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