![flint residential tap water samples above 15 parts per billion](https://www.azavea.com/wp-content/uploads/2017/08/restapwaterpoints_15.png)
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restapwaterpoints_15
Published at 816 × 1056 in Interpolating Lead Levels from Tap Water Samples Following the Flint Water Crisis
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Published at 816 × 1056 in Interpolating Lead Levels from Tap Water Samples Following the Flint Water Crisis