76 | Policy and practice for the protection of groundwater : draft for consultation |
77 | The River Dee catchment management plan : consultation report : June 1994 |
78 | Policy and practice for the protection of groundwater |
79 | The Menai Strait Catchment Managment Plan Action Plan; 1995 (Bilingual) |
80 | The River Ogmore catchment management plan : action plan |
81 | The Tawe and South Gower catchment management plan : action plan 1995 (bilingual) |
82 | Proposals for statutory water quality objectives : report of the National Rivers Authority |
83 | Factors affecting the recruitment of riverine coarse fish: phase 3 |
84 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1993 : SE/EAU/94/8 |
85 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1995 : SE/EAU/95/9 |
86 | Further Validation of PHABSIM for the Habitat Requirements of Salmonid Fish |
87 | A survey of ferruginous minewater impacts in the Welsh coalfields |
88 | A survey of ferruginous minewater impacts in the Welsh coalfields |
89 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
90 | A guide to sustainable urban drainage : protecting the quality of our environment |
91 | Estuarial migration of Atlantic salmon in the river Dee (North Wales) |
92 | Report on monitoring of environmental quality in the Severn Estuary |
93 | Conservation and recreation : the Wye challenge : volume 2 : technical appendices |
94 | 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 |
95 | 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 |
96 | 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 |
97 | Use of rod catch-effort data to monitor migratory salmonids in Wales : a report submitted in part fulfillment of the requirements of the course |
98 | An audit of performance in the primary analysis of standard biological macro-invertebrate samples in 2002 : The Environment Agency (CEH Report Ref: C00158/31) |
99 | 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 |
100 | Bathing water quality in England and Wales in 1994 : report of the National Rivers Authority |