| 5451 | A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989 |
|---|
| 5452 | Rapid Assessment of Physical Habitat Sensitivity to Abstraction (RAPHSA) |
|---|
| 5453 | Hydrogen Peroxide Dosing Trials, Lea Marston, 18 and 19 March 1996 |
|---|
| 5454 | An assessment of the causes of non-compliance with river quality standards within the River Tiddy catchment (1989-1991) |
|---|
| 5455 | An investigation of the Madford River pollution incident of 29 July 1989 : November 1989 |
|---|
| 5456 | Coastal baseline survey 1990-93. Part 1 : nutrients |
|---|
| 5457 | Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996 |
|---|
| 5458 | Environmental Quality Standards for Dissolved Oxygen |
|---|
| 5459 | The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T) |
|---|
| 5460 | The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T) |
|---|
| 5461 | The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T) |
|---|
| 5462 | The evaluation of an ABB Kent-Taylor model 7135 hand-held dissolved oxygen meter (220/30/T) |
|---|
| 5463 | Determining The Causes Of 'Apparent Eutrophication' Effects |
|---|
| 5464 | 1992 survey of bathing water quality : final draft report |
|---|
| 5465 | Ecotoxocological impact of ferric sulphate on chironomid cultures and profundal reservoir communities |
|---|
| 5466 | Loe Pool urban waste water treatment directive sensitive area (eutrophic) designation : final draft report |
|---|
| 5467 | Phosphorus in the Thames catchment |
|---|
| 5468 | River nar eutrophication study aquatic macrophyte survey |
|---|
| 5469 | The Management of blue-green algal blooms in South-East Australia : a report on the visit to Australia by MJ Pearson and AJD Ferguson in January/February 1993 |
|---|
| 5470 | A litter assessment of two major tributaries of the Taff, the Cynon and the Rhondda : surveyed March - April 1990 |
|---|
| 5471 | Flood directory East Sussex Local Authority area |
|---|
| 5472 | River Medway : a user's guide |
|---|
| 5473 | Sea Empress Cost-Benefit Project: Final Report |
|---|
| 5474 | A collation of the environmental impact work carried out following the Rosebay oil spill, May 1990 |
|---|
| 5475 | Masonry bunds for oil storage tanks |
|---|
