| 676 | The environmental economy of England's northwest : a driver for economic and social progress : executive summary |
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| 677 | Microbiological examination of coastal waters in the North West : summary of results 1998 |
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| 678 | Prioritising the Issues in Local Environment Agency Plans through Concensus Building with Stakeholder Groups |
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| 679 | Microbiological examination of water contact sports sites in the River Thames catchment 1989 |
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| 680 | Assessing the impact of sewage effluent disposal on groundwater (phase 2): final report |
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| 681 | Bathing water quality in England and Wales in 1993 : report of the National Rivers Authority |
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| 682 | Guardians of the water environment : NRA Welsh Region (bilingual) : Diogelwyr amgyllchedd dwr : rhanbarth Cymru |
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| 683 | Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority |
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| 684 | The Implications of Future Shoreline Management on Protected Habitats in England and Wales |
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| 685 | The distribution of PCDDS and PCDFS in surface freshwater systems 2nd Interim Progress Report - February 1993 |
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| 686 | East Devon public water supply strategy : preliminary assessment of the yield of Clatworthy reservoir |
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| 687 | River corridor strategic overview feasibility study : a report to the National Rivers Authority |
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| 688 | Regional river quality monitoring and surveillance : results of the 1990/1991 biological survey : draft report |
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| 689 | R and D Strategy to Support Implementation of the Water Framework Directive - Preliminary Scoping Report |
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| 690 | Biological report of the 1991 coastal and estuarine survey from Crosby to Glasson |
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| 691 | Electron Microscope Image: Filament of Oscillatoria being ingested by the ciliate Nassula tumida |
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| 692 | The government's policy for a public regulatory body in a privatised water industry |
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| 693 | The evaluation of a LTH BOM 1 hand-held dissolved oxygen meter (220/25/T) |
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| 694 | Less sensitive areas and candidate high natural dispersion areas in the North West region |
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| 695 | Water pollution incidents in England and Wales - 1990 : report of the National Rivers Authority |
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| 696 | Interpretation Of Optimisation In The Context Of A Disposal Facility For Long-Lived Radioactive Waste |
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| 697 | Two year aesthetic survey of beaches in the South West (1990 and 1991) |
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| 698 | The Impact of Pesticides on River Ecology: Phase 2: A study of headwater streams |
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| 699 | The Influence of Variations in Flow on General Quality Assessment of Rivers - Summary Document |
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| 700 | An Investigation of the Equivalent Resistance, Power Requirements and Field Characteristics of Electric Fishing Electrodes |
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