It is easy for the petroleum industry to point at its fracking fluid as a means of distraction from the ENTIRE problem. I am quite confident the petroleum industry will pander to the EPA and attempt to change the content of the fracking fluid to satisfy the legitimate dangers these chemicals cause to human health, but, that fracking fluid alone is not the problem. The fracking operation and its products and by-products are as much the problem.
The fracking fluid is only the beginning of the problem. When the fracking fluid enters the ground and contaminates ground water and aquifers it also is melting rock and soil. The COMPONENTS of the MELTED rock and soils also become fluid and enter the ground water, too.
Then the fracking operation reaches the methane there is a rush of the gas to the surface. Methane will travel as a gas along the path of least resistance. The methane released from hydraulic fracturing (fracking) is under pressure and it is a lot of pressure. The land above the methane is over a mile and a half deep, that provides a lot of pressure to force the gas out of the deep earth chamber where it was contained. So what occurs is what is noted in this video. As a flow of methane is released through an open garden hose the volume of the methane increases as time goes by because the path of least resistance is under growing pressure from previously blocked routes.
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