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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
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Hog95 Hog95
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9 years ago
Why did Congress require the Environmental Protection Agency to establish minimum drinking water standards?
A) Long-term exposure to small amounts of chemicals was proven to be hazardous.
B) Levels of contaminants in municipal drinking water systems rose to toxic levels.
C) The long-term effects of small amounts of chemical contamination were unknown.
D) Laboratory detection limits of common contaminants became much more sensitive.
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GeoExpGeoExp
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9 years ago
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Hog95 Author
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#2
9 years ago
Thank you.
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#3
9 years ago
You're welcome. Please mark it solved when you get a chance.
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