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951An audit of performance in the processing of macro-invertebrate samples in 1992
952Development of the Acid Water Indicator Community (AWIC) Macroinvertebrate Family and Species Level
953The application and validation of in situ ecotoxicological assays at biologically and chemically incongruous sites (379/2/T)
954A report on a baseline survey of the subtidal benthic communities within Portland Harbour (January 1997)
955Policy and practice for the protection of groundwater : regional appendix South West region
956The available resource methodology : a framework for assessing water resources and abstraction availability : final report
957Controlling the inputs of persistent chemical to marine waters from land-based sources
958The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1
959A review of the industrial uses of continuous monitoring systems : minerals industry processes
960Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development
961Manual for the use of herbicides in or near water : April 1993 : final draft report
962Direct toxicity assessment : a step towards better environmental protection within the UK : business strategy
963Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales
964Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd
965Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model
966The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T)
967The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T)
968The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T)
969The evaluation of an ABB Kent-Taylor model 7135 hand-held dissolved oxygen meter (220/30/T)
970An evaluation of discharge and consent compliance policy : a blueprint for the future
971An evaluation of discharge and consent compliance policy : a blueprint for the future : letters from respondents
972Definition of terms used in the assessment information management system (AIMS) : guidance note 5
973Monitoring the effects of a combined sewer overflow discharge to a small watercourse in South Wales
974Time of travel study on the River Wandle under two different flow conditions
975The Natural (Baseline) Quality of Groundwaters in England and Wales - Magnesium Limestone of Yorkshire and Northumbria