976 | The quality of rivers and estuaries in Northumbria region 1990 |
977 | A guide to sustainable urban drainage : protecting the quality of our environment |
978 | Air dispersion climate from the Castle Cement works at Ribblesdale |
979 | Estuarial migration of Atlantic salmon in the river Dee (North Wales) |
980 | Pesticide residues in fish taken from the Newlyn River (1992) |
981 | A Review Of The Impact Of Microbiological Contaminants In Groundwater |
982 | Doe Lea restoration study : the work of WRc |
983 | Environmental screening for the Merseyside objective 1 programme : environmental screening guidelines |
984 | The NRA in business : annual review and summary accounts 1993-94 |
985 | Environmental statement for the River Wandle flood alleviation scheme contract one (C1) |
986 | Cyanobacteria (blue-green algae) in the south west region 1989 |
987 | Toxic blue-green algae : a report by the National Rivers Authority |
988 | Investigation of salinity in the river Thurne catchment of North East Norfolk |
989 | Catchment abstraction management strategies (CAMS) and the Water Framework Directive (WFD) |
990 | Managing water abstraction : the catchment abstraction management strategy process : April 2001 |
991 | Water quality investigations in the Newlyn river catchment |
992 | The River Alt/Crossens fish stock assessment 2001 |
993 | An assessment of water quality in the River Yarty catchment |
994 | Investigations of discharges into the River Lemon at Newton Abbot |
995 | Report on monitoring of environmental quality in the Severn Estuary |
996 | INP-integrated North Sea programme : workshop 14-15th May 1992, Rijkswaterstaat,The Hague |
997 | Conservation and recreation : the Wye challenge : volume 2 : technical appendices |
998 | Artificial recharge to groundwater in the Otter valley |
999 | The Ely Ouse catchment management plan : final plan : January 1994 |
1000 | Investigating the Applicability of Passive Sampling Devices to Pesticide Monitoring |