6076 | Red River : catchment action plan |
6077 | Severn Trent Region Plan Summary 1991/1992 |
6078 | Red River, Portreath, Bolingey and Perranporth catchment river water quality classification 1990 |
6079 | Red River catchment river water quality classification 1991 |
6080 | Wastewater disinfection field trials (231/4/SW) |
6081 | 1997 general quality assessment (GQA) and river ecosystem (RE) non-compliance : Devon area |
6082 | A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89 |
6083 | An investigation into possible causes of poor water quality at Blakewell Bridge (R30A001) on the Bradiford Water |
6084 | An investigation into possible causes of poor water quality at Nymphayes Bridge (R30D009) on the Gissage Lake |
6085 | Water quality monitoring locations 1992 |
6086 | An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96 |
6087 | An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95] |
6088 | An investigation to determine if Deep Moor Landfill Site is causing an impact downstream in the Peagham Stream |
6089 | An investigation to determine if Great Torrington STW is the cause of elevated copper and zinc concentrations in the River Torridge |
6090 | NRA Anglian Region Plan Summary 1991/1992 |
6091 | 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] |
6092 | Assessment of the impact of discharges from Meldon Quarry on the water quality of the West Okement River |
6093 | Bideford fine screen outfall post scheme appraisal |
6094 | Water quality report 1992 |
6095 | Datchet, Wraysbury, Staines and Chertsey flood study : aquatic biology. Part 2 : a survey of the wetland vegetation and aquatric macroinvertebrates of the Abbey River and Chertsey Bourne |
6096 | Options for development of an enhanced team culture in the NRA, using the Welsh Regional Technical Department as an example |
6097 | General Quality Assessment (GQA) Devon Area 1994 |
6098 | Hartland and Clovelly streams : catchment action plan |
6099 | Hartland streams river water quality classification 1990 |
6100 | Hartland streams river water quality classification 1991 |