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#Title
676First annual review of the Taw/Torridge estuary catchment management plan (1996)
677Suffolk estuarine strategies : Blyth estuary strategy : introduction to the strategy
678Method for the assessment of river water quality using benthic macroinvertebrates
679Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide
680The National Groundwater and Contaminated Land Centre (NGWCLC)
681The evaluation of a Philips ammonium ion selective electrode (220/14/T)
682The greening of Grasmere: its plankton periodicity in 1988
683A strategic review of the petroleum refinery Industry Sector
684Guidelines for river corridor surveys in the NRA : February 1992. draft 3
685Second annual review of the Sid/Otter catchment management plan 1999
686Contribution of small streams to potential fish production in the Conwy catchment
687NRA strategy for reducing the concentration of pesticides in controlled waters
688The ecology and management of riverine trees : interim report
689Low-cost modifications of the Crump weir to improve fish passage
690Policy and practice for the protection of groundwater - Thames region appendix
691Policy and practice for the protection of floodplains
692'Sea Vigil' water quality monitoring : the Wash 1992-1993
693Second annual review of the Seaton, Looe and Fowey catchment management plan
694The Yarrow catchment : recommendations for statutory water quality objectives
695Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere
696The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T)
697Guidance on the use of Bioassays in Ecological Risk Assessment
698The National Rivers Authority employee attitude survey : summary
699The Use of a Hydroacoustic Counter for Assessing Salmon Stocks
700Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A)