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501An audit of performance in the AQC inspection of standard biological macro-invertebrate samples in 2002 : The Environment Agency (C00158/31)
502Final report of the controlled cohort investigations into the health effects of bathing in sewage contaminated coastal waters
503An investigation to determine the source of high levels of gamma-HCH in the Newlyn River during summer 1989
504An investigation into high concentrations of atrazine in surface waters and the increase in maize production in the Otter valley
505River Habitat Quality the physical character of rivers and streams in the UK and Isle of Man
506Investigation of flow distribution in a fracture zone at the Stripa mine, using the radar method, results and interpretation
507Biosensors for environmental monitoring : a review of capabilities and strategies for the future : consultant's report to the NRA
508An assessment of the causes of non-compliance with river quality standards within the River Tiddy catchment (1989-1991)
509Assessment of the feasibility of using image analysis in the oyster embryo-larval development and daphnia magna growth tests
510A review of the quality and status of the Suffolk and Essex estuaries and coastal waters : volume 1 : final draft
511An investigation into the frequency of discharge of three combined sewer overflows in the Afan/Kenfig catchment : TM/EAW/96/06
512Contaminants entering the sea : a report on contaminant loads entering the seas around England and Wales 1990-1993
513NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group
514Options for transfer of water from the River Trent and reservoir storage at Great Bradley : technical summary of the feasibility report
515Land use assessment of non-tidal main rivers in the southern region of the National Rivers Authority : report EX 2922
516PhD Research. Gary Stephen Rushworth. The role of aquatic macroinvertebrates within reedswamps
517POLICY & PRACTICE FOR THE PROTECTION OF GROUNDWATER - DRAWINGS
518The River Eden Demonstration Test Catchment (DTC) Data
5191967 - IBP Lake George, Uganda - starting to build the bedroom block
520Environmental snapshot for the East of England [version 1]
521The regulation of salmon angling in Great Britain
522Disturbing the season's due: plankton periodicity in Grassmere, 1987
523The Evaluation of Acoustic Doppler Current Profiler Equipment
524Modelling phytoplankton development in the proposed Cardiff Bay Barrage
525Dead zones, live markers: the biological environments of larger U.K. Rivers