6926 | Low flow augmentation study, River Wensum : Phase 1 Stage 1 draft planning report |
6927 | Recreation and amenity surveys of identified low flow rivers. Part 1 : survey report |
6928 | Stoke Ferry, Dec. 1990 |
6929 | Dinobryon, |
6930 | Factors Affecting Coarse Fish Recruitment: Phase II - Examination and Analysis of Existing Environment Agency Data |
6931 | Hydrometric report and catalogue 1990 : National Rivers Authority, Severn-Trent Region |
6932 | Un-ionised ammonia in north west estuaries using 1992/3 data |
6933 | Large Woody Debris In British Headwater Rivers: Main Report |
6934 | Biosensors for environmental monitoring : a review of capabilities and strategies for the future : consultant's report to the NRA |
6935 | Greenhouse effect : current knowledge and implications for South West England |
6936 | Greenhouse effect : current knowledge and implications for South West England : summary |
6937 | A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989 |
6938 | Rapid Assessment of Physical Habitat Sensitivity to Abstraction (RAPHSA) |
6939 | An assessment of the causes of non-compliance with river quality standards within the River Tiddy catchment (1989-1991) |
6940 | An investigation of the Madford River pollution incident of 29 July 1989 : November 1989 |
6941 | Coastal baseline survey 1990-93. Part 1 : nutrients |
6942 | Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996 |
6943 | Environmental Quality Standards for Dissolved Oxygen |
6944 | Study into the effect of Chertsey STW on the North Arm of the River Bourne |
6945 | The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T) |
6946 | The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T) |
6947 | The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T) |
6948 | The evaluation of an ABB Kent-Taylor model 7135 hand-held dissolved oxygen meter (220/30/T) |
6949 | Determining The Causes Of 'Apparent Eutrophication' Effects |
6950 | 1992 survey of bathing water quality : final draft report |