Hydrogen Sulfide (H2S)
A toxic poisonous gas with a chemical composition of Hydrogen and Sulfur which is sometimes found mixed with and produced with fluids from oil and gas wells; industry recognized concentration levels above 0.00033 ppm
A toxic poisonous gas with a chemical composition of Hydrogen and Sulfur which is sometimes found mixed with and produced with fluids from oil and gas wells; industry recognized concentration levels above 0.00033 ppm