Laserfiche WebLink
u� <br /> Health and Safety Plan 9 <br /> The Southland Corp-Store located at 1399 N Main St ,Manteca, CA September 19, 1996 <br /> Table 3 Option 1,Air Mondonng Actlon Levels <br />' Instrum ent• Function Mp-asurement Action <br /> Photoionization Oetector(MD) 10 2 eV Lamp <br /> Flame lonizatlon Detector FID Measures total arl lanlic vapors <br /> Verify benzene concentration using Background- 10 ppm Level D required <br /> detector tubes when 10 ppm PID <br /> reading has been sustained for >10-25 ppm Level D required,monitor for benzene with detector tube <br /> 5 minutes and,at a minimum, to determine concentration <br /> during every hour of sustained <br /> Level C work activities >25-250 ppm Upgrade to Level C Full-face cartridge respirator is <br /> cared <br /> 250- 1 200 ppm Upgrade to Level B Contact PM and HSS for guidance <br /> and approval <br /> >1,200 ppm Stop work Contact PM and HSS for guidance and <br /> approval <br /> 1 Benzene Detector Tubes 0-0 5 ppm Level D required <br /> >0 5-50 ppm Upgrade to Level C <br /> ' >50- 1,200 ppm Upgrade to Level B Contact PM and HSS for guidance <br /> and approval <br /> > 1,200 ppm Stop work Evacuate area Contact PM and HSS for <br /> guidance <br /> sNCombustimeter O EL Maasuree$oxygen tevet and <br /> A decrease Oz reading of D =20 9% Acceptable <br /> ' 0 1 percent(e g,20 9 percent to <br /> 20 8 percent)actually represents a OZ> 19 5-20 8% Verify reasons for Oi depletion with appropriate air <br /> change in the total air envelope of monitoring Instrumentation before work continues Utilize <br /> approximately 0 5 percent or appropriate engineering controis/PPE once atmospheric <br /> 5,000 ppm This represents little contaminants have been venfied <br /> ' hazard if the displacing gas is inert, <br /> if the displacing gas is Oz>20 9-22% Verify reasons for OZ enrichment before entering area <br /> toxiciflammable/reactrve,such a Utilize appropnate engineering controls/PPE to control Oz <br /> concentration represents a real enrichment atmosphere <br /> hazard <br /> 02;,-22°b Leave area immediately,this atmosphere is extremely <br /> flammable Noti PM or HSS for guidance <br /> 02<19 5% Leave area immediately,this atmosphere is oxygen <br /> ' deficient Verity reasons for Oz depletion with appropriate <br /> air mondonng instrumentation before work continues <br /> Utilize appropriate engineering controls/PPE once <br /> atmospheric contaminants have been verified <br /> L<10% Acce table conditions Continue normal activity <br /> LEL> 10% Leave area immediately Contact PM or HSS for <br /> guidance on venting and other safe measures <br /> ' *Note Instruments must be calibrated according to manufacturer's recommendations <br /> 1 <br /> I, FLUOR DANIEL GTI 90 <br />