WARSAW, Poland (AP) — A new report says that scientific tests in Poland have found that extracting shale gas produces some toxic refuse but that the waste is reused and doesn't harm the environment.
The report was released Friday by the Polish Geological Institute, which carried out its a study last year when a company, Canadian Lane Energy, began test drilling near Lebien, in northern Poland.
Poland hopes shale gas will help it cut dependence on Russian natural gas. Its deposits are believed to be among Europe's largest.
The report said some highly toxic liquid and some solid refuse was obtained in the so-called hydraulic fracturing procedure, but that it was all either reused or utilized. Laboratory studies found no pollution to ground water, soil or air, it said.
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