Health Advisory Level. A non-regulatory health-based chemical concentration in drinking water that results in no adverse health risks when a given amount of water is ingested over exposure periods ranging from one day to a lifetime.
health advisory level. The amount of a contaminant which may indicate a long-term potential for chronic health problems if discovered by a local water treatment plant, but which poses no immediate acute danger. See MCL.
Health Advisory Level. Health advisories provide additional information on certain contaminants. Health advisories are guidance values based on health effects other than cancer. These values are set for different durations of exposure (e.g., one day, ten day, longer term, and lifetime).