H2S Gas is a naturally-generated gas that is formed when living matter decays, especially in an well water (no free oxygen). It can also be found in natural gas, volcanic gas, and in some well water. Hydrogen sulfide is heavier than air and Tends to settle in confined spaces such as pits, sumps, sewers and septic or manure tanks.
Some people mistakenly believe that Hydrogen Sulfide Gas is safe because it is a naturally-occurring substance. This is not the case - Mother Nature has done an impressive job of creating many highly toxic compounds. Take asbestos, anthrax, and botulinum, for example. -occurring substances can cause serious illnesses and even death. Hydrogen sulfide is part of this group of naturally-occurring, halible substances
H2S is a strong eye and respiratory tract irritant. Lengthy exposures at concentrations in the 2 to 5 part per million (ppm) range can cause tearing of the eyes, nausea, and headaches. Dizziness, fatigue, and irritability are symptoms associated with exposures at The 20 ppm level. Exposures at higherinations cause more serious symptoms such as apnea (low respiratory rate or no breathing) and rapid unconsciousness.
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