| 301 | Options for development of an enhanced team culture in the NRA, using the Welsh Regional Technical Department as an example |
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| 302 | Analysis of benthic macro-invertebrate samples collected by the NRA during 1989 and 1990 from various habitats in the River Delph |
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| 303 | An investigation into high concentrations of atrazine in surface waters and the increase in maize production in the Otter valley |
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| 304 | River Habitat Quality the physical character of rivers and streams in the UK and Isle of Man |
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| 305 | Investigation of flow distribution in a fracture zone at the Stripa mine, using the radar method, results and interpretation |
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| 306 | Biosensors for environmental monitoring : a review of capabilities and strategies for the future : consultant's report to the NRA |
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| 307 | An investigation into the frequency of discharge of three combined sewer overflows in the Afan/Kenfig catchment : TM/EAW/96/06 |
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| 308 | Contaminants entering the sea : a report on contaminant loads entering the seas around England and Wales 1990-1993 |
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| 309 | Land use assessment of non-tidal main rivers in the southern region of the National Rivers Authority : report EX 2922 |
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| 310 | PhD Research. Gary Stephen Rushworth. The role of aquatic macroinvertebrates within reedswamps |
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| 311 | POLICY & PRACTICE FOR THE PROTECTION OF GROUNDWATER - DRAWINGS |
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| 312 | 1967 - IBP Lake George, Uganda - starting to build the bedroom block |
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| 313 | The regulation of salmon angling in Great Britain
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| 314 | The Evaluation of Acoustic Doppler Current Profiler Equipment |
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| 315 | Modelling phytoplankton development in the proposed Cardiff Bay Barrage
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| 316 | Dead zones, live markers: the biological environments of larger U.K. Rivers
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| 317 | PVC : an evaluation using the Natural Step framework |
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| 318 | Landfill and the water environment : NRA position statement |
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| 319 | The vision for our environment : making it happen |
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| 320 | Environment Agency guidance on the conditioning of intermediate level waste |
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| 321 | Charging for discharges scheme : guidance to the agricultural industry |
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| 322 | Evaluation of historical data on the nutrient status of Esthwaite Water, Cumbria
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| 323 | An Aerial Photograph of Ferry House and The Pearsall Building |
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| 324 | Review of existing practices for fluvial grass management throughout the NRA (213/1/Y) |
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| 325 | The interpretation of rod and net catch data |
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