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Ohio EPA tries to limit brine dumps in rivers http://apocadocs.com/s.pl?1297711615
Fast-growing interest in natural-gas drilling could create a flood of cash for Ohio cities eager to treat wastewater used to coax the gas from deep inside Utica and Marcellus shale.
But what's good for the cities might be bad for the state. The process could pollute Ohio streams and rivers, environmental officials say.... With the new drilling technique, called hydraulic fracturing, or "fracking," drillers shoot millions of gallons of water laced with industrial chemicals down the wells to break the shale and release the gas.
About 15 percent of the water shot down the well comes back up, tainted with salt and hazardous metals that can include barium, cadmium and chromium. After the initial surge of "flow back" water, wells continue to produce brine that contains even higher concentrations of salt, metals and minerals.
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[Read more stories about:
climate impacts, contamination, ecosystem interrelationships, fracking, health impacts, toxic leak, short-term thinking]
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'Doc Jim says:
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Brine sounds like a goldmine.
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