51 | 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] |
52 | National marine baseline survey 1995 : littoral cell 2 : Flamborough Head to the Wash |
53 | National marine baseline survey 1995 : littoral cell 11 : Great Orme to the Solway Firth |
54 | Policy and practice for the protection of groundwater : North West region : 2nd edition, 1995 |
55 | Heavy metal contaminants in fish caught from the Mersey Estuary and inshore Liverpool Bay |
56 | Monitoring of the River Burn upstream and downstream of Burnham Market sewage treatment works 1999 |
57 | Less sensitive areas and candidate high natural dispersion areas in the North West region |
58 | Investigation into the frequency of storm overflow operation at Bradworthy sewage treatment works (1996) |
59 | The River Babingley. Volume 1 : executive summary : a report for National Rivers Authority, Anglian Region |
60 | Groundwater management in the North West: efficiency review and business plan: certificate in management |
61 | Impact assessment of Meldon quarry on water quality in the West Okement river |
62 | An assessment of mercury contamination in the Red River catchment : final draft report |
63 | Report on two electrofishing surveys carried out between July 10-25 1978 and July 9-12 1979 on the proposed Kielder Water
|
64 | An investigation into possible causes of poor water quality at Blakewell Bridge (R30A001) on the Bradiford Water |
65 | An investigation to determine if Deep Moor Landfill Site is causing an impact downstream in the Peagham Stream |
66 | Torridge data report : biological monitoring of organic inputs to the study catchments using rapid biological assessment keys |
67 | An investigation into possible causes of poor water quality at Nymphayes Bridge (R30D009) on the Gissage Lake |
68 | Investigation into failures of the River Dalch from Canns Mill Bridge to below Lapford sewage treatment works (2001) |