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701First annual review of the Taw/Torridge estuary catchment management plan (1996)
702Suffolk estuarine strategies : Blyth estuary strategy : introduction to the strategy
703Method for the assessment of river water quality using benthic macroinvertebrates
704Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide
705The National Groundwater and Contaminated Land Centre (NGWCLC)
706The evaluation of a Philips ammonium ion selective electrode (220/14/T)
707A strategic review of the petroleum refinery Industry Sector
708Guidelines for river corridor surveys in the NRA : February 1992. draft 3
709Second annual review of the Sid/Otter catchment management plan 1999
710Contribution of small streams to potential fish production in the Conwy catchment
711NRA strategy for reducing the concentration of pesticides in controlled waters
712Low-cost modifications of the Crump weir to improve fish passage
713Policy and practice for the protection of groundwater - Thames region appendix
714Policy and practice for the protection of floodplains
715'Sea Vigil' water quality monitoring : the Wash 1992-1993
716Second annual review of the Seaton, Looe and Fowey catchment management plan
717The Yarrow catchment : recommendations for statutory water quality objectives
718Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere
719The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T)
720Guidance on the use of Bioassays in Ecological Risk Assessment
721The National Rivers Authority employee attitude survey : summary
722The Use of a Hydroacoustic Counter for Assessing Salmon Stocks
723Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A)
724Pesticides in the aquatic environment 1997 : executive summary
725Targeted Monitoring Programme for Pharmaceuticals in the Aquatic Environment