| 601 | Digital groundwater vulnerability maps : 1 : 100,000 series. Policy and practice for the protection of groundwater |
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| 602 | Review of environmental audits prepared by county councils in the North East area |
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| 603 | Lower Colne catchment management plan for flood defence and the environment : third draft |
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| 604 | River restoration : a stepping stone to urban regeneration highlighting the opportunities in south London |
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| 605 | The Status of Headwater Stream Fish Populations and their Tolerance to Low-Level Habitat Degradation |
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| 606 | Old Bedford incorporating the Middle Level and Ouse Washes : action plan - April 1998 |
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| 607 | Old Bedford incorporating the Middle Level and Ouse Washes : second annual review : July 2000 |
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| 608 | Scenarios for the operational implementation of remote sensing of snow by satellites : interim report (207/3/N) |
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| 609 | The application and validation of in situ ecotoxicological assays at biologically and chemically incongruous sites (379/2/T) |
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| 610 | A report on a baseline survey of the subtidal benthic communities within Portland Harbour (January 1997) |
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| 611 | Policy and practice for the protection of groundwater : regional appendix South West region |
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| 612 | Controlling the inputs of persistent chemical to marine waters from land-based sources |
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| 613 | The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1 |
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| 614 | A review of the industrial uses of continuous monitoring systems : minerals industry processes |
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| 615 | Manual for the use of herbicides in or near water : April 1993 : final draft report |
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| 616 | Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd |
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| 617 | Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model |
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| 618 | The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T) |
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| 619 | The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T) |
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| 620 | The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T) |
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| 621 | The evaluation of an ABB Kent-Taylor model 7135 hand-held dissolved oxygen meter (220/30/T) |
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| 622 | An evaluation of discharge and consent compliance policy : a blueprint for the future |
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| 623 | An evaluation of discharge and consent compliance policy : a blueprint for the future : letters from respondents |
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| 624 | Time of travel study on the River Wandle under two different flow conditions |
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| 625 | Desktop study of methods for the monitoring of particulate emissions from positively pressurised baghouses |
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