distinguish between water quality criteria pollutants and maximum contaminant levels, to do this you will need to tell me about the criteria pollutants? and then the maximum contaminant levels of pollutants.
Maximum Contaminant Level (MCL) - The highest level of a contaminant that is allowed in drinking water. [ EPA's compilation of national recommended water quality criteria is presented as a summary table containing recommended water quality criteria for the protection of aquatic life and human health in surface water for approximately 150 pollutants. Diversely maximum contaminant levels are or
Maximum Contaminant Levels (MCLs) are standards that are set by the United States Environmental Protection Agency (EPA) for drinking water quality. An MCL is the legal threshold limit on the amount of a substance that is allowed in public water systems under the Safe Drinking Water Act. The limit is usually expressed as a concentration in milligrams or micrograms per liter of water. ]
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