| 751 | Ecotoxicology : a report of the NRA R and D Ecotoxicology Group |
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| 752 | General awareness, environment management and the Water Framework Directive (WFD) |
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| 753 | Guardians of the water environment (NRA Thames Region) |
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| 754 | Further Validation of PHABSIM for the Habitat Requirements of Salmonid Fish |
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| 755 | Instream Flow Requirements of the River Wissey, Norfolk, Annex C - April 1993
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| 756 | A second stage evaluation of the Grant YSI3815 Water Logger |
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| 757 | Audit report on the 1995 GQA biological survey |
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| 758 | A report on the use of pesticides at two Hampshire watercress farms |
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| 759 | Fact sheet for the RBCA tool kit for chemical releases |
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| 760 | Some guidance on the use of digital environmental data |
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| 761 | An investigation of sewage on the beach at Porthcothan |
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| 762 | Assessing and controlling the ecotoxicity of complex effluents |
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| 763 | Charging for discharges scheme : guidance to the power generation industry |
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| 764 | The Test catchment southern : recommendations for statutory water quality objectives |
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| 765 | The Worcestershire Stour catchment : recommendations for statutory water quality objectives |
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| 766 | An assessment of river water quality in the River Kenn |
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| 767 | A survey of ferruginous minewater impacts in the Welsh coalfields |
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| 768 | A survey of ferruginous minewater impacts in the Welsh coalfields |
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| 769 | Dioxins and the River Doe Lea : plain English report |
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| 770 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
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| 771 | Narrowboats on the Thames : useful hints and tips |
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| 772 | Locks and weirs on the river Thames : how do they work? |
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| 773 | Eel and elver studies in the Severn : interim report (256/6/ST) |
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| 774 | Fishery survey of the Bridgwater and Taunton Canal |
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| 775 | The quality of rivers and estuaries in Northumbria region 1990 |
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