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126The 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
127Implications of draft EC Directive concerning municipal waste water treatment : Memorandum submitted by the NRA to House of Lords Select Committee on the European Communities
128Datchet, 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
129An audit of performance in the primary analysis of standard biological macro-invertebrate samples in 2002 : The Environment Agency (CEH Report Ref: C00158/31)
130National marine baseline survey 1995 : littoral cell 2 : Flamborough Head to the Wash
131Bathing water quality in England and Wales in 1994 : report of the National Rivers Authority
132Water pollution incidents in England and Wales 1994 : report of the National Rivers Authority
133Pesticides 1998 : a summary of monitoring of the aquatic environment in England and Wales
134Survey of physical characteristics of salmon spawning riffles in the river North Tyne
135Effects of suspended solids on salmon (Salmo salar, L.) in the Parrett stuary, Somerset, Draft
136NRA programme for the monitoring of water quality Parts 1 to 3 - November 1994
1371966 the original team approaching Esthwaite Water to practice sampling from a boat
138Proceedings of the conference National Minewaters 20th -21st April 1998 Tapton Hall Sheffield University
139National marine baseline survey 1995 : littoral cell 4 : the Thames to Selsey Bill
140A review of the industrial uses of continuous monitoring systems : metals industry processes
141Bathing water quality in England and Wales in 1995 : report of the National Rivers Authority
142The environmental economy of England's northwest : a driver for economic and social progress : executive summary
143Partnership in environment protection : taking steps towards a better environment in the midlands
144Bathing water quality in England and Wales in 1993 : report of the National Rivers Authority
145Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority
146The government's policy for a public regulatory body in a privatised water industry
147Water pollution incidents in England and Wales - 1990 : report of the National Rivers Authority
148Darwell Transfer Scheme. Final Report Part III. Water quality in the Darwell Reservoir
149Water pollution incidents in England and Wales 1991 : report of the National Rivers Authority
150Improved monitoring for surface water quality : the development of a manual of best practice