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1301Controlling the inputs of persistent chemical to marine waters from land-based sources
1302An environmental assessment of mercury in mussels (Mytilus edulis L.) in the Mersey Estuary : final report
1303The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1
1304Heavy metal contaminants in fish caught from the Mersey Estuary and inshore Liverpool Bay
1305A review of the industrial uses of continuous monitoring systems : minerals industry processes
1306Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development
1307Manual for the use of herbicides in or near water : April 1993 : final draft report
1308Direct toxicity assessment : a step towards better environmental protection within the UK : business strategy
1309Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales
1310Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd
1311Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model
1312An investigation of the Madford River pollution incident of 29 July 1989 : November 1989
1313Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996
1314The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T)
1315The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T)
1316The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T)
1317The evaluation of an ABB Kent-Taylor model 7135 hand-held dissolved oxygen meter (220/30/T)
1318An evaluation of discharge and consent compliance policy : a blueprint for the future
1319An evaluation of discharge and consent compliance policy : a blueprint for the future : letters from respondents
1320Definition of terms used in the assessment information management system (AIMS) : guidance note 5
1321Monitoring the effects of a combined sewer overflow discharge to a small watercourse in South Wales
1322Time of travel study on the River Wandle under two different flow conditions
1323The Natural (Baseline) Quality of Groundwaters in England and Wales - Magnesium Limestone of Yorkshire and Northumbria
1324Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000
1325Analysis of bacteriological contamination and accumulation of metals and organics in the mussel (Mytilus edulis)