The headlines, “Three more killed in confined space” and “Six people are dead, including a teenager” both appeared in the last few months. While OSHA is still investigating the latter, two factors led to these deaths — working with manure in confined spaces and the potential presence of hydrogen sulfide (H2S) gas.
Require gas monitor for safe maintenance
Items needed for "bump testing" a gas monitor. This procedure ensures the monitor's accurate reading of parts per million of a specific gas by introducing a controlled amount of calibration gas to the monitor.





