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CDC/ATSDR — Chesapeake Well Site Health Consultation: Interim Response, July 16, 2013

July 16, 2013

Mr. Paul D. Hagemeier
Vice President- Regulatory Compliance
Chesapeake Energy Corporation
P.O. Box 18496
Oklahoma City, OK 73154-0496

Mr. Hagemeier:

Your request for appeal under the Department of Health and Human Services/Centers for Disease Control and Prevention (HHS/CDC) Guidelines for Ensuring the Quality of Information Disseminated to the Public, submitted on behalf of the Chesapeake Energy Corporation is still under review. While our goal is to respond within 60 days to such requests, we are unable to do so in this case. We anticipate that a response will be forwarded to you by September 15, 2013.

Thank you for your interest in the quality of information disseminated by the Centers for Disease Control and Prevention/Agency for Toxic Substances and Disease Registry (CDC/ATSDR).



Barbara A. Ellis, Ph.D.
Acting Associate Director for Science,
National Center tor Environmental Health and
Agency for Toxic Substances and
Disease Registry

Last Revised: 7/23/2013