| 476 | The Evaluation of Acoustic Doppler Current Profiler Equipment |
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| 477 | Modelling phytoplankton development in the proposed Cardiff Bay Barrage
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| 478 | Dead zones, live markers: the biological environments of larger U.K. Rivers
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| 479 | The Impact Of Particulate Outputs Associated With Timber Harvesting |
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| 480 | The evaluation of Grant/YSU 3800 water quality monitor |
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| 481 | PVC : an evaluation using the Natural Step framework |
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| 482 | Recommendations For The Processing And Presentation Of Groundwater Quality Data |
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| 483 | Landfill and the water environment : NRA position statement |
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| 484 | Environment Agency guidance on the conditioning of intermediate level waste |
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| 485 | Quality audit of biological samples for the 1991 river quality survey |
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| 486 | Pesticides in the aquatic environment 1997 full report |
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| 487 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994 |
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| 488 | The precious resource : a brief guide to managing our water resources |
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| 489 | Quantification of the relationship between effluent quality and biological quality : final report |
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| 490 | Charging for discharges scheme : guidance to the agricultural industry |
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| 491 | Priority and other specific polluting substances and the Water Framework Directive |
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| 492 | Evaluation of historical data on the nutrient status of Esthwaite Water, Cumbria
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| 493 | An Aerial Photograph of Ferry House and The Pearsall Building |
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| 494 | Review of existing practices for fluvial grass management throughout the NRA (213/1/Y) |
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| 495 | The interpretation of rod and net catch data |
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| 496 | Research and development in the Environment Agency : a short guide |
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| 497 | Problems with sea trout and salmon in the Western Highlands |
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| 498 | Clear Options towards an operational model for the Lee Valley Reservoirs |
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| 499 | The Cam catchment : recommendations for statutory water quality objectives |
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| 500 | Guidance for estimating the air quality impact of stationary sources - GN 24 |
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