551 | An investigation into the frequency of discharge of three combined sewer overflows in the Afan/Kenfig catchment : TM/EAW/96/06 |
552 | Contaminants entering the sea : a report on contaminant loads entering the seas around England and Wales 1990-1993 |
553 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
554 | Options for transfer of water from the River Trent and reservoir storage at Great Bradley : technical summary of the feasibility report |
555 | The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England; |
556 | PhD Research. Gary Stephen Rushworth. The role of aquatic macroinvertebrates within reedswamps |
557 | POLICY & PRACTICE FOR THE PROTECTION OF GROUNDWATER - DRAWINGS |
558 | The River Eden Demonstration Test Catchment (DTC) Data |
559 | 1967 - IBP Lake George, Uganda - starting to build the bedroom block |
560 | Environmental snapshot for the East of England [version 1] |
561 | The regulation of salmon angling in Great Britain
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562 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |
563 | The Evaluation of Acoustic Doppler Current Profiler Equipment |
564 | Modelling phytoplankton development in the proposed Cardiff Bay Barrage
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565 | Dead zones, live markers: the biological environments of larger U.K. Rivers
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566 | The Impact Of Particulate Outputs Associated With Timber Harvesting |
567 | The evaluation of Grant/YSU 3800 water quality monitor |
568 | PVC : an evaluation using the Natural Step framework |
569 | Recommendations For The Processing And Presentation Of Groundwater Quality Data |
570 | Landfill and the water environment : NRA position statement |
571 | The vision for our environment : making it happen |
572 | Environment Agency guidance on the conditioning of intermediate level waste |
573 | Quality audit of biological samples for the 1991 river quality survey |
574 | Pesticides in the aquatic environment 1997 full report |
575 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994 |