| 851 | Toxic blue-green algae : a report by the National Rivers Authority |
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| 852 | Investigation of salinity in the river Thurne catchment of North East Norfolk |
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| 853 | Water quality investigations in the Newlyn river catchment |
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| 854 | Investigations of discharges into the River Lemon at Newton Abbot |
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| 855 | Report on monitoring of environmental quality in the Severn Estuary |
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| 856 | INP-integrated North Sea programme : workshop 14-15th May 1992, Rijkswaterstaat,The Hague |
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| 857 | Conservation and recreation : the Wye challenge : volume 2 : technical appendices |
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| 858 | Artificial recharge to groundwater in the Otter valley |
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| 859 | Investigating the Applicability of Passive Sampling Devices to Pesticide Monitoring |
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| 860 | State of the environment report for Thames Region : first update 2001 |
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| 861 | Water quality in Anglian Region : the first five years |
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| 862 | State of the environment report 2001 : West Midlands Region |
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| 863 | Groundwater flooding in the Thames region : winter 2000/01 |
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| 864 | The environmental requirements of adult Atlantic salmon (Salmo salar L.) during their upstream migration in the Northwest Miramichi River, New Brunswick. Draft. |
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| 865 | Hams Hall Power Station. A survey of the flora and fauna of freshwater habitats in the environs of Hams Hall Power Station, Birmingham |
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| 866 | High level principles for OPRA-based schemes : guidance on the development and implementation of risk rating and regulatory resource planning systems in the Environment Agency |
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| 867 | Investigation to determine the cause of the long-term BOD failure at Higher Weaver routine monitoring site (70532960) for 1995 and 1997 |
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| 868 | Interim review of drought management experience in the North West Region of the National Rivers Authority. lessons learned (29th June 1995 - March 31st 1996) |
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| 869 | Monitoring of the Priory storm overflow on the River Tone at Taunton : June - November 1991 and water quality investigations unit January 1992 |
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| 870 | Changes in the phosphorus content of the sediment of Esthwaite Water and water quality in response to a decreasing input of sewage-borne phosphorus |
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| 871 | An ecological study of the effects of ferric dosing on the plankton and benthic invertebrates of Grafham Water between May 1990 and November 1991 |
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| 872 | Water company plans to safeguard 1997 summer water supplies : Environment Agency report to the Secretary of State for the Environment : fifth report in a series |
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| 873 | Catch and release: the survival and behaviour of Atlantic salmon angled and returned to the Aberdeenshire Dee, in spring and early summer |
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| 874 | Spring salmon : a review of factors affecting the abundance and catch of spring salmon from the River Wye and elsewhere, and proposals for stock maintenance and enhancement |
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| 875 | Water Quality and Freshwater Flow in the Thames Tideway in Relation to Salmon Migration, with particular reference to the effects of low flow in 1990 |
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