1226 | Discharge consents and compliance : the NRA's approach to control of discharges to water |
1227 | Water pollution incidents in England and Wales - 1992 : report of the National Rivers Authority |
1228 | Aldrin and dieldrin concentrations in the Newlyn catchment during 1991 an interim report |
1229 | Scenarios for the operational implementation of remote sensing of snow by satellites : interim report (207/3/N) |
1230 | Monitoring of the River Burn upstream and downstream of Burnham Market sewage treatment works 1999 |
1231 | Macrophyte status of the Rivers Test and Itchen - Hampshire : summary report - October 1998 |
1232 | Nutrient export modelling on the River Bure, Norfolk : progress report 2 : June-July 1995 |
1233 | An audit of performance in the processing of macro-invertebrate samples in 1992 |
1234 | Development of the Acid Water Indicator Community (AWIC) Macroinvertebrate Family and Species Level |
1235 | The application and validation of in situ ecotoxicological assays at biologically and chemically incongruous sites (379/2/T) |
1236 | A report on a baseline survey of the subtidal benthic communities within Portland Harbour (January 1997) |
1237 | Linking hydrology and ecology : River Wissey : Annex B aquatic macrophytes of the River Wissey |
1238 | Policy and practice for the protection of groundwater : regional appendix South West region |
1239 | The available resource methodology : a framework for assessing water resources and abstraction availability : final report |
1240 | Controlling the inputs of persistent chemical to marine waters from land-based sources |
1241 | An environmental assessment of mercury in mussels (Mytilus edulis L.) in the Mersey Estuary : final report |
1242 | The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1 |
1243 | Heavy metal contaminants in fish caught from the Mersey Estuary and inshore Liverpool Bay |
1244 | A review of the industrial uses of continuous monitoring systems : minerals industry processes |
1245 | Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development |
1246 | Manual for the use of herbicides in or near water : April 1993 : final draft report |
1247 | Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales |
1248 | Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd |
1249 | Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model |
1250 | An investigation of the Madford River pollution incident of 29 July 1989 : November 1989 |