| http://www.w3.org/ns/prov#value | - Those solids are taken to a landfill, leaving more than 95 percent of the water clean enough to be reused for fracking.Other operators, such as Salt Lake City-based Pure Stream, offer two technologies -- one that cleans water so it can be reused in the oil patch and another more expensive system that renders it clean enough to be dumped into rivers and lakes or used in agriculture.Todd Ennenga, Pu
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