126 | The government's policy for a public regulatory body in a privatised water industry |
127 | Digital groundwater vulnerability maps : 1 : 100,000 series. Policy and practice for the protection of groundwater |
128 | Desktop study of methods for the monitoring of particulate emissions from positively pressurised baghouses |
129 | Guardians of the water environment : NRA Welsh Region (bilingual) : Diogelwyr amgyllchedd dwr : rhanbarth Cymru |
130 | Water pollution incidents in England and Wales 1994 : report of the National Rivers Authority |
131 | Discharge consents and compliance : the NRA's approach to control of discharges to water |
132 | Bathing water quality in England and Wales in 1993 : report of the National Rivers Authority |
133 | River corridor strategic overview feasibility study : a report to the National Rivers Authority |
134 | Saving water : the NRA's approach to water conservation and demand management : a consultation report |
135 | The available resource methodology : a framework for assessing water resources and abstraction availability : final report |
136 | Water pollution incidents in England and Wales - 1992 : report of the National Rivers Authority |
137 | Proceedings of the conference National Minewaters 20th -21st April 1998 Tapton Hall Sheffield University |
138 | Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority |
139 | An evaluation of discharge and consent compliance policy : a blueprint for the future : letters from respondents |
140 | Pesticides 1998 : a summary of monitoring of the aquatic environment in England and Wales |
141 | The results of Tawe barrage post-impoundment salmon and sea trout telemetry study 1992 |
142 | An evaluation of discharge and consent compliance policy : a blueprint for the future |
143 | Water pollution incidents in England and Wales - 1990 : report of the National Rivers Authority |
144 | Economic evaluation of inland fisheries: The economic impact of freshwater angling in England and Wales |
145 | Demand for irrigation water (413/1/A) : progress report for the period August 1992 to January 1993 |
146 | Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000 |
147 | NRA programme for the monitoring of water quality Parts 1 to 3 - November 1994 |
148 | Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority |
149 | Water pollution incidents in England and Wales 1991 : report of the National Rivers Authority |
150 | Groundwater pollution : evaluation of the extent and character of groundwater pollution from point sources in England and Wales |