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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)
707The greening of Grasmere: its plankton periodicity in 1988
708A strategic review of the petroleum refinery Industry Sector
709Guidelines for river corridor surveys in the NRA : February 1992. draft 3
710Second annual review of the Sid/Otter catchment management plan 1999
711Contribution of small streams to potential fish production in the Conwy catchment
712NRA strategy for reducing the concentration of pesticides in controlled waters
713The ecology and management of riverine trees : interim report
714Low-cost modifications of the Crump weir to improve fish passage
715Policy and practice for the protection of groundwater - Thames region appendix
716Policy and practice for the protection of floodplains
717Second annual review of the Seaton, Looe and Fowey catchment management plan
718The Yarrow catchment : recommendations for statutory water quality objectives
719Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere
720The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T)
721Guidance on the use of Bioassays in Ecological Risk Assessment
722The National Rivers Authority employee attitude survey : summary
723The Use of a Hydroacoustic Counter for Assessing Salmon Stocks
724Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A)
725Pesticides in the aquatic environment 1997 : executive summary