| 276 | Severn Estuary coastal waters and associated catchments : uses, objectives and standards |
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| 277 | Local Environment Agency plan Esk and coast (Hartlepool to Filey Bay) : consultation report, November 1997 |
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| 278 | Proposed Environmental Quality Standards for Bromine in Fresh and Marine Waters |
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| 279 | Porth, Gluvian and Menalhyl catchment river water quality classification 1991 |
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| 280 | River Axe Fish Study - Stage 2, Environmental Assessment for River Abstraction |
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| 281 | 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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| 282 | St Agnes qualitative dye surveys 1995 data report : tidal water quality |
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| 283 | Method for the assessment of river water quality using benthic macroinvertebrates |
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| 284 | Development of PRAIRIE(tm) Dispersion Modelling |
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| 285 | Report on the control of discharges of titanium dioxide waste to the Humber Estuary : main report |
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| 286 | Turbidity and plant growth in large slow-flowing lowland rivers. Progress Report: October 1989- March 1990 |
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| 287 | The greening of Grasmere: its plankton periodicity in 1988 |
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| 288 | River Kennet catchment management plan : third annual review (July 1996 - July 1997) : second and final draft |
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| 289 | River Lynher catchment river water quality classification 1991 |
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| 290 | Appraisal of Rural Best Management Practices for Controlling Diffuse Pollution |
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| 291 | Regional water quality monitoring and surveillance programme for 1994 : EC surface water abstraction directive : final draft report (1993) |
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| 292 | Investigation into upstream failures at Puddington Sewage Treatment Works |
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| 293 | River Avon catchment river water quality classification 1990 |
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| 294 | National marine baseline survey 1995 : littoral cell 4 : the Thames to Selsey Bill |
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| 295 | Classification of estuary quality |
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| 296 | Croal/Irwell local environment agency plan : statement of consultation |
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| 297 | Welsh Regional plan summary 1991/92 (bilingual) : Rhanbarth Cymru crynodeb cynllun 1991/92 |
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| 298 | Information [on the NRA Anglian Region] |
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| 299 | 'Sea Vigil' water quality monitoring : the Wash 1992-1993 |
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| 300 | Guardian of the water environment |
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