Organic or Inorganic

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The term, “organic” originally meant “made by an organism” but now it refers to chemical compounds containing the element carbon, in some form other than the simple carbonate minerals such as limestone. Inorganic generally refers to minerals dissolved in the water-salts, metals, “hardness,” corrosion products, etc. Over the years since pollution became an issue, organic came to mean man-made in factories-synthetic, and therefore unnatural and dangerous. Organic foodstuffs are those grown without the aid of synthetic pesticides and fertilizers. These trends in the language are dangerous, because they ignore significant inorganic hazards that are also the result of industrialized life, such as toxic corrosion products and asbestos. In water chemistry, the organic contaminants are either named individually or grouped with acronyms such as:

TOC = Total Organic Carbon .
NPTOC = Non-Purgeable TOC (purgeable CO2 [carbonate] removed first)
TOX = Total Organic Halide (containing chlorine, bromine, and/or iodine)
THM = Tri-Halogenated Methane
VOC = Volatile Organic Chemical
AOC = Assailable Organic Carbon (digestible by microbes)
NOM = Naturally-occurring Organic Matter
DBP = Disinfection By-Products