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1.
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Research Triangle Park, NC : Emission Standards Division, U.S. Environmental Protection Agency, Office of Air and Radiation, Office of Air Quality Planning and Standards ; Springfield, Va. : National Technical Information Service [distributor, 1996]
EP 4.8: AE 8/2/DRAFT |
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2.
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Research Triangle Park, N.C. : U.S. Environmental Protection Agency, Office of Air and Radiation, Office of Air Quality Planning and Standards ; Springfield, VA : National Technical Information Service [distributor, 1994]
EP 4.2: W 28/4 |
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3.
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Research Triangle Park, NC : U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, [1995]
EP 4.2: V 88/6 |
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4.
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Research Triangle Park, NC : U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, [1996]
EP 4.2: EC 7/5/FINAL |
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5.
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Research Triangle Park, N.C. : U.S. Environmental Protection Agency, Office of Air and Radiation, Office of Air Quality Planning and Standards, [1998]
EP 4.2: OR 3/9 |
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6.
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Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey : Open-File Reports Section [distributor], 1995.
I 19.76: 94-710-W |
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7.
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Washington : U.S. G.P.O. : For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office, 1998.
KF27 .S3935 1998a |
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8.
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Research Triangle Park, NC : U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, [1995]
EP 4.2: V 88/7 |
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9.
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Research Triangle Park, NC : U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, [1995]
EP 4.2: V 88/8 |
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10.
|
Research Triangle Park, NC : U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, [1995]
EP 4.2: V 88/9 |
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