Sediment from a stream bed containing fracking wastewater (jars on the left) developed orange residues after 90 days; sediment from a clean stream bed (jar on the right) did not.

Sediment from a stream bed containing fracking wastewater (jars on the left) developed orange residues after 90 days; sediment from a clean stream bed (jar on the right) did not.

Credit:

Reid Frazier

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