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1351Report on US study tour of engineered wetlands for the treatment of waste water and mine drainage, March 1992
1352An audit of performance in the analysis of biological samples in 2000. Environment Agency : primary audit : C00158/10
1353Audit of priority species of rivers and wetlands : Marsh Fritillary in South Hampshire and the Isle of Wight
1354Low flows and water resources : facts on the top 40 low flow rivers in England and Wales
1355Chemical river quality 1993-1995 according to the general quality assessment (GQA) scheme [map] : scale 1 : 750 000
1356Foot and Mouth Disease Epidemic. Disposal of culled stock by burial : guidance and reference data for the protection of controlled waters
1357Water resources for the future : a strategy for Wales (Bilingual) : Adnoddau dwr ar gyfer y dyfodol (Bilingual)
1358Developing Quality Assurance for Fish Counter Data - Phase 1: An Assessment of the Salmonid Fish Counter Network in England and Wales
1359Thames estuary benthic programme : a site by site report on the results of macroinvertebrate surveys undertaken during 1990-91
1360Investigating the feasibility of using neural networks to derive chlorophyll a prediction algorithms for case 2 waters
1361NRA guidance on the acceptable leachable values for contaminated material to be deposited in Upper Tame catchment
1362River Glen : river channel assessment : annex C : an assessment of low flow characteristics of the River Glen, Lincolnshire
1363The development of macroinvertebrate keys using TWINSPAN classification : a manual for NRA biologists (001/10/W) : draft final report
1364NRA response to using water wisely : a consultation paper published by the DoE/Welsh Office July 1992
1365Environmental Impacts of Alkylphenol Ethoxylates and Carboxylates. Part 1 Proposals for the Development of Environmental Quality Standards
1366Investigating the effect of changing retention time in natural and artificial water bodies: Simulations using PROTECH-D
1367The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : study of natural wetlands
1368Audit of priority species of rivers and wetlands : white-clawed crayfish Austropotambius pallipes in South Hampshire and the Isle of Wight
1369Audit of priority species of rivers and wetlands : kingfisher Alcedo atthis in South Hampshire and the Isle of Wight
1370Torridge data report : biological monitoring of organic inputs to the study catchments using rapid biological assessment keys
1371An investigation into the presence of high levels of cadmium in sea-water samples from Mounts Bay, Cornwall
1372Water quality modelling in the Environment Agency (Report no.28) : present practice and future challenges : Water Quality Modelling Group workshop proceedings
1373The Menai Strait catchment management plan : action plan (bilingual) : Cynllun Rheoli Dalgylch Afon Menai; 1995 Cynllun Gweithredu
1374Audit of priority species of rivers and wetlands : Southern Damselfly Coenagrion mercuriale in South Hampshire and the Isle of Wight
1375Micro low flows average and low flow estimation in the SW region : validation of version 1.2 software