| 576 | Biosensors for environmental monitoring : a review of capabilities and strategies for the future : consultant's report to the NRA |
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| 577 | An assessment of the causes of non-compliance with river quality standards within the River Tiddy catchment (1989-1991) |
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| 578 | Assessment of the feasibility of using image analysis in the oyster embryo-larval development and daphnia magna growth tests |
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| 579 | 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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| 580 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
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| 581 | 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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| 582 | Land use assessment of non-tidal main rivers in the southern region of the National Rivers Authority : report EX 2922 |
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| 583 | The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England; |
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| 584 | PhD Research. Gary Stephen Rushworth. The role of aquatic macroinvertebrates within reedswamps |
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| 585 | POLICY & PRACTICE FOR THE PROTECTION OF GROUNDWATER - DRAWINGS |
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| 586 | The River Eden Demonstration Test Catchment (DTC) Data |
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| 587 | 1967 - IBP Lake George, Uganda - starting to build the bedroom block |
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| 588 | Environmental snapshot for the East of England [version 1] |
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| 589 | The regulation of salmon angling in Great Britain
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| 590 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |
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| 591 | The Evaluation of Acoustic Doppler Current Profiler Equipment |
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| 592 | Modelling phytoplankton development in the proposed Cardiff Bay Barrage
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| 593 | Dead zones, live markers: the biological environments of larger U.K. Rivers
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| 594 | The Impact Of Particulate Outputs Associated With Timber Harvesting |
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| 595 | The evaluation of Grant/YSU 3800 water quality monitor |
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| 596 | PVC : an evaluation using the Natural Step framework |
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| 597 | Recommendations For The Processing And Presentation Of Groundwater Quality Data |
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| 598 | Landfill and the water environment : NRA position statement |
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| 599 | The vision for our environment : making it happen |
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| 600 | Environment Agency guidance on the conditioning of intermediate level waste |
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