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1151Analysis of growth and survival of sea trout from the Welsh Dee: Interim Report, 2nd April 2000
1152Report on US study tour of engineered wetlands for the treatment of waste water and mine drainage, March 1992
1153An audit of performance in the analysis of biological samples in 2000. Environment Agency : primary audit : C00158/10
1154The faunal richness of headwater streams. Stage 3 : impact of agricultural activities. Volume 2 : appendices (Note 392)
1155Light scattering in sewage effluent: a study of the effects of angle of scatter an common light sources
1156Low flows and water resources : facts on the top 40 low flow rivers in England and Wales
1157Chemical river quality 1993-1995 according to the general quality assessment (GQA) scheme [map] : scale 1 : 750 000
1158Foot and Mouth Disease Epidemic. Disposal of culled stock by burial : guidance and reference data for the protection of controlled waters
1159Water resources for the future : a strategy for Wales (Bilingual) : Adnoddau dwr ar gyfer y dyfodol (Bilingual)
1160Developing Quality Assurance for Fish Counter Data - Phase 1: An Assessment of the Salmonid Fish Counter Network in England and Wales
1161Thames estuary benthic programme : a site by site report on the results of macroinvertebrate surveys undertaken during 1990-91
1162Investigating the feasibility of using neural networks to derive chlorophyll a prediction algorithms for case 2 waters
1163NRA guidance on the acceptable leachable values for contaminated material to be deposited in Upper Tame catchment
1164The development of macroinvertebrate keys using TWINSPAN classification : a manual for NRA biologists (001/10/W) : draft final report
1165NRA response to using water wisely : a consultation paper published by the DoE/Welsh Office July 1992
1166Environmental Impacts of Alkylphenol Ethoxylates and Carboxylates. Part 1 Proposals for the Development of Environmental Quality Standards
1167Investigating the effect of changing retention time in natural and artificial water bodies: Simulations using PROTECH-D
1168Audit of priority species of rivers and wetlands : kingfisher Alcedo atthis in South Hampshire and the Isle of Wight
1169Torridge data report : biological monitoring of organic inputs to the study catchments using rapid biological assessment keys
1170An investigation into the presence of high levels of cadmium in sea-water samples from Mounts Bay, Cornwall
1171Water quality modelling in the Environment Agency (Report no.28) : present practice and future challenges : Water Quality Modelling Group workshop proceedings
1172The Menai Strait catchment management plan : action plan (bilingual) : Cynllun Rheoli Dalgylch Afon Menai; 1995 Cynllun Gweithredu
1173Audit of priority species of rivers and wetlands : Southern Damselfly Coenagrion mercuriale in South Hampshire and the Isle of Wight
1174Micro low flows average and low flow estimation in the SW region : validation of version 1.2 software
1175The Blythe/Cole/Bourne catchment management plan : first annual review : July 1994 to July 1995 (NRA Severn-Trent 48)