| 5526 | Direct toxicity assessment proficiency scheme (DTAPS) : Document 1 : Issue 5 |
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| 5527 | Direct toxicity assessment proficiency scheme (DTAPS) : Document 3 : Issue 10 |
|---|
| 5528 | Ecotoxicology : a report of the NRA R and D Ecotoxicology Group |
|---|
| 5529 | Ecotoxicology : new approaches |
|---|
| 5530 | Investigating Links Between Bacterial Exotoxins and Unexplained Fish Kills: Phase 3 |
|---|
| 5531 | Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales |
|---|
| 5532 | Analysis of methyl tertiary-butyl ether (MTBE) and other petroleum oxygenates in water |
|---|
| 5533 | Hydrometric asset condition survey action plan 1998 - 2001 : annex 1 |
|---|
| 5534 | The results of fish telemetry trails in the river Tawe estuary, 1991 |
|---|
| 5535 | Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd |
|---|
| 5536 | Compact airborne spectrographic imager : CASI |
|---|
| 5537 | Aircraft utilisation study |
|---|
| 5538 | Coastal baseline survey January/February 1995 : results |
|---|
| 5539 | Gulliver |
|---|
| 5540 | National marine baseline survey 1995 : littoral cell 10 : Bardsey Sound to Great Orme |
|---|
| 5541 | Validation of statutory sampling sites using aerial surveillance : case study 4 |
|---|
| 5542 | Airborne remote sensing of coastal waters (RanD 328/2/Wx) : draft final report |
|---|
| 5543 | A brief guide to the thames |
|---|
| 5544 | Aquatic eutrophication (leaflet) |
|---|
| 5545 | Bathing water quality : fact sheet (bilingual) : Ansawdd dwr ymdrochi : taflen ffeithiau |
|---|
| 5546 | General awareness, environment management and the Water Framework Directive (WFD) |
|---|
| 5547 | Guardians of the water environment (NRA Thames Region) |
|---|
| 5548 | River Sow improvements in Stafford : your questions answered |
|---|
| 5549 | River Thames : tips for visiting boaters |
|---|
| 5550 | Rivers of the New Forest |
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