Τετάρτη 12 Αυγούστου 2015

Colorado Mine Spill Aftermath: How to Clean a River

An accidental breach by an EPA cleanup crew sent 3 million gallons of acidic, heavy-metal-laden water into Colorado's waterways. How do you clean up a river? The answer is twofold: treatment and dilution.

via LiveScience.com http://ift.tt/1L5BDYL

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