Chemicals used in hydraulic fracturing United States House of Representatives Committee on Energy and Commerce, PREPARED BY COMMITTEE STAFF FOR:
Henry A. Waxman, Ranking Member Committee on Energy and Commerce; Edward J. Markey, Ranking Member Committee on Natural Resources; and Diana DeGette, Ranking Member Subcommittee on Oversight and Investigations April 18, 2011.
Report no longer available at original link above (left as it was for reference) as often happens in governments (even more often at the AER)
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