Texas forces firms to open up on 'fracking' | The Independent

For years, the industry in the US has refused to declare what toxic chemicals it uses during fracking, saying that to do so would amount to revealing trade secrets.
The Lone Star state's Governor, Rick Perry, quietly signed a law last week which forces gas companies to publish a list of the 600 or so substances they add to a mixture of water and sand during the process. This mixture then gets fired deep underground at high pressure to release deposits of gas locked up in formations of shale and other rocks.
The film GasLand, which was nominated for this year's Best Documentary Oscar, showed a homeowner in Weld County, Colorado, holding a cigarette lighter over his kitchen sink. When he turned on the tap, flammable gas emerged from it. The homeowner blamed the phenomenon on nearby fracking projects
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