576 | Priority and other specific polluting substances and the Water Framework Directive |
577 | 'Sea Vigil' water quality monitoring : the Humber estuary 1994 |
578 | Evaluation of historical data on the nutrient status of Esthwaite Water, Cumbria
|
579 | An Aerial Photograph of Ferry House and The Pearsall Building |
580 | Review of existing practices for fluvial grass management throughout the NRA (213/1/Y) |
581 | The interpretation of rod and net catch data |
582 | Research and development in the Environment Agency : a short guide |
583 | Problems with sea trout and salmon in the Western Highlands |
584 | Clear Options towards an operational model for the Lee Valley Reservoirs |
585 | The Cam catchment : recommendations for statutory water quality objectives |
586 | Guidance for estimating the air quality impact of stationary sources - GN 24 |
587 | Introductory guidance on the Agency's contribution to sustainable development (SD1) |
588 | The National Centre for Toxic and Persistent Substances |
589 | Algal blooms in the Lower Tees- Perspectives and prospects
|
590 | Acidification of freshwaters: the threat and its mitigation |
591 | Pearl Mussel Image: First out of the blocks |
592 | FWR - User guide for assessing the impact of combined sewer overflows |
593 | The National Centre for Environmental Data and Surveillance : general leaflet |
594 | Project management and the scheme of delegation : a summary guide : April 1995 |
595 | The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual) |
596 | The Use of Immuno Based Techniques for Chemical Analysis |
597 | Water from the River Dee : a working partnership |
598 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
599 | River quality in England and Wales : a report of the 1990 survey |
600 | Snapshots of the environment : understanding coastal water quality |