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26Rural sewage pollution in the '90s : report of the rural sewerage project 1993/4
27Swords water quality study - phase 1 : modelling the water quality of the River Thames
28Investigation into the chemicals present and entering the Stover Lake, Stover Country Park
29An investigation into the water quality of the River Waldon during wet weather
30Report on the control of discharges of titanium dioxide waste to the Humber Estuary : main report
31A report on the 1992 strategic stock assessment survey of the upper Dewent catchment and the River Marron with particular reference to salmonids
32Report on the results of a comparison of data from two surveys of the microfauna of the wash carried out in 1991 and 1993
33An assessment of cormorant depredation on stillwater coarse fish populations in the Lea and Colne valleys of the Thames catchment
34An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 1998-March 1999
35Investigation into the 1999 failure of the European Community bathing waters directive at Teignmouth Town Beach (2001)
36Biological investigation of the impact of Ivybridge sewage treatment works discharge to the River Erme, May 1991
37A review of the quality and status of the Suffolk and Essex estuaries and coastal waters : volume 2 : final draft
38A report on the 1993 strategic stock assessment survey of the Eamont catchment with particular reference to salmonid fish
39An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2000
40An Assessment of Cormorant Depredation on Stillwater Coarse Fish Populations in the Lea and Colne Valleys of the Thames Catchment
41The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England;
42An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2001
43Time of travel for the Greadon Farm pollution incident on the Upper Torridge of 19th August 1997 (1997)
44Health effects of sea bathing (WMI 9021) - Phase III final report to the Department of the Environment
45A report on the strategic stock assessment survey of the River Esk catchment 1994 with particular reference to salmonids
46A report on the 1992 strategic stock assessment survey of the upper Eden catchment with particular reference to salmonids
47An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 2000 - March 2001
48The Use Of DNA Fingerprinting To Study The Population Dynamics Of Otters (Lutra Lutra) In Southern Britiain - A Feasibility Study
49An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys
50Analysis of benthic macro-invertebrate samples collected by the NRA during 1989 and 1990 from various habitats in the River Delph