EPA guidelines for establishing Secondary Maximum Contaminant Levels (SMCLs), non-enforceable standards for nuisance contaminants that cause offensive taste, odor, color, corrosion, foaming, and staining.
SECONDARY DRINKING WATER STANDARDS
Meaning of SECONDARY DRINKING WATER STANDARDS in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012