| 6401 | Un-ionised ammonia in north west estuaries using 1992/3 data |
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| 6402 | Large Woody Debris In British Headwater Rivers: Main Report |
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| 6403 | Biosensors for environmental monitoring : a review of capabilities and strategies for the future : consultant's report to the NRA |
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| 6404 | Greenhouse effect : current knowledge and implications for South West England |
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| 6405 | Greenhouse effect : current knowledge and implications for South West England : summary |
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| 6406 | A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989 |
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| 6407 | Hydrogen Peroxide Dosing Trials, Lea Marston, 18 and 19 March 1996 |
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| 6408 | An assessment of the causes of non-compliance with river quality standards within the River Tiddy catchment (1989-1991) |
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| 6409 | An investigation of the Madford River pollution incident of 29 July 1989 : November 1989 |
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| 6410 | Coastal baseline survey 1990-93. Part 1 : nutrients |
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| 6411 | Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996 |
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| 6412 | Environmental Quality Standards for Dissolved Oxygen |
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| 6413 | Study into the effect of Chertsey STW on the North Arm of the River Bourne |
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| 6414 | The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T) |
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| 6415 | The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T) |
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| 6416 | The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T) |
|---|
| 6417 | The evaluation of an ABB Kent-Taylor model 7135 hand-held dissolved oxygen meter (220/30/T) |
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| 6418 | Determining The Causes Of 'Apparent Eutrophication' Effects |
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| 6419 | 1992 survey of bathing water quality : final draft report |
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| 6420 | Ecotoxocological impact of ferric sulphate on chironomid cultures and profundal reservoir communities |
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| 6421 | Loe Pool urban waste water treatment directive sensitive area (eutrophic) designation : final draft report |
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| 6422 | Phosphorus in the Thames catchment |
|---|
| 6423 | River nar eutrophication study aquatic macrophyte survey |
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| 6424 | 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 |
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| 6425 | Pilot environmental audit : NRA Leigh, Tonbridge, district office : southern region |
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