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1276Linking hydrology and ecology : River Wissey : Annex B aquatic macrophytes of the River Wissey
1277Policy and practice for the protection of groundwater : regional appendix South West region
1278The available resource methodology : a framework for assessing water resources and abstraction availability : final report
1279Controlling the inputs of persistent chemical to marine waters from land-based sources
1280The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1
1281A review of the industrial uses of continuous monitoring systems : minerals industry processes
1282Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development
1283Manual for the use of herbicides in or near water : April 1993 : final draft report
1284Direct toxicity assessment : a step towards better environmental protection within the UK : business strategy
1285Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales
1286Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd
1287Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model
1288An investigation of the Madford River pollution incident of 29 July 1989 : November 1989
1289Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996
1290The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T)
1291The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T)
1292The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T)
1293The evaluation of an ABB Kent-Taylor model 7135 hand-held dissolved oxygen meter (220/30/T)
1294An evaluation of discharge and consent compliance policy : a blueprint for the future
1295An evaluation of discharge and consent compliance policy : a blueprint for the future : letters from respondents
1296Definition of terms used in the assessment information management system (AIMS) : guidance note 5
1297Monitoring the effects of a combined sewer overflow discharge to a small watercourse in South Wales
1298Time of travel study on the River Wandle under two different flow conditions
1299The Natural (Baseline) Quality of Groundwaters in England and Wales - Magnesium Limestone of Yorkshire and Northumbria
1300Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000