Of the 12 Herbicides listed (2,4-D, Atrazine, etc.), activated carbon is the only treatment recommended.įor Organics, Pesticides, and Herbicides, the standard treatment, and in most cases the only treatment recommended, is activated carbon. In all 14 cases, activated carbon is the only recommended treatment. The EPA's Pesticides category lists 14 familiar poisons such as Aldicarb, Chlordane, Heptachlor, and Lindane. For the Organics category, the primary treatment in all cases and the only recommended treatment in most cases, is activated carbon. The maximum allowable level for trihalomethanes, which are suspected cancer causers and are present in virtually all chlorinated tap water, is only 1/10 of one part per million. e., virtually all water) is treated with chlorine.
To give an idea of the extensiveness of this list, a single one of the 32 items is "Total Trihalomethanes", a category made up of still uncounted chemicals, assumed to number in the thousands, that are formed when water containing organic matter (i. In this category the EPA lists 32 very nasty chemical contaminants - many with familiar names like benzene, 1,1 dichlorethylene, carbon tetrachloride, dioxin, styrene, toluene, chloroform, and vinyl chloride. The largest single section in the of the "EPA Regulated Water Contaminants" published in Water Technology magazine, is the section on Organics (including VOCs, or "Volatile Organics"). What It Does, What It Doesn't by Gene Franks
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