126 | The NRA in business : annual review and summary accounts 1993-94 |
127 | Pesticides in the aquatic environment 1997 : executive summary |
128 | Snapshots of the environment : a new environmental approach |
129 | Biological water quality monitoring in the Midlands region |
130 | An audit of performance in the primary analysis of standard biological macro-invertebrate samples in 2002 : The Environment Agency (CEH Report Ref: C00158/31) |
131 | The 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 |
132 | Implications of draft EC Directive concerning municipal waste water treatment : Memorandum submitted by the NRA to House of Lords Select Committee on the European Communities |
133 | Changes in the phosphorus content of the sediment of Esthwaite Water and water quality in response to a decreasing input of sewage-borne phosphorus |
134 | Water company plans to safeguard 1997 summer water supplies : Environment Agency report to the Secretary of State for the Environment : fifth report in a series |
135 | Water Quality and Freshwater Flow in the Thames Tideway in Relation to Salmon Migration, with particular reference to the effects of low flow in 1990 |
136 | National marine baseline survey 1995 : littoral cell 2 : Flamborough Head to the Wash |
137 | Thames Environment 21. The Environment Agency strategy for land-use planning in Thames Region |
138 | Bathing water quality in England and Wales in 1994 : report of the National Rivers Authority |
139 | Partnership in environment protection : taking steps towards a better environment in the midlands |
140 | The government's policy for a public regulatory body in a privatised water industry |
141 | Digital groundwater vulnerability maps : 1 : 100,000 series. Policy and practice for the protection of groundwater |
142 | Water pollution incidents in England and Wales 1994 : report of the National Rivers Authority |
143 | Discharge consents and compliance : the NRA's approach to control of discharges to water |
144 | Saving water : the NRA's approach to water conservation and demand management : a consultation report |
145 | An evaluation of discharge and consent compliance policy : a blueprint for the future : letters from respondents |
146 | Pesticides 1998 : a summary of monitoring of the aquatic environment in England and Wales |
147 | The environmental economy of England's northwest : a driver for economic and social progress : executive summary |
148 | Improved monitoring for surface water quality : the development of a manual of best practice |
149 | Water pollution incidents in England and Wales - 1990 : report of the National Rivers Authority |
150 | Economic evaluation of inland fisheries: The economic impact of freshwater angling in England and Wales |