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701Guidance on the use of Bioassays in Ecological Risk Assessment
702The National Rivers Authority employee attitude survey : summary
703The Use of a Hydroacoustic Counter for Assessing Salmon Stocks
704Pesticides in the aquatic environment 1997 : executive summary
705Targeted Monitoring Programme for Pharmaceuticals in the Aquatic Environment
706Mercury and methylmercury in the river Yare, Norfolk (OI/420/8/A)
707The Louth coastal catchment management plan : final report
708Fine sediment deposition in the River Keer : geomorphological assessment
709Snapshots of the environment : a new environmental approach
710Draft protocol for the derivation of Toxicity Based Consents
711The Loddon catchment, Thames : recommendations for statutory water quality objectives
712Assessment of the Impact of Nutrient Removal on Eutrophic Rivers
713Second Coniston OS map related to the Seismic Survey 1983
714Note 2 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983
715Note 1 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983
716Coniston OS map related to the Seismic Survey 1983
717The flood of February 1990 : technical services flood monitoring report
718Sustainable drainage systems (SuDS) : an evaluation using the Natural Step framework
719Uses of the water environment: factsheet number six
720River basin planning and the Water Framework Directive
721The Adur and Ouse catchment abstraction management strategy : consultation document
722First annual review of the Taw/Torridge estuary catchment management plan (1996)
723An update on the Hexham flood alleviation scheme, Autumn 2006
724(Bilingual) Assessing the impact of dewatering on water resources
725Catches of Brown Trout in the River Don