1126 | The Environment Agency's risk portfolio : version 1.0 preliminary draft for comment December 1999 |
1127 | Aldrin and dieldrin concentrations in the Newlyn catchment during 1991 an interim report |
1128 | Scenarios for the operational implementation of remote sensing of snow by satellites : interim report (207/3/N) |
1129 | Monitoring of the River Burn upstream and downstream of Burnham Market sewage treatment works 1999 |
1130 | Macrophyte status of the Rivers Test and Itchen - Hampshire : summary report - October 1998 |
1131 | Nutrient export modelling on the River Bure, Norfolk : progress report 2 : June-July 1995 |
1132 | An audit of performance in the processing of macro-invertebrate samples in 1992 |
1133 | Development of the Acid Water Indicator Community (AWIC) Macroinvertebrate Family and Species Level |
1134 | The application and validation of in situ ecotoxicological assays at biologically and chemically incongruous sites (379/2/T) |
1135 | A report on a baseline survey of the subtidal benthic communities within Portland Harbour (January 1997) |
1136 | Linking hydrology and ecology : River Wissey : Annex B aquatic macrophytes of the River Wissey |
1137 | Policy and practice for the protection of groundwater : regional appendix South West region |
1138 | Controlling the inputs of persistent chemical to marine waters from land-based sources |
1139 | An environmental assessment of mercury in mussels (Mytilus edulis L.) in the Mersey Estuary : final report |
1140 | The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1 |
1141 | Heavy metal contaminants in fish caught from the Mersey Estuary and inshore Liverpool Bay |
1142 | Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development |
1143 | Manual for the use of herbicides in or near water : April 1993 : final draft report |
1144 | Direct toxicity assessment : a step towards better environmental protection within the UK : business strategy |
1145 | Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd |
1146 | Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model |
1147 | An investigation of the Madford River pollution incident of 29 July 1989 : November 1989 |
1148 | Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996 |
1149 | The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T) |
1150 | The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T) |