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Disaster Advice Glossary
Disaster recovery and restoration can be veiled in mystery to the many who have not undertaken specific training. This glossary explains technical terms to assist both report writing and the understanding of those technical terms so often misunderstood.

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Definition
Anaerobic Decomposition:: The degradation oforganic materials by anaerobic organisms living in oxygen-deficient environments. In sewage rich soil, anaerobic decomposition can result in the increase of methane and hydrogen sulfide gas.
Hydrogen Sulfide: A rotten-egg fowl-smelling gas (H2S) produced during the anaerobic decomposition of organic material by bacteria and by the metabolism of sulfur-producing bacteria. The gasses are highly toxic to humans, and when the smell is present appropriate breathing devices must be worn. Health and Safety Note: Hydrogen sulfide is often found in the attached ground of substructural soil when it has been sewage contaminated with stagnant sewage sludge for some time. Old timers in the mining industry called this condition Stink Damp.

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