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Azaria Galvan
Physics
23 February, 23:35
What level of nitrates is considered clean water?
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Kenyon Zhang
23 February, 23:59
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The U. S. Environmental Protection Agency (EPA) standard for nitrate in drinking water is 10 milligrams of nitrate (measured as nitrogen) per liter of drinking water (mg/L). * Drinking water with levels of nitrate at or below 10 mg/L is considered safe for everyone.
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