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751Analysis of growth and survival of sea trout from the Welsh Dee: Interim Report, 2nd April 2000
752Environmental protection draft report - united mines landfill appraisal of the disposal of waste from falmouth docks tip
753Report on US study tour of engineered wetlands for the treatment of waste water and mine drainage, March 1992
754The faunal richness of headwater streams. Stage 3 : impact of agricultural activities. Volume 2 : appendices (Note 392)
755Light scattering in sewage effluent: a study of the effects of angle of scatter an common light sources
756Foot and Mouth Disease Epidemic. Disposal of culled stock by burial : guidance and reference data for the protection of controlled waters
757Thames estuary benthic programme : a site by site report on the results of macroinvertebrate surveys undertaken during 1990-91
758Investigating the feasibility of using neural networks to derive chlorophyll a prediction algorithms for case 2 waters
759NRA guidance on the acceptable leachable values for contaminated material to be deposited in Upper Tame catchment
760NRA response to using water wisely : a consultation paper published by the DoE/Welsh Office July 1992
761Environmental Impacts of Alkylphenol Ethoxylates and Carboxylates. Part 1 Proposals for the Development of Environmental Quality Standards
762Investigating the effect of changing retention time in natural and artificial water bodies: Simulations using PROTECH-D
763Water quality modelling in the Environment Agency (Report no.28) : present practice and future challenges : Water Quality Modelling Group workshop proceedings
764Analytical method for the determination of acid herbicides in sandstone and chalk aquifer materials (Draft RanD note) P439/9/A
765Remote sensing and baseline monitoring of the coastal waters of England and Wales 1992-1993 : a survey report [external version]
766An investigation into the best method to combine national and local data to develop site-specific critical loads
767Summary report on blue-green algae toxin analysis, Toxicity Assessment and reporting to the Environment Agency, 1998
768NRA Thames region : audit surveys 1991/92 : a report on the re-surveys of selected reaches of river following maintenance dredging
769Anglian radar information project : report no. 5 : quantitative precipitation estimation with weather radar : problems and solutions for the National Rivers Authority
770The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : review of existing literature
771Further monitoring of the impact of Crown Dale waste water treatment works final effluent on water quality
772Algal growth in the impounded waters of a proposed barrage at Cardiff Bay : prediction using 1989 data
773Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk E in 2014
774Critical review of the proposals for a good practice guide on sustainability appraisal of regional planning guidance (DETR, August 1999)
775Front Cover of A Key to the British Species of Freshwater Cladocera, with Notes on their Ecology