101 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1995 : SE/EAU/95/9 |
102 | Further Validation of PHABSIM for the Habitat Requirements of Salmonid Fish |
103 | A survey of ferruginous minewater impacts in the Welsh coalfields |
104 | A survey of ferruginous minewater impacts in the Welsh coalfields |
105 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
106 | A guide to sustainable urban drainage : protecting the quality of our environment |
107 | Estuarial migration of Atlantic salmon in the river Dee (North Wales) |
108 | The NRA in business : annual review and summary accounts 1993-94 |
109 | Report on monitoring of environmental quality in the Severn Estuary |
110 | Conservation and recreation : the Wye challenge : volume 2 : technical appendices |
111 | 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 |
112 | 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 |
113 | 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 |
114 | Use of rod catch-effort data to monitor migratory salmonids in Wales : a report submitted in part fulfillment of the requirements of the course |
115 | An audit of performance in the primary analysis of standard biological macro-invertebrate samples in 2002 : The Environment Agency (CEH Report Ref: C00158/31) |
116 | A review of factors affecting the abundance and catch of spring salmon fom the River Wye and elsewhere, and proposals for stock maintenance and enhancement |
117 | Bathing water quality in England and Wales in 1994 : report of the National Rivers Authority |
118 | Water pollution incidents in England and Wales 1994 : report of the National Rivers Authority |
119 | Pesticides 1998 : a summary of monitoring of the aquatic environment in England and Wales |
120 | NRA programme for the monitoring of water quality Parts 1 to 3 - November 1994 |
121 | Proceedings of the conference National Minewaters 20th -21st April 1998 Tapton Hall Sheffield University |
122 | A review of the industrial uses of continuous monitoring systems : metals industry processes |
123 | Bathing water quality in England and Wales in 1995 : report of the National Rivers Authority |
124 | The results of Tawe barrage post-impoundment salmon and sea trout telemetry study 1992 |
125 | Bathing water quality in England and Wales in 1993 : report of the National Rivers Authority |