1101 | Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000 |
1102 | Chemical river quality 1993-1995 according to the general quality assessment (GQA) scheme [map] : scale 1 : 750 000 |
1103 | An investigation into bathing water quality at Millendreath |
1104 | Guide to groundwater vulnerability mapping in England and Wales |
1105 | Impacts Of Nutrients In Estuaries - Phase 2 : Summary Report |
1106 | Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon |
1107 | River catchment plans for flood defence and land drainage : River Stort - evaluation report |
1108 | Ely Ouse catchment management plan : first annual review Jan 1994 to Jan 1996 |
1109 | Gipping/Stour catchment management plan : final plan |
1110 | The quality of rivers and estuaries in Northumbria region 1990 |
1111 | AMP(2) / effluent quality : NRA guidance note for preparation work for AMP(2) |
1112 | Estuarial migration of Atlantic salmon in the river Dee (North Wales) |
1113 | Newham STW and Ladock Valley STW impact assessment survey 1996 : final draft report - December 1996 : COR/96/012 |
1114 | Meiofaunal assemblages of the Thames Estuary, April 1989-March 1990 : modules I-III : a study of the meiofaunal communities present in sediment samples collected by the National Rivers Authority, Thames Region |
1115 | Proposed Environmental Quality Standards for Styrene in water |
1116 | Atmospheric inputs of pollutants to surface waters : interim report on trace organics in atmospheric deposition (015/4/T) |
1117 | The effect of the voluntary initiative on water quality |
1118 | The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Chalk Of Berkshire And The Chilterns |
1119 | The NRA in business : annual review and summary accounts 1993-94 |
1120 | An Assessment of the Feasibility of Using DGT Procedures to Measure Trace Metals and Radionuclides in Rivers |
1121 | Cyanobacteria (blue-green algae) in the south west region 1989 |
1122 | Draft list of potential target contaminants of fish tissue : interim report (397/4/ST) |
1123 | Environmental Impacts of Alkylphenol Ethoxylates and Carboxylates. Part 1 Proposals for the Development of Environmental Quality Standards |
1124 | Toxic blue-green algae : a report by the National Rivers Authority |
1125 | River Erewash catchment management plan : action plan : August 1995 |