| 376 | Assessment of the Trophic Status of Rivers using Macrophytes - supporting documentation for evaluation of the Mean Trophic Rank |
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| 377 | 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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| 378 | Biological investigation of the impact of Ivybridge sewage treatment works discharge to the River Erme, May 1991 |
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| 379 | Final report of the controlled cohort investigations into the health effects of bathing in sewage contaminated coastal waters |
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| 380 | Investigation of flow distribution in a fracture zone at the Stripa mine, using the radar method, results and interpretation |
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| 381 | Biosensors for environmental monitoring : a review of capabilities and strategies for the future : consultant's report to the NRA |
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| 382 | Assessment of the feasibility of using image analysis in the oyster embryo-larval development and daphnia magna growth tests |
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| 383 | A review of the quality and status of the Suffolk and Essex estuaries and coastal waters : volume 1 : final draft |
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| 384 | Contaminants entering the sea : a report on contaminant loads entering the seas around England and Wales 1990-1993 |
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| 385 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
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| 386 | Options for transfer of water from the River Trent and reservoir storage at Great Bradley : technical summary of the feasibility report |
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| 387 | The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England; |
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| 388 | PhD Research. Gary Stephen Rushworth. The role of aquatic macroinvertebrates within reedswamps |
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| 389 | POLICY & PRACTICE FOR THE PROTECTION OF GROUNDWATER - DRAWINGS |
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| 390 | The River Eden Demonstration Test Catchment (DTC) Data |
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| 391 | 1967 - IBP Lake George, Uganda - starting to build the bedroom block |
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| 392 | Environmental snapshot for the East of England [version 1] |
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| 393 | The regulation of salmon angling in Great Britain
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| 394 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |
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| 395 | The Evaluation of Acoustic Doppler Current Profiler Equipment |
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| 396 | Modelling phytoplankton development in the proposed Cardiff Bay Barrage
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| 397 | The evaluation of Grant/YSU 3800 water quality monitor |
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| 398 | PVC : an evaluation using the Natural Step framework |
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| 399 | Recommendations For The Processing And Presentation Of Groundwater Quality Data |
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| 400 | Landfill and the water environment : NRA position statement |
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