Blog

When isolating or ventilating a permit-required confined space, it is critical that a competent person on your team take meter readings with a 4-gas monitor for oxygen (O2), toxic gases and if applicable, combustible gases (VOCs) with a PID to determine if the processes have been effective. Of course you already know this if you or your company are performing this type of work. But are you measuring for the correct PEL levels? PEL limits change with some regularity, and what may be r …