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951The available resource methodology : a framework for assessing water resources and abstraction availability : final report
952Controlling the inputs of persistent chemical to marine waters from land-based sources
953An environmental assessment of mercury in mussels (Mytilus edulis L.) in the Mersey Estuary : final report
954The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1
955Heavy metal contaminants in fish caught from the Mersey Estuary and inshore Liverpool Bay
956Manual for the use of herbicides in or near water : April 1993 : final draft report
957Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales
958Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd
959Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model
960An investigation of the Madford River pollution incident of 29 July 1989 : November 1989
961Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996
962The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T)
963The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T)
964The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T)
965The evaluation of an ABB Kent-Taylor model 7135 hand-held dissolved oxygen meter (220/30/T)
966Definition of terms used in the assessment information management system (AIMS) : guidance note 5
967Monitoring the effects of a combined sewer overflow discharge to a small watercourse in South Wales
968Time of travel study on the River Wandle under two different flow conditions
969The Natural (Baseline) Quality of Groundwaters in England and Wales - Magnesium Limestone of Yorkshire and Northumbria
970Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000
971Analysis of bacteriological contamination and accumulation of metals and organics in the mussel (Mytilus edulis)
972Lower Lee fish mortalities associated with rainfall : including the event of 7/8th September 1993
973River Teign corridor survey : prepared by Ecologue for the National Rivers Authority (South West Region)
974Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority
975YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk B in 2012