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Portable gas detection instruments should be calibrated every 90-180 days and bump tested before each use. I am curios as which monitor they claim to be defective? I also am curious of what the TWA of H2S the deceased was exposed to.......
Portable gas detection instruments should be calibrated every 90-180 days and bump tested before each use. I am curios as which monitor they claim to be defective? I also am curious of what the TWA of H2S the deceased was exposed to.......