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1251Analytical method for the determination of acid herbicides in sandstone and chalk aquifer materials (Draft RanD note) P439/9/A
1252The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : study of natural wetlands
1253Report for Welsh Region on selected flood defence schemes and the development of a standard methodology for risk assessment
1254Front Cover of A Key to the British Species of Freshwater Cladocera, with Notes on their Ecology
1255Report on US study tour of engineered wetlands for the treatment of waste water and mine drainage, March 1992
1256NRA guidance on the acceptable leachable values for contaminated material to be deposited in Upper Tame catchment
1257Further monitoring of the impact of Crown Dale waste water treatment works final effluent on water quality
1258The Blythe/Cole/Bourne catchment management plan : first annual review : July 1994 to July 1995 (NRA Severn-Trent 48)
1259The FBA-Welsh Water simulation model of phytoplankton dynamics in flushed systems. Authentication in a coastal lagoon
1260Freshwater migration of sea trout (Salmo trutta L.) in the river Tywi during 1988, 1989 and 1990
1261Investigating the effect of changing retention time in natural and artificial water bodies: Simulations using PROTECH-D
1262NRA Thames region : audit surveys 1991/92 : a report on the re-surveys of selected reaches of river following maintenance dredging
1263Progress in water supply planning : the Environment Agency's review of water company water resources plans : a submission to Government
1264Database and atlas of aquatic vascular plants in the British Isles : part 2 : distribution maps (352/2/N and Y)
1265Proposed decision for the future regulation of disposals of radioactive waste from British Nuclear fuels plc Sellafield : supporting information
1266Evaluating the impact of groundwater abstraction on key conservation sites, final report : Yare Broads and marshes (Strumpshaw Fen)
1267Development of data and information sources on Natura 2000 estuarine sites in the north west : Morecambe Bay : final report
1268An overview of the IBP compound when building was finished (generator located in disused house in front).
1269Nature's way : a guide to surface water best management practices, the effective and economic answer to non-point source pollution
1270The Development of a Methodology to Assess Population Doses from Multiple Sources and Exposure Pathways of Radioactivity
1271Light scattering in sewage effluent: a study of the effects of angle of scatter an common light sources
1272Audit of priority species of rivers and wetlands : Black Bog in South Hampshire and the Isle of Wight
1273Front Cover of A Key to the British Fresh- and Brackish-Water Gastropods, with Notes on their Ecology
1274Micro low flows average and low flows estimation in the SW region : validation of regional version 1.3 software
1275Water resources for the future : a strategy for Wales (Bilingual) : Adnoddau dwr ar gyfer y dyfodol (Bilingual)