| 51 | 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 |
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| 52 | Evaluation of FRONTIERS accumulation forecasts in the NRA Thames and North West regions : final report of the Joint Met |
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| 53 | A report on the strategic stock assessment survey of the River Esk catchment 1994 with particular reference to salmonids |
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| 54 | Report on the quality of bathing waters in Hampshire, Sussex, Kent and the Isle of Wight : 1992 bathing season |
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| 55 | A report on the 1992 strategic stock assessment survey of the upper Eden catchment with particular reference to salmonids |
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| 56 | A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89 |
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| 57 | An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95] |
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| 58 | A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994 |
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| 59 | An investigation to determine the source of high levels of gamma-HCH in the Newlyn River during summer 1989 |
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| 60 | An assessment of the causes of non-compliance with river quality standards within the River Tiddy catchment (1989-1991) |
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| 61 | Quality audit of biological samples for the 1991 river quality survey |
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| 62 | Lakes, Ponds and Reservoirs in the Southern Region (NRA) |
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| 63 | Identification of water quality problems in the Strat and Neet catchments |
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| 64 | Second annual review of the Sid/Otter catchment management plan 1999 |
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| 65 | Second annual review of the Seaton, Looe and Fowey catchment management plan |
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| 66 | The Yarrow catchment : recommendations for statutory water quality objectives |
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| 67 | The Adur and Ouse catchment abstraction management strategy : consultation document |
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| 68 | Environmental protection and pollution control : in the North West |
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| 69 | Investigation of mercury contamination in the Red River catchment, West Cornwall |
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| 70 | Environmental planning issues in the North Wessex area |
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| 71 | Macroinvertebrates of the River Nar : Great Ouse catchment : draft report |
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| 72 | Report on the quality of bathing waters 1990 |
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| 73 | Sustaining our resources : the way forward : summary document |
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| 74 | Reduction in aldrin and dieldrin concentrations in the Newlyn River |
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| 75 | Historic changes in the Upper River Ehen Catchment- Summary |
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