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#Title
626NRA strategy for reducing the concentration of pesticides in controlled waters
627The ecology and management of riverine trees : interim report
628Low-cost modifications of the Crump weir to improve fish passage
629Policy and practice for the protection of groundwater - Thames region appendix
630Policy and practice for the protection of floodplains
631'Sea Vigil' water quality monitoring : the Wash 1992-1993
632Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere
633The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T)
634Guidance on the use of Bioassays in Ecological Risk Assessment
635The National Rivers Authority employee attitude survey : summary
636The Use of a Hydroacoustic Counter for Assessing Salmon Stocks
637Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A)
638Pesticides in the aquatic environment 1997 : executive summary
639Targeted Monitoring Programme for Pharmaceuticals in the Aquatic Environment
640Mercury and methylmercury in the river Yare, Norfolk (OI/420/8/A)
641The Louth coastal catchment management plan : final report
642Fine sediment deposition in the River Keer : geomorphological assessment
643Snapshots of the environment : a new environmental approach
644Draft protocol for the derivation of Toxicity Based Consents
645The Loddon catchment, Thames : recommendations for statutory water quality objectives
646Second Coniston OS map related to the Seismic Survey 1983
647Note 2 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983
648Note 1 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983
649Coniston OS map related to the Seismic Survey 1983
650The flood of February 1990 : technical services flood monitoring report