| 6651 | Impact Of Conifer Harvesting And Replanting On Upland Water Quality |
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| 6652 | Porth, Gluvian and Menalhyl catchment river water quality classification 1990 |
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| 6653 | River Cober catchment river water quality classification 1991 |
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| 6654 | River Fal catchment river water quality classification 1990 |
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| 6655 | Fact sheet for the RBCA tool kit for chemical releases |
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| 6656 | River Fal catchment river water quality classification 1991 |
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| 6657 | River Par and Crinnis catchment river water quality classification 1990 |
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| 6658 | River Par and Crinnis catchment river water quality classification 1991 |
|---|
| 6659 | St Austell River and south Cornwall coastal streams catchment river water quality classification 1990 |
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| 6660 | The identification and investigation of a dinoflagellate bloom in Mounts Bay, Cornwall |
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| 6661 | A draft code of practice for analytical quality control in National Rivers Authority laboratories |
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| 6662 | Control samples for ph determination in low ionic strength waters |
|---|
| 6663 | Proposals to introduce operator monitoring assessment for emissions to air from processes regulated under integrated pollution control : consultation paper |
|---|
| 6664 | Cryptosporidium in drinking water : survey of occurrence. June 1991 |
|---|
| 6665 | River Cober catchment river water quality classification 1990 |
|---|
| 6666 | Developing Quality Assurance for Fish Counter Data - Phase 1: An Assessment of the Salmonid Fish Counter Network in England and Wales |
|---|
| 6667 | Quality assurance for phytoplankton data |
|---|
| 6668 | Quality in Corporate Planning 1993 |
|---|
| 6669 | STREAM thematic network : standards, measurement, testing and research in environmental instrumentation and monitoring |
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| 6670 | Annual N2O measurements and associated data: AC0213, Devon, 2012 |
|---|
| 6671 | Evaluation of a YSI-6000 submersible water quality monitor |
|---|
| 6672 | Evaluation of an ELE/pHOX sub-logger submersible water quality monitor |
|---|
| 6673 | Blue-green algal survey of Lower Clicker Quarry |
|---|
| 6674 | Development of a field test kit for detection of blue-green algal toxins (348/02/A) : interim progress report |
|---|
| 6675 | European collaboration to develop standard sediment toxicity test methods (396/4/T) : interim report |
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