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551Policy and practice for the protection of groundwater - Thames region appendix
552Policy and practice for the protection of floodplains
553Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere
554The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T)
555Guidance on the use of Bioassays in Ecological Risk Assessment
556The National Rivers Authority employee attitude survey : summary
557The Use of a Hydroacoustic Counter for Assessing Salmon Stocks
558Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A)
559Pesticides in the aquatic environment 1997 : executive summary
560Targeted Monitoring Programme for Pharmaceuticals in the Aquatic Environment
561The Louth coastal catchment management plan : final report
562Fine sediment deposition in the River Keer : geomorphological assessment
563Snapshots of the environment : a new environmental approach
564Draft protocol for the derivation of Toxicity Based Consents
565Second Coniston OS map related to the Seismic Survey 1983
566Note 2 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983
567Note 1 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983
568Coniston OS map related to the Seismic Survey 1983
569The flood of February 1990 : technical services flood monitoring report
570Sustainable drainage systems (SuDS) : an evaluation using the Natural Step framework
571River basin planning and the Water Framework Directive
572The Adur and Ouse catchment abstraction management strategy : consultation document
573First annual review of the River Exe catchment management plan
574First annual review of the Taw/Torridge estuary catchment management plan (1996)
575Flood alleviation proposals for Bakewell and Ashford in the Water