The Invisible Killer – How to Prevent H2S Exposure at Wellsites

There are many potential dangers at wellsites, and one of the most insidious is accidental inhalation of toxic gas. Hydrogen Sulfide—also known as H2S, sewer gas, swamp gas, stink damp, and sour damp—is a colorless gas known for its pungent “rotten egg” odor at low concentrations. H2S can be found at any wellsite, and the
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