volatile acids : Acids produced during digestion. Fatty acids which are soluble in water and can be steam-distilled at atmospheric pressure. Also called "organic acids." Volatile acids are commonly reported as equivalent to acetic acid.
environmental management international standards = ISO 21438-2:2009 Workplace atmospheres - Determination of inorganic acids by ion chromatography - Part 2: Volatile acids, except hydrofluoric acid (hydrochloric acid, ...
At least two general groups of of bacteri act in balance: saprophytic bacteria break down complex solids to volatile acids and methane fermenters break down the acids to methane, carbon dioxide, and water.
 See also: Pollutant, Wastewater, Mining, Reduce, Permits
  
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