976 | A report on a baseline survey of the subtidal benthic communities within Portland Harbour (January 1997) |
977 | Linking hydrology and ecology : River Wissey : Annex B aquatic macrophytes of the River Wissey |
978 | Policy and practice for the protection of groundwater : regional appendix South West region |
979 | The available resource methodology : a framework for assessing water resources and abstraction availability : final report |
980 | Controlling the inputs of persistent chemical to marine waters from land-based sources |
981 | The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1 |
982 | Heavy metal contaminants in fish caught from the Mersey Estuary and inshore Liverpool Bay |
983 | A review of the industrial uses of continuous monitoring systems : minerals industry processes |
984 | Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development |
985 | Manual for the use of herbicides in or near water : April 1993 : final draft report |
986 | Direct toxicity assessment : a step towards better environmental protection within the UK : business strategy |
987 | Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales |
988 | Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd |
989 | Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model |
990 | An investigation of the Madford River pollution incident of 29 July 1989 : November 1989 |
991 | Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996 |
992 | The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T) |
993 | The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T) |
994 | The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T) |
995 | The evaluation of an ABB Kent-Taylor model 7135 hand-held dissolved oxygen meter (220/30/T) |
996 | An evaluation of discharge and consent compliance policy : a blueprint for the future |
997 | An evaluation of discharge and consent compliance policy : a blueprint for the future : letters from respondents |
998 | Definition of terms used in the assessment information management system (AIMS) : guidance note 5 |
999 | Monitoring the effects of a combined sewer overflow discharge to a small watercourse in South Wales |
1000 | Time of travel study on the River Wandle under two different flow conditions |