| 6751 | Hydrometric report and catalogue 1990 : National Rivers Authority, Severn-Trent Region |
|---|
| 6752 | Un-ionised ammonia in north west estuaries using 1992/3 data |
|---|
| 6753 | Large Woody Debris In British Headwater Rivers: Main Report |
|---|
| 6754 | Biosensors for environmental monitoring : a review of capabilities and strategies for the future : consultant's report to the NRA |
|---|
| 6755 | Greenhouse effect : current knowledge and implications for South West England |
|---|
| 6756 | Greenhouse effect : current knowledge and implications for South West England : summary |
|---|
| 6757 | A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989 |
|---|
| 6758 | Hydrogen Peroxide Dosing Trials, Lea Marston, 18 and 19 March 1996 |
|---|
| 6759 | An investigation of the Madford River pollution incident of 29 July 1989 : November 1989 |
|---|
| 6760 | Coastal baseline survey 1990-93. Part 1 : nutrients |
|---|
| 6761 | Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996 |
|---|
| 6762 | Environmental Quality Standards for Dissolved Oxygen |
|---|
| 6763 | The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T) |
|---|
| 6764 | The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T) |
|---|
| 6765 | The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T) |
|---|
| 6766 | The evaluation of an ABB Kent-Taylor model 7135 hand-held dissolved oxygen meter (220/30/T) |
|---|
| 6767 | Determining The Causes Of 'Apparent Eutrophication' Effects |
|---|
| 6768 | 1992 survey of bathing water quality : final draft report |
|---|
| 6769 | Ecotoxocological impact of ferric sulphate on chironomid cultures and profundal reservoir communities |
|---|
| 6770 | Loe Pool urban waste water treatment directive sensitive area (eutrophic) designation : final draft report |
|---|
| 6771 | Phosphorus in the Thames catchment |
|---|
| 6772 | River nar eutrophication study aquatic macrophyte survey |
|---|
| 6773 | 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 |
|---|
| 6774 | Pilot environmental audit : NRA Leigh, Tonbridge, district office : southern region |
|---|
| 6775 | A litter assessment of two major tributaries of the Taff, the Cynon and the Rhondda : surveyed March - April 1990 |
|---|
