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76Discharge consents and compliance : the NRA's approach to control of discharges to water
77National Groundwater and Contaminated Land Centre annual report 1997-1998
78Sewage treatment works remedial strategy : phase 2 report
79Flood defence law 1992
80Review of low velocity measurement techniques (280/1/A)
81National marine baseline survey manual Report No NC/mar/006
82Wiser, sustainable use of natural resources : a framework for change : July 2001
83Saving water : the NRA's approach to water conservation and demand management : a consultation report
84NRA policy implementation guidance notes (PIGN)
85Water resources development strategy : a discussion document
86Water resource planning : strategic options : inception report : May 1991
87Water pollution incidents in England and Wales 1994 : report summary
88The development of macroinvertebrate keys using TWINSPAN classification : a manual for NRA biologists (001/10/W) : draft final report
89NRA response to using water wisely : a consultation paper published by the DoE/Welsh Office July 1992
90Hydropower developments and the National Rivers Authority
91Conwy catchment management plan : water quality assessment technical memorandum
92Radioactivity in the environment : a summary and radiological assessment of the Environment Agency's monitoring programmes : report for 1996
93Managing water abstraction : towards a shared strategy : consultation response April 2000
94National Groundwater and Contaminated Land Centre annual report 2000/2001
95Demand for irrigation water (413/2/A) : draft final report
96Herbarium Image: Ranunculus aquatilis
97National coastal baseline survey (Final draft) : 1993, 1994 and 1995
98Policy and practice for the protection of groundwater - NRA leaflet
99EC dangerous substances directive : formal monitoring programme 1994
100The Menai Strait catchment management plan : action plan (bilingual) : Cynllun Rheoli Dalgylch Afon Menai; 1995 Cynllun Gweithredu