924 resultados para Air Quality
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National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C.
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Mode of access: Internet.
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Transportation Department, Washington, D.C.
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Transportation Department, Office of Environmental Affairs, Washington, D.C.
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Mode of access: Internet.
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Mode of access: Internet.
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"An investigation conducted by Acurex Corporation, Mountain View, CA, sponsored by Naval Facilities Engineering Command"--Cover.
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Mode of access: Internet.
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Description based on: 79-008 (Oct. 1979).
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Principal investigators: Thomas J. Bierma, Daniel Swartzman.
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"Project no. 90.021."
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"Critical Trends Assessment Program."--Cover.
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"ITRC FR 97-2."
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Project no. 90.029.
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"Updated October 2003."