US lawmakers want ‘fracking’ chemicals revealed

Water Technology Online - Thursday, February 05, 2009

Geologist Geoffrey Thyne of the University of Wyoming, whose analysis of the large gas fields around Divide Creek found elevated methane and chloride levels in groundwater samples, said in the article, “They are injecting fluid that may or may not be hazardous into thousands of wells and not recovering all of it. We have to ask, what is in those fluids and where does the fluid go?”