| 976 | Policy and practice for the protection of groundwater : regional appendix South West region |
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| 977 | The available resource methodology : a framework for assessing water resources and abstraction availability : final report |
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| 978 | Controlling the inputs of persistent chemical to marine waters from land-based sources |
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| 979 | An environmental assessment of mercury in mussels (Mytilus edulis L.) in the Mersey Estuary : final report |
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| 980 | The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1 |
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| 981 | Heavy metal contaminants in fish caught from the Mersey Estuary and inshore Liverpool Bay |
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| 982 | A review of the industrial uses of continuous monitoring systems : minerals industry processes |
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| 983 | Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development |
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| 984 | Manual for the use of herbicides in or near water : April 1993 : final draft report |
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| 985 | Direct toxicity assessment : a step towards better environmental protection within the UK : business strategy |
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| 986 | Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales |
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| 987 | Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd |
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| 988 | Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model |
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| 989 | An investigation of the Madford River pollution incident of 29 July 1989 : November 1989 |
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| 990 | Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996 |
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| 991 | The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T) |
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| 992 | The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T) |
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| 993 | The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T) |
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| 994 | The evaluation of an ABB Kent-Taylor model 7135 hand-held dissolved oxygen meter (220/30/T) |
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| 995 | An evaluation of discharge and consent compliance policy : a blueprint for the future |
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| 996 | An evaluation of discharge and consent compliance policy : a blueprint for the future : letters from respondents |
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| 997 | Monitoring the effects of a combined sewer overflow discharge to a small watercourse in South Wales |
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| 998 | Time of travel study on the River Wandle under two different flow conditions |
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| 999 | The Natural (Baseline) Quality of Groundwaters in England and Wales - Magnesium Limestone of Yorkshire and Northumbria |
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| 1000 | Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000 |
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