| 551 | The precious resource : a brief guide to managing our water resources |
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| 552 | Quantification of the relationship between effluent quality and biological quality : final report |
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| 553 | Charging for discharges scheme : guidance to the agricultural industry |
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| 554 | Priority and other specific polluting substances and the Water Framework Directive |
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| 555 | 'Sea Vigil' water quality monitoring : the Humber estuary 1994 |
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| 556 | Evaluation of historical data on the nutrient status of Esthwaite Water, Cumbria
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| 557 | An Aerial Photograph of Ferry House and The Pearsall Building |
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| 558 | Review of existing practices for fluvial grass management throughout the NRA (213/1/Y) |
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| 559 | The interpretation of rod and net catch data |
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| 560 | Research and development in the Environment Agency : a short guide |
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| 561 | Problems with sea trout and salmon in the Western Highlands |
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| 562 | Clear Options towards an operational model for the Lee Valley Reservoirs |
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| 563 | The Cam catchment : recommendations for statutory water quality objectives |
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| 564 | The River Cam catchment management plan : annual monitoring report |
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| 565 | Guidance for estimating the air quality impact of stationary sources - GN 24 |
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| 566 | The National Centre for Toxic and Persistent Substances |
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| 567 | Acidification of freshwaters: the threat and its mitigation |
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| 568 | Pearl Mussel Image: First out of the blocks |
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| 569 | Statement on public consultation for the Dove CMP : July 1995 |
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| 570 | The Warwickshire Avon catchment management plan : final plan : October 1994 |
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| 571 | FWR - User guide for assessing the impact of combined sewer overflows |
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| 572 | The National Centre for Environmental Data and Surveillance : general leaflet |
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| 573 | Project management and the scheme of delegation : a summary guide : April 1995 |
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| 574 | The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual) |
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| 575 | The Use of Immuno Based Techniques for Chemical Analysis |
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