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701Suffolk estuarine strategies : Blyth estuary strategy : introduction to the strategy
702Method for the assessment of river water quality using benthic macroinvertebrates
703Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide
704The National Groundwater and Contaminated Land Centre (NGWCLC)
705The evaluation of a Philips ammonium ion selective electrode (220/14/T)
706The greening of Grasmere: its plankton periodicity in 1988
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
712The ecology and management of riverine trees : interim report
713Low-cost modifications of the Crump weir to improve fish passage
714Policy and practice for the protection of groundwater - Thames region appendix
715Policy and practice for the protection of floodplains
716'Sea Vigil' water quality monitoring : the Wash 1992-1993
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