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101Quality audit of biological samples for the 1990 river quality survey
102The quality of rivers in England and Wales (1990 to 1995)
103Water resources development strategy : the Resplan Model. Supplementary report no. 7
104Policy and practice for the protection of groundwater
105Policy and practice for the protection of groundwater - NRA leaflet
106Policy and practice for the protection of groundwater : draft for consultation
107The River Dee catchment management plan : consultation report : June 1994
108Policy and practice for the protection of groundwater
109Proposals for statutory water quality objectives : report of the National Rivers Authority
110Conservation in the Severn-Trent Region (NRA Severn-Trent 57)
111Factors affecting the recruitment of riverine coarse fish: phase 3
112Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report
113A guide to sustainable urban drainage : protecting the quality of our environment
114Report on monitoring of environmental quality in the Severn Estuary
115Hams Hall Power Station. A survey of the flora and fauna of freshwater habitats in the environs of Hams Hall Power Station, Birmingham
116Changes in the phosphorus content of the sediment of Esthwaite Water and water quality in response to a decreasing input of sewage-borne phosphorus
117Water company plans to safeguard 1997 summer water supplies : Environment Agency report to the Secretary of State for the Environment : fifth report in a series
118Water Quality and Freshwater Flow in the Thames Tideway in Relation to Salmon Migration, with particular reference to the effects of low flow in 1990
119The quality of rivers and canals in England and Wales (1990 to 1992) : as assessed by a new general quality assessment scheme : report of the National Rivers Authority
120Implications of draft EC Directive concerning municipal waste water treatment : Memorandum submitted by the NRA to House of Lords Select Committee on the European Communities
121Datchet, Wraysbury, Staines and Chertsey flood study : aquatic biology. Part 2 : a survey of the wetland vegetation and aquatric macroinvertebrates of the Abbey River and Chertsey Bourne
122An audit of performance in the primary analysis of standard biological macro-invertebrate samples in 2002 : The Environment Agency (CEH Report Ref: C00158/31)
123National marine baseline survey 1995 : littoral cell 2 : Flamborough Head to the Wash
124Thames Environment 21. The Environment Agency strategy for land-use planning in Thames Region
125Bathing water quality in England and Wales in 1994 : report of the National Rivers Authority