| 276 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk C in 2013 |
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| 277 | An audit of performance in the analysis of biological samples in 1998. Environment Agency : primary audit |
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| 278 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report summary : November 1994 |
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| 279 | Proceedings of the conference National Minewaters 20th -21st April 1998 Tapton Hall Sheffield University |
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| 280 | Catchment management plans : protecting and enhancing the water environment in an integrated manner |
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| 281 | An audit of performance in the analysis of biological samples in 1998. Environment Agency : AQC audit |
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| 282 | Microbiological examination of coastal waters in the North West : summary of results 1998 |
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| 283 | Distribution of Macroinvertebrates in English and Welsh Rivers based on the 1995 Survey |
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| 284 | An audit of performance in the analysis of biological samples in 1999. Environment Agency : primary audit |
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| 285 | The disposal of sheep dip waste (R and D Report 11) : effects on water quality |
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| 286 | Routine laboratory water sample data for the Wensum Demonstration Test Catchment's monitoring kiosk F |
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| 287 | Quantification of the relationship between effluent quality and biological quality : interim report for stage 1 |
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| 288 | Bathing water quality in England and Wales in 1995 : report of the National Rivers Authority |
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| 289 | Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000 |
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| 290 | An investigation into the water quality of a treated effluent from Hambleton Dairy, Todber, Dorset |
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| 291 | Report on two electrofishing surveys carried out between July 10-25 1978 and July 9-12 1979 on the proposed Kielder Water
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| 292 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk F in 2013 |
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| 293 | Investigation into algal bloom conditions in three fresh water ponds located at the Miniature Pony Centre, Mortonhampstead (1996) |
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| 294 | Chemical river quality 1993-1995 according to the general quality assessment (GQA) scheme [map] : scale 1 : 750 000 |
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| 295 | The development of macroinvertebrate keys using TWINSPAN classification : a manual for NRA biologists (001/10/W) : draft final report |
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| 296 | Water quality modelling in the Environment Agency (Report no.28) : present practice and future challenges : Water Quality Modelling Group workshop proceedings |
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| 297 | Local Environment Agency plan for the West Midlands Tame, 2nd annual review, July 2001 : local environment focus |
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| 298 | The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : review of existing literature |
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| 299 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk E in 2014 |
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| 300 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk E in 2012 |
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