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EP 1.23:73-032
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Fish and food organisms in acid mine waters of Pennsylvania |
1 |
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EP 1.23:73-035
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Environmental effects on toxaphene toxicity to selected fishes and crustaceans |
1 |
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EP 1.23:73-037
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Effect of silt and silt removal in a prairie lake |
1 |
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EP 1.23:73-041
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Thermal effects on eggs, larvae and juveniles of bluegill sunfish |
1 |
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EP 1.23:73-042
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Interaction between marine organisms and oil pollution |
1 |
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EP 1.23:73-045
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Effects of copper on the locomotor orientation of fish |
1 |
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EP 1.23:73-046
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The effects of methoxychlor on aquatic biota |
1 |
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EP 1.23:600/3-77-084
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Biological control of aquatic nuisances : a review |
1 |
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EP 1.23:600/3-77-086
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North American project : a study of U.S. water bodies : a report for the Organization for Economic Cooperation and Development |
1 |
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EP 1.23:600/3-82-025
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Leeches (Annelida : Hirudinea) of North America |
1 |
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EP 1.23:600/3-86/033
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Ecoregions of the Pacific Northwest |
1 |
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EP 1.23:600/3-86/054 a
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Western lake survey, phase I : characteristics of lakes in the western United States |
1 |
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EP 1.23:600/3-86/054 b
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Western lake survey, phase I : characteristics of lakes in the western United States |
1 |
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EP 1.23:600/3-86/058
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SARAH : a surface water assessment model for back calculating reductions in abiotic hazardous wastes |
1 |
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EP 1.23:600/3-87/007
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The Enhanced stream water quality models QUAL2E and QUAL2E-UNCAS : documentation and user model |
1 |
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EP 1.23:600/3-87/012
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MINTEQA1, an equilibrium metal specification model : user's manual |
1 |
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EP 1.23:600/3-87/015
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Processes, coefficients, and models for simulating toxic organics and heavy metals in surface waters |
1 |
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EP 1.23:600/3-87/039
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WASP4, a hydrodynamic and water quality model : model theory, user's manual and programmer's guide |
1 |
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EP 1.23:600/3-88/020
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SARAH2, a near field exposure assessment model for surface water |
1 |
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EP 1.23:600/3-88/029
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Protocols for short term toxicity screening of hazardous waste sites |
1 |