American Petroleum Institute (API) Policy Position on Chemical Disclosure for Hydraulic Fracturing Operations

July 2010

Western Energy Alliance Testimony: EPA Hydraulic Fracturing Study Public Hearing

July, 13 2010

Frac Attack: Risks, Hype, and the Financial Reality of Hydraulic Fracturing in the Shale Plays

Tudor Pickering Holt & Co. and Reservoir Research Partners

July 2010

IPAMS Summary of revised Colorado Hydraulic Fracturing Rules

March 2010

IPAMS Scoping Comments on EPA Hydraulic Fracturing Study

March 2010

Measuring the Economic and Energy Impacts of Proposals to Regulate Hydraulic Fracturing

IHS Global Insight

July 2009

State Regulatory Statements on Hydraulic Fracturing

June 2009

State Oil and Natural Gas Regulations Designed to Protect Water Resources

Groundwater Protection Council and U.S. Department of Energy, Office of Fossil Energy National Energy Technology Labratory

May 2009

Evaluation of Impacts to Underground Sources of Drinking Water by Hydraulic Fracturing of Coalbed Methane Reservoirs

Environmental Protection Agency

June 2004