601 | The interpretation of rod and net catch data |
602 | Research and development in the Environment Agency : a short guide |
603 | Problems with sea trout and salmon in the Western Highlands |
604 | Clear Options towards an operational model for the Lee Valley Reservoirs |
605 | The Cam catchment : recommendations for statutory water quality objectives |
606 | Guidance for estimating the air quality impact of stationary sources - GN 24 |
607 | Introductory guidance on the Agency's contribution to sustainable development (SD1) |
608 | The National Centre for Toxic and Persistent Substances |
609 | Algal blooms in the Lower Tees- Perspectives and prospects
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610 | Acidification of freshwaters: the threat and its mitigation |
611 | Pearl Mussel Image: First out of the blocks |
612 | FWR - User guide for assessing the impact of combined sewer overflows |
613 | The National Centre for Environmental Data and Surveillance : general leaflet |
614 | Project management and the scheme of delegation : a summary guide : April 1995 |
615 | The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual) |
616 | The Use of Immuno Based Techniques for Chemical Analysis |
617 | Snapshots of the environment : integrated river basin management |
618 | Water from the River Dee : a working partnership |
619 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
620 | Snapshots of the environment : understanding coastal water quality |
621 | The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T) |
622 | The evaluation of ingold ion selective ammonium electrode (220/23/T) |
623 | Rivers of the Isle of Wight fact file |
624 | The Influence of Variations in Flow on General Quality Assessment of Rivers |
625 | Stratification in the Severn Estuary- Physical aspects and biological consequences |