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. I <br /> i <br /> uu <br /> TOXICITY ACTION LEVELS FOR GASOLINE <br /> (in ppm) if <br /> Action �f <br /> Instrument Calibration Gas Upgrade to Evacuate <br /> Level C � <br /> Photoionization meter"' Isobutylene 3 60' <br /> r; (Microtip with 10.0 to 10.2 eV 300— J <br /> V F <br /> lamp). <br /> f <br /> Flame-ionization meter Methane 5 100' <br /> (OVA-128) <br /> 500— <br /> # Photoionization instruments do not work and will not be used for work in high,'(>909o)humidity or"i <br /> rainy weather. <br /> L`, * for workers wearing 112 face respirators. <br /> ** for workers wearing full face respirators. <br /> TOXICITY ACTION LEVELS FOR DIESEL/NO. 2 FUEL OIL �! <br /> r (in ppm) <br /> L <br /> Action <br /> Instrument Calibration Gas Upgrade to Level C Evacuate I� <br /> Photoionization meter" Isobutylene 30 1 60' <br /> (Microtip with 10.0 to 10.2 300 <br /> eV lamp) ` <br /> Flame-ionization meter Methane 90 100' ;I <br /> (OVA-128) 500— <br /> s <br /> # Photoionization instruments do not work and will not be used for work in high (>90%) humidity or <br /> rainy weather. <br /> i <br /> 1 <br /> * for workers wearing 1/2 face respirators. <br /> ** for workers wearing full face respirators. <br /> 8050 z\hea1th\80.54\sihso <br />