In a confined space that provides vertical access, responders can sample the air remotely either with tubing and a pump or by tying a rope to the four-gas meter and lowering it into the space.

Although many firefighters and rescuers feel confident with the basics of using a four-gas meter, or combustible ... Incorporating hazmat technicians into confined space rescue training and ...

Breathe easier in confined spaces with a properly charged, calibrated and maintained meter ... infuse it into our blood, a liquid. From there we pick up the waste products of the Krebs cycle, carbon ...