601 | Guidance for estimating the air quality impact of stationary sources - GN 24 |
602 | Introductory guidance on the Agency's contribution to sustainable development (SD1) |
603 | The National Centre for Toxic and Persistent Substances |
604 | Algal blooms in the Lower Tees- Perspectives and prospects
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605 | Acidification of freshwaters: the threat and its mitigation |
606 | Pearl Mussel Image: First out of the blocks |
607 | FWR - User guide for assessing the impact of combined sewer overflows |
608 | The National Centre for Environmental Data and Surveillance : general leaflet |
609 | Project management and the scheme of delegation : a summary guide : April 1995 |
610 | The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual) |
611 | The Use of Immuno Based Techniques for Chemical Analysis |
612 | Water from the River Dee : a working partnership |
613 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
614 | River quality in England and Wales : a report of the 1990 survey |
615 | Snapshots of the environment : understanding coastal water quality |
616 | The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T) |
617 | The evaluation of ingold ion selective ammonium electrode (220/23/T) |
618 | The Influence of Variations in Flow on General Quality Assessment of Rivers |
619 | Stratification in the Severn Estuary- Physical aspects and biological consequences |
620 | The Mersey estuary : a report on environmental quality |
621 | 'Sea Vigil' water quality monitoring : the East coast 1992-1993 |
622 | Catches of migratory fish in the River Don, Aberdeenshire |
623 | Stream survey and assessment in the Ashford and Folkestone areas |
624 | Lakes, Ponds and Reservoirs in the Southern Region (NRA) |
625 | The 1990 river and estuary classification survey of England and Wales |