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76Policy and practice for the protection of groundwater - NRA leaflet
77Policy and practice for the protection of groundwater : draft for consultation
78Policy and practice for the protection of groundwater
79Proposals for statutory water quality objectives : report of the National Rivers Authority
80Method for assessing the heritage value of net fisheries
81Factors affecting the recruitment of riverine coarse fish: phase 3
82Results of the NRA Welsh regional marine bioaccumulation programme 1991-1993 : SE/EAU/94/8
83Results of the NRA Welsh regional marine bioaccumulation programme 1991-1995 : SE/EAU/95/9
84Further Validation of PHABSIM for the Habitat Requirements of Salmonid Fish
85A survey of ferruginous minewater impacts in the Welsh coalfields
86A survey of ferruginous minewater impacts in the Welsh coalfields
87Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report
88A guide to sustainable urban drainage : protecting the quality of our environment
89The NRA in business : annual review and summary accounts 1993-94
90Report on monitoring of environmental quality in the Severn Estuary
91Water company plans to safeguard 1997 summer water supplies : Environment Agency report to the Secretary of State for the Environment : fifth report in a series
92The 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
93Implications of draft EC Directive concerning municipal waste water treatment : Memorandum submitted by the NRA to House of Lords Select Committee on the European Communities
94Use of rod catch-effort data to monitor migratory salmonids in Wales : a report submitted in part fulfillment of the requirements of the course
95An audit of performance in the primary analysis of standard biological macro-invertebrate samples in 2002 : The Environment Agency (CEH Report Ref: C00158/31)
96Bathing water quality in England and Wales in 1994 : report of the National Rivers Authority
97Water pollution incidents in England and Wales 1994 : report of the National Rivers Authority
98Pesticides 1998 : a summary of monitoring of the aquatic environment in England and Wales
99NRA programme for the monitoring of water quality Parts 1 to 3 - November 1994
100Proceedings of the conference National Minewaters 20th -21st April 1998 Tapton Hall Sheffield University