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676Groundwater pollution : evaluation of the extent and character of groundwater pollution from point sources in England and Wales
677Front Cover of A Key to the British Fresh- and Brackish-Water Gastropods, with Notes on their Ecology
678Effects of flow regime on the young stages of salmonid fishes- summary and conclusions based on results for 1981- 1985
679The use of fertilizer-free buffer strips to protect dyke flora from nitrate pollution on Walland Marsh S.S.S.I
680Audit of priority species of rivers and wetlands : kingfisher Alcedo atthis in South Hampshire and the Isle of Wight
681Audit of priority species of rivers and wetlands : Southern Damselfly Coenagrion mercuriale in South Hampshire and the Isle of Wight
682Addendum to the Stanmoor bank feasibility study and appraisal report : Lower Tone flood defence improvements : phase II
683Analytical method for the determination of acid herbicides in sandstone and chalk aquifer materials (Draft RanD note) P439/9/A
684Summary report on blue-green algae toxin analysis, Toxicity Assessment and reporting to the Environment Agency, 1998
685Micro low flows average and low flows estimation in the SW region : validation of regional version 1.1 software
686Report for Welsh Region on selected flood defence schemes and the development of a standard methodology for risk assessment
687Possible replacements for the biochemical oxygen demand (BOD) test and suspended solids as measures of effluent and water quality
688Audit of priority species of rivers and wetlands : Bittern Botaurus stellaris in South Hampshire and the Isle of Wight
689River Lemon corridor survey : a report prepared by Ecologue for the National Rivers Authority (South West Region)
690Audit of priority species of rivers and wetlands : Marsh Fritillary in South Hampshire and the Isle of Wight
691List of R and D outputs September 1989 to September 1995 : the National Rivers Authority's R and D programme
692Front Cover of A Key to the British Species of Freshwater Cladocera, with Notes on their Ecology
693Micro low flows average and low flows estimation in the SW region : validation of regional version 1.3 software
694Guidance to agency officers on the provision of technically competent management (multiple sites) at licensed waste facilities
695Report on US study tour of engineered wetlands for the treatment of waste water and mine drainage, March 1992
696Scoping Study For Collaborative R and D Between The Environment Agency And L'agence De L'eau Seine Normandie
697Graphical representation of certain metals and organics concentrations versus flow rates for some of the rivers in Districts 3 and 6
698Manor Wall and Landguard Fort sea defences, Felixstowe : part of the Southern Felixstowe coastal strategy option selection scoping consultation document
699Letter of confirmation of geophysical surveys made in conjunction between Professor G.E.G. Sargent and the FBA 1983-1987
700Investigating the feasibility of using neural networks to derive chlorophyll a prediction algorithms for case 2 waters