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51The Distribution Of Phytoplankton And Nutrients In The North East Irish Sea During 1997;
52Proposals to extend the Environment Agency's monitoring certification scheme (MCERTS) to the chemical testing of soils
53Ecological effects of discharges from watercress farms on the chalk-streams of the NRA Wessex Region
54Evaluation of the effectiveness of the Water Fringe Option Scheme on Environmental Quality
55The environmental impact of the foot and mouth disease outbreak: and interim assessment
56Riverside litter : results of the 1990 campaign and a strategy for the future
57The potential for the use of Willow in buffer zones for reducing nitrate and atrazine pollution
58Classification of listed substances for the purposes of the EC groundwater directive (80/68/EEC) : technical report
59Estuarine fish survey 1989 : inferences on the pollution status of the Thames estuary
60The influence of agriculture on the quality of natural waters in England and Wales
61The Distribution of Phytoplankton and Nutrients in the North East Irish Sea During 1998
62The impact of industrial discharges on metal levels in biota of the West Cumbrian coast - 1990
63A collation of the environmental impact work carried out following the Rosebay oil spill, May 1990
64The application of toxicity-based criteria for the regulatory control of wastewater discharges: a consultation document
65Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon
66Discharges of waste under the EC titanium dioxide directives : report of the National Rivers Authority
67Rural sewage pollution in the '90s : report of the rural sewerage project 1993/4
68Identification of Blue Green Algae of the British Isles Guide to the Genera and Use of the Interactive CD-ROM for Identification of Species
69Pesticides in the aquatic environment : report of the National Rivers Authority, prepared by the National Centre for Toxic and Persistant Substances (TAPS)
70The effects of water resources management on the rivers Bure, Wensum and Nar in North Norfolk : Final project report to the National Rivers Authority. July 1994
71The effects of ammonia in discharges from Hogsmill Valley sewage treatment works on the water quality of the River Thames at Teddington
72Inferences on the pollution status of the Thames estuary from the macrobenthic community structure : National Rivers Authority Thames Region, Biology, Thames Estuary Benthic Programme
73Investigations into the status of fisheries, biological and water quality in the River Pelenna catchment, prior to the treatment of discharges from abandoned coal mines : PL/EAW/95/3
74Meiofaunal 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
75Survey of the biological quality of creek systems in the outer Thames Estuary, with special reference to the impact of STW and landfill site discharges