19 resultados para radon and progeny
em University of Michigan
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Mode of access: Internet.
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Mode of access: Internet.
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"6609-J."
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"September 1987."
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Principal investigators: Thomas J. Bierma, Daniel Swartzman.
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Publisher's advertisement at end.
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"February 1977."
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"April 1986"--Cover.
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Mode of access: Internet.
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"40 CFR Part 61, national emission standards for hazardous air pollutants."
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"March 1972."
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"EPA/625/6-91/032."
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Mode of access: Internet.
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Prepared for Illinois Dept. of Energy and and Natural Resources, Office of Research and Planning; principal investigators: Patricia Szczepanik Van Leeuwen, William H. Hallenbeck.
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"November, 1986."