876 | Policy and practice for the protection of groundwater : regional appendix South West region |
877 | The available resource methodology : a framework for assessing water resources and abstraction availability : final report |
878 | Controlling the inputs of persistent chemical to marine waters from land-based sources |
879 | The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1 |
880 | A review of the industrial uses of continuous monitoring systems : minerals industry processes |
881 | Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development |
882 | Manual for the use of herbicides in or near water : April 1993 : final draft report |
883 | Direct toxicity assessment : a step towards better environmental protection within the UK : business strategy |
884 | Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales |
885 | Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd |
886 | Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model |
887 | The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T) |
888 | The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T) |
889 | The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T) |
890 | The evaluation of an ABB Kent-Taylor model 7135 hand-held dissolved oxygen meter (220/30/T) |
891 | An evaluation of discharge and consent compliance policy : a blueprint for the future |
892 | An evaluation of discharge and consent compliance policy : a blueprint for the future : letters from respondents |
893 | Definition of terms used in the assessment information management system (AIMS) : guidance note 5 |
894 | Time of travel study on the River Wandle under two different flow conditions |
895 | Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000 |
896 | Analysis of bacteriological contamination and accumulation of metals and organics in the mussel (Mytilus edulis) |
897 | Desktop study of methods for the monitoring of particulate emissions from positively pressurised baghouses |
898 | Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority |
899 | Scope for growth and levels of contaminants in mussels from the Wash. Phase 2 |
900 | Catchment management plans : protecting and enhancing the water environment in an integrated manner |