Modern day portable gas detectors are quite reliable and accurate. For enhanced worker safety and to be fully compliant there is a little known concept called bump testing. Bump tests are crucial when it comes to protecting your workers from hazardous gases and other air-borne toxins.
You wouldn’t drive a vehicle without putting on your seat belt. You wouldn’t ride a bike without putting on a helmet. You don’t go to bed at night without locking your doors. When it comes to gas detection, safe and simple practices like these are no different.