| 426 | Best Available Techniques For The Control Of Pollution In Inorganic Chemical Processes - Appendix |
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| 427 | Report on the By Brook low flow investigations : October 2001 : volume 2 : (figures, maps and appendices) |
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| 428 | Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996 |
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| 429 | Annual classification of river water quality 1992 : numbers of samples exceeding the quality standard |
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| 430 | Thames Environment 21. The Environment Agency strategy for land-use planning in Thames Region |
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| 431 | Bathing water quality in England and Wales in 1994 : report of the National Rivers Authority |
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| 432 | The government's policy for a public regulatory body in a privatised water industry |
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| 433 | Interim guidelines on the ranges of enteric organism decay rates (T90s) under different marine conditions |
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| 434 | Trevone Bay beach EC bathing water guideline non-compliance : investigation into the Trevone Stream : final report |
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| 435 | Water pollution incidents in England and Wales 1994 : report of the National Rivers Authority |
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| 436 | Discharge consents and compliance : the NRA's approach to control of discharges to water |
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| 437 | Saving water : the NRA's approach to water conservation and demand management : a consultation report |
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| 438 | Old Bedford incorporating the Middle Level and Ouse Washes : consultation report - May 1997 |
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| 439 | Impact assessment of Helston Sewage Treatment Works on water quality of the River Cober Loe Pool |
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| 440 | Improved monitoring for surface water quality : the development of a manual of best practice |
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| 441 | The River Babingley. Volume 1 : executive summary : a report for National Rivers Authority, Anglian Region |
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| 442 | Water pollution incidents in England and Wales - 1990 : report of the National Rivers Authority |
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| 443 | Economic evaluation of inland fisheries: The economic impact of freshwater angling in England and Wales |
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| 444 | Demand for irrigation water (413/1/A) : progress report for the period August 1992 to January 1993 |
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| 445 | An audit of performance in the processing of macro-invertebrate samples in 1992 |
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| 446 | Annual review of the Colne, Upper Lee, North London and Roding, Beam and Ingerbourne catchments |
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| 447 | Hope Cove : non-compliance in 1998 with the European Community bathing water directive (76/160/EEC) |
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| 448 | The hydrological effects of demand management : project definition stage report : 28th May 1996 |
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| 449 | Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000 |
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| 450 | Further investigation of the pilot borehole at Bean's Lane, Wortham (94/7/912) : September 1994 |
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