| 401 | Swords water quality study - phase 1 : water quality of the Thames |
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| 402 | An investigation into the bathing water quality at Porthallow |
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| 403 | An investigation of the water quality in three Plymouth catchment streams |
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| 404 | Malodours and discolouration on the Wool Brook Sidmouth |
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| 405 | Protection of the Water Environment using Balancing Facilities |
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| 406 | Review of water resources in the Fylde Aquifer and Wyre catchment |
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| 407 | The River Arun catchment management plan : action plan |
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| 408 | The Mersey Estuary 1992 surveys : summary of results |
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| 409 | An investigation to determine the water quality of Churchstanton Stream |
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| 410 | Proposals for statutory water quality objectives : report of the National Rivers Authority |
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| 411 | Conservation in the Severn-Trent Region (NRA Severn-Trent 57)
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| 412 | A report on the investigation into water contamination at Hauxton, Cambrigeshire |
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| 413 | Fisheries of the middle and lower Wylye and factors affecting their performance |
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| 414 | The drought of 1988-1992 in Anglia : a review |
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| 415 | Development of an Estuarine Classification Scheme for the Water Framework Directive |
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| 416 | Summary of monitoring activities on the blackwater estuary |
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| 417 | Macroinvertebrates in the Kennet catchment : Part 1 - water quality monitoring |
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| 418 | Guide to the use of control charts in water analysis |
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| 419 | A Review of Methods for Assessing the Hydromorphology of Lakes |
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| 420 | A survey of trace metals in biota of the Mersey estuary 1993 |
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| 421 | Policy and practice for the protection of groundwater : regional appendix Anglian region |
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| 422 | Post drought soil water recharge : a study of the processes of recharge |
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| 423 | Continuous water quality monitoring results for the Carnon river |
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| 424 | An assessment of the NRA algal growth inhibition test : 1993/4 |
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| 425 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1993 : SE/EAU/94/8 |
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