551 | Charging for discharges scheme : guidance to the agricultural industry |
552 | Priority and other specific polluting substances and the Water Framework Directive |
553 | 'Sea Vigil' water quality monitoring : the Humber estuary 1994 |
554 | An Aerial Photograph of Ferry House and The Pearsall Building |
555 | Review of existing practices for fluvial grass management throughout the NRA (213/1/Y) |
556 | The interpretation of rod and net catch data |
557 | Problems with sea trout and salmon in the Western Highlands |
558 | Clear Options towards an operational model for the Lee Valley Reservoirs |
559 | The Cam catchment : recommendations for statutory water quality objectives |
560 | The River Cam catchment management plan : annual monitoring report |
561 | Guidance for estimating the air quality impact of stationary sources - GN 24 |
562 | The National Centre for Toxic and Persistent Substances |
563 | Algal blooms in the Lower Tees- Perspectives and prospects
|
564 | Acidification of freshwaters: the threat and its mitigation |
565 | Pearl Mussel Image: First out of the blocks |
566 | Statement on public consultation for the Dove CMP : July 1995 |
567 | The Warwickshire Avon catchment management plan : final plan : October 1994 |
568 | FWR - User guide for assessing the impact of combined sewer overflows |
569 | The National Centre for Environmental Data and Surveillance : general leaflet |
570 | The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual) |
571 | The Use of Immuno Based Techniques for Chemical Analysis |
572 | Snapshots of the environment : integrated river basin management |
573 | Water from the River Dee : a working partnership |
574 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
575 | River quality in England and Wales : a report of the 1990 survey |