Description
Honeywell Ammonia 1 30 ppmv Tubes H 10 100 05 (10 Box) PORTABLE GAS MONITORS AND DETECTORS Largest display in its class FIXED GAS DETECTORS Size:32 x 32 PET01 S042CA00 Common regulatory references 29 Largest display in its class OSHA's ceiling limit for H2S is 20 ppm — meaning no worker exposure should exceed this value at any point during a shift (29 CFR 1910