Armistead Russell, Ph.D. Chairman, Air Monitoring and Methods ...

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Armistead Russell, Ph.D. Chairman, Air Monitoring and Methods ...

UNITED STATES ENVIRONMENTAL PROTECTION AGENCYWASHINGTON, D.C. 20460THE ADMINISTRATORArmistead Russell, Ph.D.Chairman, Air Monitoring and Methods SubcommitteeClear Air Scientific Advisory CommitteeScience Advisory BoardU.S. Environmental Protection Agency1200 Pennsylvania Avenue, NWWashington, D.C. 20460-000 1Dear Dr. Russell:Thank you for leadership during the September 29, 2011, and November 17, 2011, teleconference andthe January 27, 2012, Clean Air Scientific Advisory Committee review of the U.S. EnvironmentalProtection Agency's draft Near-Road Nitrogen Dioxide Monitoring Technical Assistance Document.The thoughtful comments offered by CASAC's Ambient Air Monitoring and Methods Subcommitteehave been exceptionally helpful to the EPA as we complete the technical assistance document and begindeploying near-road monitoring sites. These materials are already being used in sharing the goals andtechnical requirements for near-road monitoring sites with the state and local agencies deploying thesites.Please know that I truly appreciate the subcommittee's efforts, and I look forward to continuing to workwith all of you.Internet Address (URL) . http://wwwepa govRecycled/Recyclable Printed with Vegetable Oil Based Inks on 100% Postconsumer, Process Chlorine Free Recycled Paper


^^,,TED STA^ı>iTvZ z^^^^^^^°^1'TA EO' LPA OTUNITED STATES ENVIRONMENTAL PROTECTION AGENCYWASHINGTON, DC. 20460THE ADMINISTRATORJonathan M. Samet, M.D.ChairmanClean Air Scientific Advisory CommitteeScience Advisory BoardU.S. Environmental Protection Agency1200 Pennsylvania Avenue, NWWashington, D.C. 20460-0001Thank you for leadership during the September 29, 2011, and November 17, 2011, teleconference andthe January 27, 2012, Clean Air Scientific Advisory Committee review of the U.S. EnvironmentalProtection Agency's draft Near-Road Nitrogen Dioxide Monitoring Technical Assistance Document.The thoughtful comments offered by CASAC's Ambient Air Monitoring and Methods Subcommitteehave been exceptionally helpful to the EPA as we complete the technical assistance document and begindeploying near-road monitoring sites. These materials are already being used in sharing the goals andtechnical requirements for near-road monitoring sites with the state and local agencies deploying thesites.Please know that I truly appreciate the subcommittee's efforts, and I look forward to continuing to workwith all of you.Internet Address (URL) . http://wwwepa govRecycled/Recyclable Printed with Vegetable OIl Based Inks on 100% Postconsumer. Process Chlorine Free Recycled Paper

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