| 1151 | The application and validation of in situ ecotoxicological assays at biologically and chemically incongruous sites (379/2/T) |
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| 1152 | A report on a baseline survey of the subtidal benthic communities within Portland Harbour (January 1997) |
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| 1153 | Linking hydrology and ecology : River Wissey : Annex B aquatic macrophytes of the River Wissey |
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| 1154 | Policy and practice for the protection of groundwater : regional appendix South West region |
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| 1155 | Controlling the inputs of persistent chemical to marine waters from land-based sources |
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| 1156 | An environmental assessment of mercury in mussels (Mytilus edulis L.) in the Mersey Estuary : final report |
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| 1157 | The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1 |
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| 1158 | Heavy metal contaminants in fish caught from the Mersey Estuary and inshore Liverpool Bay |
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| 1159 | Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development |
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| 1160 | Manual for the use of herbicides in or near water : April 1993 : final draft report |
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| 1161 | Direct toxicity assessment : a step towards better environmental protection within the UK : business strategy |
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| 1162 | Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd |
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| 1163 | Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model |
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| 1164 | An investigation of the Madford River pollution incident of 29 July 1989 : November 1989 |
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| 1165 | Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996 |
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| 1166 | The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T) |
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| 1167 | The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T) |
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| 1168 | The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T) |
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| 1169 | The evaluation of an ABB Kent-Taylor model 7135 hand-held dissolved oxygen meter (220/30/T) |
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| 1170 | Definition of terms used in the assessment information management system (AIMS) : guidance note 5 |
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| 1171 | Time of travel study on the River Wandle under two different flow conditions |
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| 1172 | The Natural (Baseline) Quality of Groundwaters in England and Wales - Magnesium Limestone of Yorkshire and Northumbria |
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| 1173 | Analysis of bacteriological contamination and accumulation of metals and organics in the mussel (Mytilus edulis) |
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| 1174 | Lower Lee fish mortalities associated with rainfall : including the event of 7/8th September 1993 |
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| 1175 | Integrated river corridor assessment : a pilot study of the rivers Wansbeck and North Tyne in Northumbria |
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