The level of a contaminant in drinking water below which there is no known or expected risk to health. MCLGs allow for a margin of safety. MCLGs are non-enforceable health goals.
Maximum Contaminant Level Goal (MCLG)
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The level of a contaminant in drinking water below which there is no known or expected risk to health. MCLGs allow for a margin of safety. MCLGs are non-enforceable health goals.
Which type of pipe is typically used in the construction of very large water mains?
A | asbestos-cement |
B | steel |
C | PVC |
D | galvanized |
Sample test question:
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A public water system which supplies water to 25 or more of the same people at least six months per year in places other than their residences. Some examples are schools, factories, office buildings, and hospitals which have their own…