Gas Detection limit ACGIH TLV TWA (ppm) Gas Detection limit ACGIH TLV TWA (ppm) Acetone 10 cc/min 500 Ammonia 5 ppm 25 Arsine 0.3 ppm 0.05 Benzene 10 cc/min 0.5 Carbon Monoxide 1 ppm 25 Chlorine 7 ppm

0.5 Diborane 0.15 ppm 0.1 11-Dichloroethane 10 cc/min 100 Ethanol 10 c/min 1000 Ethylene 1 cc/min N/A Ethylene Oxide 350 ppm 1 Formaldehyde 10 cc/min C 0.3 Freon 12 1 cc/min 1000 n-Hexane 10 cc/min 50

ppm 1 Methyl Chloride 50 ppm 50 Methyl Ethyl Ketone (MEK) 10 cc/min 200 Phosphine 0.13 ppm 0.3 Propane 1 cc/min 2500 Silane 0.3 ppm 5 Sulfur Dioxide 1 ppm 2 Toluene 10 cc/min 50 Trichloroethylene 10 cc

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