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1026Policy and practice for the protection of groundwater : regional appendix South West region
1027The available resource methodology : a framework for assessing water resources and abstraction availability : final report
1028An environmental assessment of mercury in mussels (Mytilus edulis L.) in the Mersey Estuary : final report
1029The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1
1030A review of the industrial uses of continuous monitoring systems : minerals industry processes
1031Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development
1032Manual for the use of herbicides in or near water : April 1993 : final draft report
1033Direct toxicity assessment : a step towards better environmental protection within the UK : business strategy
1034Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales
1035Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd
1036Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model
1037An investigation of the Madford River pollution incident of 29 July 1989 : November 1989
1038Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996
1039The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T)
1040The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T)
1041The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T)
1042The evaluation of an ABB Kent-Taylor model 7135 hand-held dissolved oxygen meter (220/30/T)
1043An evaluation of discharge and consent compliance policy : a blueprint for the future
1044An evaluation of discharge and consent compliance policy : a blueprint for the future : letters from respondents
1045Definition of terms used in the assessment information management system (AIMS) : guidance note 5
1046Time of travel study on the River Wandle under two different flow conditions
1047Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000
1048Analysis of bacteriological contamination and accumulation of metals and organics in the mussel (Mytilus edulis)
1049Desktop study of methods for the monitoring of particulate emissions from positively pressurised baghouses
1050Lower Lee fish mortalities associated with rainfall : including the event of 7/8th September 1993