1151 | Old Bedford incorporating the Middle Level and Ouse Washes : consultation report - May 1997 |
1152 | Old Bedford incorporating the Middle Level and Ouse Washes : second annual review : July 2000 |
1153 | Discharge consents and compliance : the NRA's approach to control of discharges to water |
1154 | Water pollution incidents in England and Wales - 1992 : report of the National Rivers Authority |
1155 | Aldrin and dieldrin concentrations in the Newlyn catchment during 1991 an interim report |
1156 | Scenarios for the operational implementation of remote sensing of snow by satellites : interim report (207/3/N) |
1157 | Monitoring of the River Burn upstream and downstream of Burnham Market sewage treatment works 1999 |
1158 | Nutrient export modelling on the River Bure, Norfolk : progress report 2 : June-July 1995 |
1159 | Development of the Acid Water Indicator Community (AWIC) Macroinvertebrate Family and Species Level |
1160 | The application and validation of in situ ecotoxicological assays at biologically and chemically incongruous sites (379/2/T) |
1161 | Linking hydrology and ecology : River Wissey : Annex B aquatic macrophytes of the River Wissey |
1162 | Policy and practice for the protection of groundwater : regional appendix South West region |
1163 | The available resource methodology : a framework for assessing water resources and abstraction availability : final report |
1164 | Controlling the inputs of persistent chemical to marine waters from land-based sources |
1165 | The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1 |
1166 | A review of the industrial uses of continuous monitoring systems : minerals industry processes |
1167 | Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development |
1168 | Manual for the use of herbicides in or near water : April 1993 : final draft report |
1169 | Direct toxicity assessment : a step towards better environmental protection within the UK : business strategy |
1170 | Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales |
1171 | Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd |
1172 | Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model |
1173 | An investigation of the Madford River pollution incident of 29 July 1989 : November 1989 |
1174 | Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996 |
1175 | The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T) |