A non-regulatory health-based reference level of chemical traces (usually in ppm) in drinking water at which there are no adverse health risks when ingested over various periods of time. Such levels are established for one day, 10 days, long-term and life-time exposure periods. They contain a wide margin of safety.
HEALTH ADVISORY LEVEL
Meaning of HEALTH ADVISORY LEVEL in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012