101 | Quality audit of biological samples for the 1990 river quality survey |
102 | The quality of rivers in England and Wales (1990 to 1995) |
103 | Water resources development strategy : the Resplan Model. Supplementary report no. 7 |
104 | Policy and practice for the protection of groundwater |
105 | Policy and practice for the protection of groundwater - NRA leaflet |
106 | Policy and practice for the protection of groundwater : draft for consultation |
107 | The River Dee catchment management plan : consultation report : June 1994 |
108 | Policy and practice for the protection of groundwater |
109 | Proposals for statutory water quality objectives : report of the National Rivers Authority |
110 | Conservation in the Severn-Trent Region (NRA Severn-Trent 57)
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111 | Factors affecting the recruitment of riverine coarse fish: phase 3 |
112 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
113 | A guide to sustainable urban drainage : protecting the quality of our environment |
114 | Report on monitoring of environmental quality in the Severn Estuary |
115 | Hams Hall Power Station. A survey of the flora and fauna of freshwater habitats in the environs of Hams Hall Power Station, Birmingham |
116 | Changes in the phosphorus content of the sediment of Esthwaite Water and water quality in response to a decreasing input of sewage-borne phosphorus |
117 | 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 |
118 | 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 |
119 | 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 |
120 | 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 |
121 | Datchet, Wraysbury, Staines and Chertsey flood study : aquatic biology. Part 2 : a survey of the wetland vegetation and aquatric macroinvertebrates of the Abbey River and Chertsey Bourne |
122 | An audit of performance in the primary analysis of standard biological macro-invertebrate samples in 2002 : The Environment Agency (CEH Report Ref: C00158/31) |
123 | National marine baseline survey 1995 : littoral cell 2 : Flamborough Head to the Wash |
124 | Thames Environment 21. The Environment Agency strategy for land-use planning in Thames Region |
125 | Bathing water quality in England and Wales in 1994 : report of the National Rivers Authority |