| http://www.w3.org/ns/prov#value | - MCLs are set as close to the MCLGs as feasible using the best available treatment technology. ??? Treatment Technique (TT) -- A treatment technique is a required process intended to reduce the level of a contaminant in drinking water. ??? Action Level (AL) -- The concentration of a contaminant which, if exceeded, triggers treatment or other requirements which a water system must follow. ??? Maximu
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