476 | Review of Lake Benthic Macro-invertebrate Sampling Methods and Strategy for the Water Framework Directive |
477 | The Environment Agency water efficiency awards 2003 : inspirational case studies demonstrating good practice across all sectors |
478 | The impact of climate change on severe droughts: River-flow reconstructions and implied groundwater levels |
479 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk C |
480 | NRA programme for the monitoring of water quality Parts 1 to 3 - November 1994 |
481 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk E |
482 | National marine baseline survey 1995 : littoral cell 7 : Lands End to the Severn Estuary |
483 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk F |
484 | Proceedings of the conference National Minewaters 20th -21st April 1998 Tapton Hall Sheffield University |
485 | Distribution of Macroinvertebrates in English and Welsh Rivers based on the 1995 Survey |
486 | The disposal of sheep dip waste (R and D Report 11) : effects on water quality |
487 | Routine laboratory water sample data for the Wensum Demonstration Test Catchment's monitoring kiosk F |
488 | Criteria for WFD Groundwater Good 'Quantitative Status' and a framework for the assessment of groundwater abstractions |
489 | Quantification of the relationship between effluent quality and biological quality : interim report for stage 1 |
490 | Bathing water quality in England and Wales in 1995 : report of the National Rivers Authority |
491 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk M |
492 | Devon area internal report - further investigations into pipe discharges in the Lower Teign estuary |
493 | Alleviation of low flow studies : the River Avon and its tributaries near Malmesbury : towards a solution |
494 | A report on water quality issues within the Midford Brook catchment - June 1996 |
495 | National marine baseline survey 1995 : littoral cell 11 : Great Orme to the Solway Firth |
496 | Investigation into the frequency of storm overflow operation at Bradworthy sewage treatment works (1996) |
497 | Microbiological examination of coastal waters in the North West : summary of results 1998 |
498 | Report on the By Brook low flow investigations : October 2001 : volume 2 : (figures, maps and appendices) |
499 | Bathing water quality in England and Wales in 1993 : report of the National Rivers Authority |
500 | Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority |