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951A report on a baseline survey of the subtidal benthic communities within Portland Harbour (January 1997)
952Policy and practice for the protection of groundwater : regional appendix South West region
953The available resource methodology : a framework for assessing water resources and abstraction availability : final report
954Controlling the inputs of persistent chemical to marine waters from land-based sources
955The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1
956A review of the industrial uses of continuous monitoring systems : minerals industry processes
957Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development
958Manual for the use of herbicides in or near water : April 1993 : final draft report
959Direct toxicity assessment : a step towards better environmental protection within the UK : business strategy
960Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales
961Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd
962Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model
963The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T)
964The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T)
965The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T)
966The evaluation of an ABB Kent-Taylor model 7135 hand-held dissolved oxygen meter (220/30/T)
967An evaluation of discharge and consent compliance policy : a blueprint for the future
968An evaluation of discharge and consent compliance policy : a blueprint for the future : letters from respondents
969Definition of terms used in the assessment information management system (AIMS) : guidance note 5
970Monitoring the effects of a combined sewer overflow discharge to a small watercourse in South Wales
971Time of travel study on the River Wandle under two different flow conditions
972Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000
973Analysis of bacteriological contamination and accumulation of metals and organics in the mussel (Mytilus edulis)
974Desktop study of methods for the monitoring of particulate emissions from positively pressurised baghouses
975Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority