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651Policy and practice for the protection of groundwater - Thames region appendix
652Policy and practice for the protection of floodplains
653Second annual review of the Seaton, Looe and Fowey catchment management plan
654The Yarrow catchment : recommendations for statutory water quality objectives
655The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T)
656The National Rivers Authority employee attitude survey : summary
657The Use of a Hydroacoustic Counter for Assessing Salmon Stocks
658Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A)
659Pesticides in the aquatic environment 1997 : executive summary
660Targeted Monitoring Programme for Pharmaceuticals in the Aquatic Environment
661Mercury and methylmercury in the river Yare, Norfolk (OI/420/8/A)
662Fine sediment deposition in the River Keer : geomorphological assessment
663Snapshots of the environment : a new environmental approach
664Draft protocol for the derivation of Toxicity Based Consents
665The Loddon catchment, Thames : recommendations for statutory water quality objectives
666Assessment of the Impact of Nutrient Removal on Eutrophic Rivers
667Second Coniston OS map related to the Seismic Survey 1983
668Note 2 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983
669Note 1 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983
670Coniston OS map related to the Seismic Survey 1983
671The flood of February 1990 : technical services flood monitoring report
672Sustainable drainage systems (SuDS) : an evaluation using the Natural Step framework
673Policy and practice for the protection of groundwater : Southern region appendix
674Uses of the water environment: factsheet number six
675River basin planning and the Water Framework Directive