H2S Gas
Facts about H2S aka “sour gas” H2S is heavier than air, accumulates in low-lying areas, and may travel along the ground. The danger with H2S lies in the fact that at higher concentrations, it does not obtain a noticeable odor. At low concentrations the smell is often is described as “rotten eggs” When unprotected workers, rescue workers, etc. are exposed to high concentrations…