1151 | Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development |
1152 | Manual for the use of herbicides in or near water : April 1993 : final draft report |
1153 | Direct toxicity assessment : a step towards better environmental protection within the UK : business strategy |
1154 | Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd |
1155 | Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model |
1156 | An investigation of the Madford River pollution incident of 29 July 1989 : November 1989 |
1157 | Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996 |
1158 | The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T) |
1159 | The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T) |
1160 | The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T) |
1161 | The evaluation of an ABB Kent-Taylor model 7135 hand-held dissolved oxygen meter (220/30/T) |
1162 | Definition of terms used in the assessment information management system (AIMS) : guidance note 5 |
1163 | Time of travel study on the River Wandle under two different flow conditions |
1164 | The Natural (Baseline) Quality of Groundwaters in England and Wales - Magnesium Limestone of Yorkshire and Northumbria |
1165 | Analysis of bacteriological contamination and accumulation of metals and organics in the mussel (Mytilus edulis) |
1166 | Lower Lee fish mortalities associated with rainfall : including the event of 7/8th September 1993 |
1167 | Integrated river corridor assessment : a pilot study of the rivers Wansbeck and North Tyne in Northumbria |
1168 | River Teign corridor survey : prepared by Ecologue for the National Rivers Authority (South West Region) |
1169 | Scope for growth and levels of contaminants in mussels from the Wash. Phase 2 |
1170 | River Stort : draft catchment management plan for flood defence and the environment : May 1991 |
1171 | Catchment management plans : protecting and enhancing the water environment in an integrated manner |
1172 | Impact assessment of scour valve test at Roadford Reservoir on water quality of the River Lyd |
1173 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk B in 2012 |
1174 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk C in 2011 |
1175 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk B in 2013 |