401 | General awareness, environment management and the Water Framework Directive (WFD) |
402 | Further Validation of PHABSIM for the Habitat Requirements of Salmonid Fish |
403 | Instream Flow Requirements of the River Wissey, Norfolk, Annex C - April 1993
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404 | A second stage evaluation of the Grant YSI3815 Water Logger |
405 | The identification and investigation of a dinoflagellate bloom in Mounts Bay, Cornwall |
406 | An investigation of sewage on the beach at Porthcothan |
407 | Charging for discharges scheme : guidance to the engineering industry |
408 | The Test catchment southern : recommendations for statutory water quality objectives |
409 | The Worcestershire Stour catchment : recommendations for statutory water quality objectives |
410 | An assessment of river water quality in the River Kenn |
411 | A survey of ferruginous minewater impacts in the Welsh coalfields |
412 | A survey of ferruginous minewater impacts in the Welsh coalfields |
413 | Dioxins and the River Doe Lea : plain English report |
414 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
415 | The quality of rivers and estuaries in Northumbria region 1990 |
416 | A guide to sustainable urban drainage : protecting the quality of our environment |
417 | Estuarial migration of Atlantic salmon in the river Dee (North Wales) |
418 | Doe Lea restoration study : the work of WRc |
419 | The NRA in business : annual review and summary accounts 1993-94 |
420 | Cyanobacteria (blue-green algae) in the south west region 1989 |
421 | Toxic blue-green algae : a report by the National Rivers Authority |
422 | Investigation of salinity in the river Thurne catchment of North East Norfolk |
423 | Catchment abstraction management strategies (CAMS) and the Water Framework Directive (WFD) |
424 | Managing water abstraction : the catchment abstraction management strategy process : April 2001 |
425 | Water quality investigations in the Newlyn river catchment |