476 | Guidance for estimating the air quality impact of stationary sources - GN 24 |
477 | Introductory guidance on the Agency's contribution to sustainable development (SD1) |
478 | The National Centre for Toxic and Persistent Substances |
479 | Algal blooms in the Lower Tees- Perspectives and prospects
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480 | Acidification of freshwaters: the threat and its mitigation |
481 | Pearl Mussel Image: First out of the blocks |
482 | Statement on public consultation for the Dove CMP : July 1995 |
483 | The Warwickshire Avon catchment management plan : final plan : October 1994 |
484 | FWR - User guide for assessing the impact of combined sewer overflows |
485 | The National Centre for Environmental Data and Surveillance : general leaflet |
486 | Project management and the scheme of delegation : a summary guide : April 1995 |
487 | The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual) |
488 | The Use of Immuno Based Techniques for Chemical Analysis |
489 | Snapshots of the environment : integrated river basin management |
490 | Water from the River Dee : a working partnership |
491 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
492 | River quality in England and Wales : a report of the 1990 survey |
493 | Snapshots of the environment : understanding coastal water quality |
494 | The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T) |
495 | The evaluation of ingold ion selective ammonium electrode (220/23/T) |
496 | The Influence of Variations in Flow on General Quality Assessment of Rivers |
497 | Stratification in the Severn Estuary- Physical aspects and biological consequences |
498 | The Mersey estuary : a report on environmental quality |
499 | 'Sea Vigil' water quality monitoring : the East coast 1992-1993 |
500 | Catches of migratory fish in the River Don, Aberdeenshire |