| 226 | An audit of performance in the analysis of biological samples in 1998. Environment Agency : primary audit |
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| 227 | Further investigation of the pilot borehole at Bean's Lane, Wortham (94/7/912) : September 1994 |
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| 228 | The Warwickshire Avon catchment management plan : consultation report summary (NRA Severn-Trent 44) |
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| 229 | An assessment of mercury contamination in the Red River catchment : final draft report |
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| 230 | Annual review of the Colne, Upper Lee, North London and Roding, Beam and Ingerbourne catchments |
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| 231 | An investigation into the water quality of a treated effluent from Hambleton Dairy, Todber, Dorset |
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| 232 | Old Bedford incorporating the Middle Level and Ouse Washes : consultation report - May 1997 |
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| 233 | Discharge consents and compliance : the NRA's approach to control of discharges to water |
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| 234 | Aldrin and dieldrin concentrations in the Newlyn catchment during 1991 an interim report |
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| 235 | Monitoring of the River Burn upstream and downstream of Burnham Market sewage treatment works 1999 |
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| 236 | Development of the Acid Water Indicator Community (AWIC) Macroinvertebrate Family and Species Level |
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| 237 | An environmental assessment of mercury in mussels (Mytilus edulis L.) in the Mersey Estuary : final report |
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| 238 | Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000 |
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| 239 | Catchment management plans : protecting and enhancing the water environment in an integrated manner |
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| 240 | Impact assessment of scour valve test at Roadford Reservoir on water quality of the River Lyd |
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| 241 | 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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| 242 | 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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| 243 | Local Environment Agency plan for the West Midlands Tame, 2nd annual review, July 2001 : local environment focus |
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| 244 | The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : study of natural wetlands |
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| 245 | Further monitoring of the impact of Crown Dale waste water treatment works final effluent on water quality |
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| 246 | The Blythe/Cole/Bourne catchment management plan : first annual review : July 1994 to July 1995 (NRA Severn-Trent 48)
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| 247 | The FBA-Welsh Water simulation model of phytoplankton dynamics in flushed systems. Authentication in a coastal lagoon |
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| 248 | Evaluating the impact of groundwater abstraction on key conservation sites, final report : Yare Broads and marshes (Strumpshaw Fen) |
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| 249 | Development of data and information sources on Natura 2000 estuarine sites in the north west : Morecambe Bay : final report |
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| 250 | Audit of priority species of rivers and wetlands : white-clawed crayfish Austropotambius pallipes in South Hampshire and the Isle of Wight |
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