6576 | Low flow augmentation study, River Wensum : Phase 1 Stage 1 draft planning report |
6577 | Recreation and amenity surveys of identified low flow rivers. Part 1 : survey report |
6578 | Stoke Ferry, Dec. 1990 |
6579 | Dinobryon, |
6580 | The Severn Bore 1996 |
6581 | The Severn Bore in 1993 |
6582 | The Severn Bore in 1994 |
6583 | Factors Affecting Coarse Fish Recruitment: Phase II - Examination and Analysis of Existing Environment Agency Data |
6584 | The Severn Bore in 1995 |
6585 | Hydrometric report and catalogue 1990 : National Rivers Authority, Severn-Trent Region |
6586 | Un-ionised ammonia in north west estuaries using 1992/3 data |
6587 | Large Woody Debris In British Headwater Rivers: Main Report |
6588 | Biosensors for environmental monitoring : a review of capabilities and strategies for the future : consultant's report to the NRA |
6589 | Greenhouse effect : current knowledge and implications for South West England |
6590 | Greenhouse effect : current knowledge and implications for South West England : summary |
6591 | A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989 |
6592 | Hydrogen Peroxide Dosing Trials, Lea Marston, 18 and 19 March 1996 |
6593 | An assessment of the causes of non-compliance with river quality standards within the River Tiddy catchment (1989-1991) |
6594 | An investigation of the Madford River pollution incident of 29 July 1989 : November 1989 |
6595 | Coastal baseline survey 1990-93. Part 1 : nutrients |
6596 | Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996 |
6597 | Environmental Quality Standards for Dissolved Oxygen |
6598 | Study into the effect of Chertsey STW on the North Arm of the River Bourne |
6599 | The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T) |
6600 | The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T) |