MSHA - Calibration Gas
1605C4-26-Q-00042
The Mine Safety and Health Administration (MSHA) requires a supply of a specific calibration gas mixture for its MSA Altair 4 gas monitors, which are used to monitor harmful gases in mines. The required gas is a mixture of Oxygen, Carbon Dioxide, Nitrogen Dioxide, and Methane, specifically the MSA Gas with Part # 10058171. These monitors must be calibrated daily to ensure accurate readings for enforcement activities.