| 301 | Regional river quality monitoring and surveillance : results of the 1990/1991 biological survey : draft report |
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| 302 | Water pollution incidents in England and Wales - 1990 : report of the National Rivers Authority |
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| 303 | Two year aesthetic survey of beaches in the South West (1990 and 1991) |
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| 304 | The Influence of Variations in Flow on General Quality Assessment of Rivers - Summary Document |
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| 305 | Annual classification of river water quality 1992 : numbers of samples exceeding the quality standard |
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| 306 | Water pollution incidents in England and Wales 1991 : report of the National Rivers Authority |
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| 307 | Improved monitoring for surface water quality : the development of a manual of best practice |
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| 308 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk D in 2011 |
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| 309 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk B in 2011 |
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| 310 | Routine laboratory water sample data for the Wensum Demonstration Test Catchment's monitoring kiosk A |
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| 311 | Report on the By Brook low flow investigations : October 2001 : volume 1 : report |
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| 312 | Routine laboratory water sample data for the Wensum Demonstration Test Catchment's monitoring kiosk E |
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| 313 | Environment Agency Kent area : the Seabrook stream : BSc (Hons) Environmental biology placement report |
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| 314 | Future foundations : building a better South West : a sustainable construction charter for the region |
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| 315 | Impact assessment of Helston Sewage Treatment Works on water quality of the River Cober Loe Pool |
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| 316 | An audit of performance in the analysis of biological samples in 1998. Environment Agency : AQC audit |
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| 317 | An audit of performance in the analysis of biological samples in 1998. Environment Agency : primary audit |
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| 318 | An audit of performance in the analysis of biological samples in 1999. Environment Agency : AQC audit |
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| 319 | An audit of performance in the analysis of biological samples in 1999. Environment Agency : primary audit |
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| 320 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk B |
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| 321 | Further investigation of the pilot borehole at Bean's Lane, Wortham (94/7/912) : September 1994 |
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| 322 | The Warwickshire Avon catchment management plan : consultation report summary (NRA Severn-Trent 44) |
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| 323 | An assessment of mercury contamination in the Red River catchment : final draft report |
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| 324 | River Avon, Bath : aesthetic study of riverbanks through the urban area of Bath : final report |
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| 325 | Annual review of the Colne, Upper Lee, North London and Roding, Beam and Ingerbourne catchments |
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