| 76 | An investigation to determine the source of high levels of gamma-HCH in the Newlyn River during summer 1989 |
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| 77 | 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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| 78 | Evaluation of peroxygens for the amelioration of river pollution : on behalf of the Environment Agency, Thames Region |
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| 79 | Modelling the contribution from non-agricultural sources to nitrate pollution in the Sor Brook (Thames Region) (UC 3134) |
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| 80 | Biological investigation of the impact of Ivybridge sewage treatment works discharge to the River Erme, May 1991 |
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| 81 | The application of toxicity-based criteria for the regulatory control of wastewater dicharges Response compendium March 1997 |
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| 82 | Contaminants entering the sea : a report on contaminant loads entering the seas around England and Wales 1990-1993 |
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| 83 | The River Eden Demonstration Test Catchment (DTC) Data |
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| 84 | Toxicity Reduction Evaluation Case Summary for the Chlor-Alkali Industry |
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| 85 | Guidance for the Development of Housing on Land Affected by Contamination |
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| 86 | Model Procedures for the Management of Land Contamination |
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| 87 | Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide |
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| 88 | The use of herbicides to control weeds in or near water |
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| 89 | Assessing and controlling the ecotoxicity of complex effluents |
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| 90 | Pesticides in the aquatic environment 1997 full report |
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| 91 | The National Centre for Toxic and Persistent Substances |
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| 92 | The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual) |
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| 93 | Investigations of discharges into the River Lemon at Newton Abbot |
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| 94 | Malodours and discolouration on the Wool Brook Sidmouth |
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| 95 | An investigation into the sewage system and storm overflow at Beer (1997) |
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| 96 | Environmental protection and pollution control : in the North West |
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| 97 | Attenuation of nitrate in the sub-surface environment |
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| 98 | The quality of rivers in England and Wales (1990 to 1995) |
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| 99 | Water quality in Anglian Region : the first five years |
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| 100 | The Mersey estuary : a report on environmental quality |
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