when shaking an extremely volatile liquid. ·    Store propane cylinders in the safety storage cabinet for flammable liquids. 1-12. Controlling  Fumes.    The  following  safety  precautions  are  presented  to  aid  operators  of  the  laboratory  in controlling toxic fumes. ·    Make certain the laboratory is properly ventilated at all times. ·    Perform all gas alarm system tests and calibrations as specified to ensure proper operation of system. ·     If any material is spilled which gives off toxic fumes, all personnel should leave the area immediately and return only after the area has been adequately purged. 1-13.      Electrical Safety.  The following electrical safety precautions apply to all operators and maintenance personnel for the laboratory. ·    Equipment producing a tingle sensation will be reported promptly for repair. ·    Keep the use of extension cords to a minimum and the cords as short as possible.  Be sure insulation and wire size are adequate for the voltage and current to be carried. ·     Work  on  electrical  devices  should  be  done  after  the  power  has  been  disconnected  or  shut  off,  and  suitable precautions taken to keep the power off during the work. ·     Never use metallic pencils or rulers, or wear rings or watches when working on electrical equipment. ·     Avoid using or storing flammable liquids near electrical equipment. 1-4


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