| 5526 | Cryptosporidium in drinking water : survey of occurrence. June 1991 |
|---|
| 5527 | River Cober catchment river water quality classification 1990 |
|---|
| 5528 | Developing Quality Assurance for Fish Counter Data - Phase 1: An Assessment of the Salmonid Fish Counter Network in England and Wales |
|---|
| 5529 | Quality assurance for phytoplankton data |
|---|
| 5530 | STREAM thematic network : standards, measurement, testing and research in environmental instrumentation and monitoring |
|---|
| 5531 | Evaluation of a YSI-6000 submersible water quality monitor |
|---|
| 5532 | Evaluation of an ELE/pHOX sub-logger submersible water quality monitor |
|---|
| 5533 | Blue-green algal survey of Lower Clicker Quarry |
|---|
| 5534 | Development of a field test kit for detection of blue-green algal toxins (348/02/A) : interim progress report |
|---|
| 5535 | European collaboration to develop standard sediment toxicity test methods (396/4/T) : interim report |
|---|
| 5536 | The application of toxicity-based criteria for the regulatory control of wastewater discharges: a consultation document |
|---|
| 5537 | Acid Waters: Llyn Brianne Project- Project Record |
|---|
| 5538 | Development of a field test kit for detection of blue-green algal toxins (348/01/A) : interim progress report |
|---|
| 5539 | Some guidance on the use of digital environmental data |
|---|
| 5540 | A review of the quality and status of the Suffolk and Essex estuaries and coastal waters : volume 1 : final draft |
|---|
| 5541 | An evaluation of discharge and consent compliance policy : a blueprint for the future |
|---|
| 5542 | An evaluation of discharge and consent compliance policy : a blueprint for the future : letters from respondents |
|---|
| 5543 | An investigation into the effect of Farnham STW on the River Wey |
|---|
| 5544 | An investigation into the effects of Alton sewage works on the River Wey North |
|---|
| 5545 | An investigation of sewage on the beach at Porthcothan |
|---|
| 5546 | Assessing and controlling the ecotoxicity of complex effluents |
|---|
| 5547 | Assessment of (anti-) Oestrogenic and (anti-) Androgenic Activities of Final Effluents from Sewage Treatment Works |
|---|
| 5548 | Assessment of Ivybridge mobile monitoring station and investigation of the water quality of the River Erme and the effect of Ivybridge Sewage Treatment works final effluent |
|---|
| 5549 | Charging for discharges scheme : guidance to the power generation industry |
|---|
| 5550 | Coln River levels study : project summary |
|---|
