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Whymonitor water quality?

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in contaminated water samples collected by USGS and analysed at the NWQL. All detections of MCHM from the Elk River, from other a ected downstream rivers, and in tap water samples were below levels of concern established by health agencies. The USGS traced the chemicals over 630 kilometers downstream from the spill site.

  Samples, Water, Usgs, Water samples

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