1151 | Low flows and water resources : facts on the top 40 low flow rivers in England and Wales |
1152 | Chemical river quality 1993-1995 according to the general quality assessment (GQA) scheme [map] : scale 1 : 750 000 |
1153 | Foot and Mouth Disease Epidemic. Disposal of culled stock by burial : guidance and reference data for the protection of controlled waters |
1154 | Water resources for the future : a strategy for Wales (Bilingual) : Adnoddau dwr ar gyfer y dyfodol (Bilingual) |
1155 | Developing Quality Assurance for Fish Counter Data - Phase 1: An Assessment of the Salmonid Fish Counter Network in England and Wales |
1156 | Thames estuary benthic programme : a site by site report on the results of macroinvertebrate surveys undertaken during 1990-91 |
1157 | Investigating the feasibility of using neural networks to derive chlorophyll a prediction algorithms for case 2 waters |
1158 | NRA guidance on the acceptable leachable values for contaminated material to be deposited in Upper Tame catchment |
1159 | The development of macroinvertebrate keys using TWINSPAN classification : a manual for NRA biologists (001/10/W) : draft final report |
1160 | NRA response to using water wisely : a consultation paper published by the DoE/Welsh Office July 1992 |
1161 | Environmental Impacts of Alkylphenol Ethoxylates and Carboxylates. Part 1 Proposals for the Development of Environmental Quality Standards |
1162 | Investigating the effect of changing retention time in natural and artificial water bodies: Simulations using PROTECH-D |
1163 | Audit of priority species of rivers and wetlands : kingfisher Alcedo atthis in South Hampshire and the Isle of Wight |
1164 | An investigation into the presence of high levels of cadmium in sea-water samples from Mounts Bay, Cornwall |
1165 | Water quality modelling in the Environment Agency (Report no.28) : present practice and future challenges : Water Quality Modelling Group workshop proceedings |
1166 | The Menai Strait catchment management plan : action plan (bilingual) : Cynllun Rheoli Dalgylch Afon Menai; 1995 Cynllun Gweithredu |
1167 | Audit of priority species of rivers and wetlands : Southern Damselfly Coenagrion mercuriale in South Hampshire and the Isle of Wight |
1168 | Micro low flows average and low flow estimation in the SW region : validation of version 1.2 software |
1169 | The Blythe/Cole/Bourne catchment management plan : first annual review : July 1994 to July 1995 (NRA Severn-Trent 48)
|
1170 | Environmental assessment of Denver MRF : impact of freshwater flow on water quality of the Great Ouse estuary : draft working paper 3 |
1171 | Local Environment Agency plan for the West Midlands Tame, 2nd annual review, July 2001 : local environment focus |
1172 | Analytical method for the determination of acid herbicides in sandstone and chalk aquifer materials (Draft RanD note) P439/9/A |
1173 | Remote sensing and baseline monitoring of the coastal waters of England and Wales 1992-1993 : a survey report [external version] |
1174 | An investigation into the best method to combine national and local data to develop site-specific critical loads |
1175 | Summary report on blue-green algae toxin analysis, Toxicity Assessment and reporting to the Environment Agency, 1998 |