New York state released a document detailing the components of “fracking fluid”, the mixture that is injected down wells to fracture the rock of shale gas fields to break up the rock and allow more of the gas to fow into the wells and be pumped to the surface. Story here, with link to the PDF mentioed above.
Recently there has been a lot of press about possible dangers to groundwater from these fluids. Drilling companies do not want to divulge the constituent chemicals – they claim it would be revelaing trade secrets. They probably want to avoid any environmental scrutiny as well. It looks like the drilling companies will get it, especially if they are drilling anywhere near groundwater supplies.
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