| 1176 | An audit of performance in the processing of macro-invertebrate samples in 1992 |
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| 1177 | The application and validation of in situ ecotoxicological assays at biologically and chemically incongruous sites (379/2/T) |
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| 1178 | A report on a baseline survey of the subtidal benthic communities within Portland Harbour (January 1997) |
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| 1179 | Linking hydrology and ecology : River Wissey : Annex B aquatic macrophytes of the River Wissey |
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| 1180 | Policy and practice for the protection of groundwater : regional appendix South West region |
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| 1181 | The available resource methodology : a framework for assessing water resources and abstraction availability : final report |
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| 1182 | Controlling the inputs of persistent chemical to marine waters from land-based sources |
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| 1183 | The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1 |
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| 1184 | Heavy metal contaminants in fish caught from the Mersey Estuary and inshore Liverpool Bay |
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| 1185 | Manual for the use of herbicides in or near water : April 1993 : final draft report |
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| 1186 | Direct toxicity assessment : a step towards better environmental protection within the UK : business strategy |
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| 1187 | Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales |
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| 1188 | Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd |
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| 1189 | Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model |
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| 1190 | An investigation of the Madford River pollution incident of 29 July 1989 : November 1989 |
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| 1191 | Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996 |
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| 1192 | The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T) |
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| 1193 | The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T) |
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| 1194 | The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T) |
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| 1195 | The evaluation of an ABB Kent-Taylor model 7135 hand-held dissolved oxygen meter (220/30/T) |
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| 1196 | An evaluation of discharge and consent compliance policy : a blueprint for the future |
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| 1197 | An evaluation of discharge and consent compliance policy : a blueprint for the future : letters from respondents |
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| 1198 | Definition of terms used in the assessment information management system (AIMS) : guidance note 5 |
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| 1199 | Time of travel study on the River Wandle under two different flow conditions |
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| 1200 | The Natural (Baseline) Quality of Groundwaters in England and Wales - Magnesium Limestone of Yorkshire and Northumbria |
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