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Although last week's test on the American tap water by chemists claims to have detected the sex hormone estradiol -- found such vertebrate animals as birds, reptiles, and fish -- a more recent test conducted by the American Waterworks Association Research Foundation, says that San Francisco's "best tasting" H20 has come up sparkling clean.
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Results tagged “puritytest”
San Francisco's Tap Water Reigns Surpeme
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