OSHA’s info bulletin for calibrating and testing direct-reading portable gas monitors
This Safety and Health Information Bulletin is not a standard or regulation, and it creates no new legal obligations. The Bulletin is advisory in nature, informational in content, and is intended to assist employers in providing a safe and healthful workplace
The information in this Safety and Health Information Bulletin (SHIB) provides workers and employers guidance on calibrating and testing direct-reading portable gas monitors (hereafter, "DRPGMs" or "instruments"). These instruments protect workers from unseen workplace gas hazards. Proper maintenance and calibration of the instruments ensures their accuracy in detecting worker exposure to harmful gases in the workplace. Follow the manufacturer's recommendations with regard to calibrating the instruments.