| 376 | Regional water quality monitoring and surveillance programme for 1992 : quality investigations in controlled waters |
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| 377 | Performances of sewage treatment works discharging to an estuary : a marine environment or sensitive area : draft final report |
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| 378 | NRA baseline estuary and coastal waters monitoring programme |
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| 379 | Technical Summary - Appraisal of the Impact of Multiple Retailers Quality Assurance Schemes on the Environment |
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| 380 | River Lynher catchment river water quality classification 1990 |
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| 381 | Delabole Stream (abandoned minewater) water quality investigation (total zinc) |
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| 382 | Water quality archive determinand list |
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| 383 | Further Development and Testing Of Artificial Intelligence Systems for the Classification and Diagnosis of River Quality Based on Biological and Environmental Data |
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| 384 | The Distribution Of Phytoplankton And Nutrients In The North East Irish Sea During 1997; |
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| 385 | River Strat catchment river water quality classification 1990 |
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| 386 | Regional water quality monitoring and surveillance programme for 1993 : biological assessment of rivers : draft report |
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| 387 | National marine baseline survey manual Report No NC/mar/006 |
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| 388 | Water - nature's precious resource : comparative environmental appraisal of strategic options. vol. 2 appendices : supplementary report no. 8 |
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| 389 | A study to investigate and propose remedies for river quality problems in the Madford catchment |
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| 390 | Wash zone report. Part 1 : the Wash NRA monitoring review |
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| 391 | Welland and Witham estuaries : ecological study : final report (part 1 and part 2) |
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| 392 | Water quality 2000 : a strategy for the water quality function |
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| 393 | De-icing Chemicals: Priorities for Environmental Quality Standards Development |
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| 394 | Report for Anglian Water, NRA Unit on the uses of the Orwell and the Stour Estuaries and the use of the mathematical model to derive long term consent limits for all inputs to Orwell Estuary |
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| 395 | Water quality report 1990 |
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| 396 | Ecological effects of discharges from watercress farms on the chalk-streams of the NRA Wessex Region |
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| 397 | The control of effluent discharges by a direct toxicity assessment (DTA) approach |
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| 398 | The Restoration of Floodplain Woodlands in Lowland Britain |
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| 399 | Equipment for monitoring alternatives to biochemical oxygen demand and suspended solids (427/1/HO) : interim report |
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| 400 | Identified uses of tidal waters : volume 1 |
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