| 76 | The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual) |
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| 77 | Water from the River Dee : a working partnership |
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| 78 | Guidance for the Development of Housing on Land Affected by Contamination |
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| 79 | Policy and practice for the protection of groundwater : regional appendix Welsh region |
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| 80 | The feasibility of biomanipulation in reservoirs and deeper lakes : draft final report |
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| 81 | The development and verification of methodologies for defining groundwater nitrate vulnerable zones |
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| 82 | Investigation into the cause of high phenols in Budleigh Brook (1998) |
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| 83 | An investigation into the sewage system and storm overflow at Beer (1997) |
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| 84 | Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide |
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| 85 | NRA strategy for reducing the concentration of pesticides in controlled waters |
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| 86 | Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A) |
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| 87 | Targeted Monitoring Programme for Pharmaceuticals in the Aquatic Environment |
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| 88 | Policy and practice for the protection of groundwater : Southern region appendix |
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| 89 | Environmental protection and pollution control : in the North West |
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| 90 | Environmental assessment of selected abandoned minewaters in the North East region |
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| 91 | Investigation of mercury contamination in the Red River catchment, West Cornwall |
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| 92 | Model Procedures for the Management of Land Contamination |
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| 93 | The control of effluent discharges by a direct toxicity assessment (DTA) approach |
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| 94 | General guide to the prevention of pollution of controlled water |
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| 95 | The Blackwater River catchment management plan : first annual review 95/96 : Draft Document |
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| 96 | Reduction in aldrin and dieldrin concentrations in the Newlyn River |
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| 97 | Historic changes in the Upper River Ehen Catchment- Summary |
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| 98 | Modelling the Dispersion of Radionuclides Following Short Duration Releases to Rivers |
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| 99 | Toxicity Reduction Evaluation Case Summary for the Chlor-Alkali Industry |
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| 100 | Toxicity Reduction Evaluation Case Summary for the Pulp and Paper Industry |
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