| 76 | The Ely Ouse catchment management plan : final plan : January 1994 |
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| 77 | State of the environment report for Thames Region : first update 2001 |
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| 78 | Groundwater flooding in the Thames region : winter 2000/01 |
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| 79 | Investigation of the effects of sewage treatment works discharges on receiving waters in the Lowermoor Water Treatment Works supply area November 1989 |
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| 80 | Assessment of the water quality before, during and post commissioning of the interim Falmouth sewage treatment scheme - Report No. TWQ/98/02- September 1998 |
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| 81 | Assessment of the water quality before, during and post commissioning of the interim Falmouth sewage treatment scheme - Report No. TWQ/98/01- May 1998 |
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| 82 | A macroinvertebrate survey of the Releath stream and associated tributaries within the vicinity of Trevethan Farm : final draft report - Water Quality section, Cornwall area |
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| 83 | River Wissey investigations : linking hydrology and ecology : summary of a recommendations for the River Wissey (OI/526) |
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| 84 | Investigation of tecnazene contamination in the Chyandour Brook west Cornwall during spring 1990 |
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| 85 | An investigation of ecological change in the rivers Kennet and Lambourn. April 2001 - March 2002 |
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| 86 | Partnership in environment protection : taking steps towards a better environment in the midlands |
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| 87 | Discharge monitoring in the Kennet catchment. Part 1 : ecological effects of sewage and trade effluents |
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| 88 | Impact assessment of Helston Sewage Treatment Works on water quality of the River Cober Loe Pool |
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| 89 | Discharge monitoring in the Kennet catchment. Part 2 : ecological effects of fish farm discharges |
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| 90 | An assessment of mercury contamination in the Red River catchment : final draft report |
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| 91 | Annual review of the Colne, Upper Lee, North London and Roding, Beam and Ingerbourne catchments |
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| 92 | Land use practices and pathways of pesticide residues in the Mount's Bay catchment, Cornwall |
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| 93 | Aldrin and dieldrin concentrations in the Newlyn catchment during 1991 an interim report |
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| 94 | Macrophyte status of the Rivers Test and Itchen - Hampshire : summary report - October 1998 |
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| 95 | Linking hydrology and ecology : River Wissey : Annex B aquatic macrophytes of the River Wissey |
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| 96 | The Effect of N Fertiliser forms on N2O emissions from UK arable and grassland. Experimental site in Dumfries, 2004 |
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| 97 | An investigation into the presence of high levels of cadmium in sea-water samples from Mounts Bay, Cornwall |
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| 98 | Local Environment Agency plan for the West Midlands Tame, 2nd annual review, July 2001 : local environment focus |
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| 99 | NRA guidance on the acceptable leachable values for contaminated material to be deposited in Upper Tame catchment |
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| 100 | The Blythe/Cole/Bourne catchment management plan : first annual review : July 1994 to July 1995 (NRA Severn-Trent 48)
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