W. Pa. wells had casing failures in complaint area (AP)

[unable to retrieve full-text content]AP - At least two gas wells near a community that's complained of sudden drinking water pollution developed casing problems during the drilling process, but neither Rex Energy Corp. nor state environmental regulators disclosed those problems during recent discussions about the contamination.

Source: http://us.rd.yahoo.com/dailynews/rss/science/*http%3A//news.yahoo.com/s/ap/20120228/ap_on_re_us/us_gas_drilling_new_contamination

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