| 5626 | Red River, Portreath, Bolingey and Perranporth catchment river water quality classification 1990 |
|---|
| 5627 | Red River catchment river water quality classification 1991 |
|---|
| 5628 | East Sussex Rother catchment management plan : action plan |
|---|
| 5629 | Wastewater disinfection field trials (231/4/SW) |
|---|
| 5630 | A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89 |
|---|
| 5631 | An investigation into possible causes of poor water quality at Blakewell Bridge (R30A001) on the Bradiford Water |
|---|
| 5632 | An investigation into possible causes of poor water quality at Nymphayes Bridge (R30D009) on the Gissage Lake |
|---|
| 5633 | An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96 |
|---|
| 5634 | An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95] |
|---|
| 5635 | An investigation to determine if Deep Moor Landfill Site is causing an impact downstream in the Peagham Stream |
|---|
| 5636 | An investigation to determine if Great Torrington STW is the cause of elevated copper and zinc concentrations in the River Torridge |
|---|
| 5637 | NRA Anglian Region Plan Summary 1991/1992 |
|---|
| 5638 | An investigation to determine if South Molton STW is the cause of elevated copper and zinc concentrations downstream in the River Mole [DEV/E/18/95] |
|---|
| 5639 | Bideford fine screen outfall post scheme appraisal |
|---|
| 5640 | Water quality report 1992 |
|---|
| 5641 | Options for development of an enhanced team culture in the NRA, using the Welsh Regional Technical Department as an example |
|---|
| 5642 | Hartland and Clovelly streams : catchment action plan |
|---|
| 5643 | Hartland streams river water quality classification 1990 |
|---|
| 5644 | Hartland streams river water quality classification 1991 |
|---|
| 5645 | Impact assessment of acidic and metalliferous pollution in the Fowley Stream |
|---|
| 5646 | North Devon coast and Lyn catchment river water quality classification 1990 |
|---|
| 5647 | North Devon coast and Lyn catchment river water quality classification 1991 |
|---|
| 5648 | North Devon streams : action plan, August 1997 |
|---|
| 5649 | Occurrence of cryptosporidium oocysts in river water |
|---|
| 5650 | Review of fishery regulations on the Rivers Taw and Torridge |
|---|
