| 401 | Pesticides in the aquatic environment 1997 full report |
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| 402 | The precious resource : a brief guide to managing our water resources |
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| 403 | Quantification of the relationship between effluent quality and biological quality : final report |
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| 404 | Charging for discharges scheme : guidance to the agricultural industry |
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| 405 | Priority and other specific polluting substances and the Water Framework Directive |
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| 406 | 'Sea Vigil' water quality monitoring : the Humber estuary 1994 |
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| 407 | Evaluation of historical data on the nutrient status of Esthwaite Water, Cumbria
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| 408 | An Aerial Photograph of Ferry House and The Pearsall Building |
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| 409 | Review of existing practices for fluvial grass management throughout the NRA (213/1/Y) |
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| 410 | The interpretation of rod and net catch data |
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| 411 | Research and development in the Environment Agency : a short guide |
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| 412 | Problems with sea trout and salmon in the Western Highlands |
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| 413 | Clear Options towards an operational model for the Lee Valley Reservoirs |
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| 414 | The Cam catchment : recommendations for statutory water quality objectives |
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| 415 | Guidance for estimating the air quality impact of stationary sources - GN 24 |
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| 416 | Introductory guidance on the Agency's contribution to sustainable development (SD1) |
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| 417 | The National Centre for Toxic and Persistent Substances |
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| 418 | Algal blooms in the Lower Tees- Perspectives and prospects
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| 419 | Acidification of freshwaters: the threat and its mitigation |
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| 420 | Pearl Mussel Image: First out of the blocks |
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| 421 | FWR - User guide for assessing the impact of combined sewer overflows |
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| 422 | The National Centre for Environmental Data and Surveillance : general leaflet |
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| 423 | Project management and the scheme of delegation : a summary guide : April 1995 |
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| 424 | The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual) |
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| 425 | The Use of Immuno Based Techniques for Chemical Analysis |
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