| 326 | Instream Flow Requirements of the River Wissey, Norfolk, Annex C - April 1993
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| 327 | A second stage evaluation of the Grant YSI3815 Water Logger |
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| 328 | The identification and investigation of a dinoflagellate bloom in Mounts Bay, Cornwall |
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| 329 | The Test catchment southern : recommendations for statutory water quality objectives |
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| 330 | The Worcestershire Stour catchment : recommendations for statutory water quality objectives |
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| 331 | An assessment of river water quality in the River Kenn |
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| 332 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
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| 333 | Locks and weirs on the river Thames : how do they work? |
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| 334 | The quality of rivers and estuaries in Northumbria region 1990 |
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| 335 | Estuarial migration of Atlantic salmon in the river Dee (North Wales) |
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| 336 | Cyanobacteria (blue-green algae) in the south west region 1989 |
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| 337 | Toxic blue-green algae : a report by the National Rivers Authority |
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| 338 | Investigation of salinity in the river Thurne catchment of North East Norfolk |
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| 339 | Catchment abstraction management strategies (CAMS) and the Water Framework Directive (WFD) |
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| 340 | Managing water abstraction : the catchment abstraction management strategy process : April 2001 |
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| 341 | Artificial recharge to groundwater in the Otter valley |
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| 342 | The Ely Ouse catchment management plan : final plan : January 1994 |
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| 343 | 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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| 344 | 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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| 345 | 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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| 346 | 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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| 347 | 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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| 348 | 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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| 349 | 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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| 350 | Wimbleball pumped storage scheme : review of environmental statement (appendix B3) : implications for water quality in Wimbleball Reservoir, the River Exe (non QUASAR) parameters) and the Exe estuary |
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