EP 1.2:P 76/30
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Pollution prevention : meeting the environmental challenges of the 1990s : Region 5 FY91 accomplishments. |
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EP 1.2:P 76/31/
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EP 1.2:P 76/32
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EP 1.2:P 76/34
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A field screening method for polychlorinated biphenyl compounds in water |
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EP 1.2:P 76/36
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Do you need help reducing harmful pollution in your community? |
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EP 1.2:P 76/37
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Air Pollution Control Technology Center |
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EP 1.2:P 76/38
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First American-Soviet Symposium on Chemical Pollution of the Marine Environment, Odessa, USSR, May 24 to 28, 1977 / |
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EP 1.2:P 76/39
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Pollution control in the U.S. : some examples of recent accomplishments / |
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EP 1.2:P 76/40
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Powell County, Montana air pollution abatement activity : pre-conference investigations / |
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EP 1.2:P 76/41
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NPDES permits for solid waste disposal facilities in waters of the United States - policy guidance memorandum. |
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EP 1.2:P 76/42
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Reducing air pollution from motor vehicles : developments in the in-use strategy. |
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EP 1.2:P 81/950-020
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Population and economic activity in the United States and standard metropolitan statistical areas, historical and projected, 1950-2020 / |
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EP 1.2:P 81/950-2020
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Population and economic activity in the United States and standard metropolitan statistical areas, historical and projected, 1950-2020 / |
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EP 1.2:P 81/1950-2020
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Population and economic activity in the United States and standard metropolitan statistical areas, historical and projected, 1950-2020 / |
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EP 1.2:P 82
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Economic impact analysis of effluent limitations and standards for the porcelain enameling industry / |
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EP 1.2:P 82/2/
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Portland study element / |
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EP 1.2:P 83
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Portfields : a coordinated approach to revitalizing ports. |
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EP 1.2:P 83/2
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An environmental management system primer for ports advancing port sustainability / |
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EP 1.2:P 83/3
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Renewable portfolio standards an effective policy to support clean energy supply. |
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EP 1.2:P 83/4
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Portland study interim analysis : observations on six months of vehicle operation. |
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