551 | Quality audit of biological samples for the 1991 river quality survey |
552 | Pesticides in the aquatic environment 1997 full report |
553 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994 |
554 | The precious resource : a brief guide to managing our water resources |
555 | Quantification of the relationship between effluent quality and biological quality : final report |
556 | Charging for discharges scheme : guidance to the agricultural industry |
557 | Priority and other specific polluting substances and the Water Framework Directive |
558 | 'Sea Vigil' water quality monitoring : the Humber estuary 1994 |
559 | Evaluation of historical data on the nutrient status of Esthwaite Water, Cumbria
|
560 | An Aerial Photograph of Ferry House and The Pearsall Building |
561 | Review of existing practices for fluvial grass management throughout the NRA (213/1/Y) |
562 | The interpretation of rod and net catch data |
563 | Research and development in the Environment Agency : a short guide |
564 | Problems with sea trout and salmon in the Western Highlands |
565 | Clear Options towards an operational model for the Lee Valley Reservoirs |
566 | Guidance for estimating the air quality impact of stationary sources - GN 24 |
567 | Introductory guidance on the Agency's contribution to sustainable development (SD1) |
568 | The National Centre for Toxic and Persistent Substances |
569 | Algal blooms in the Lower Tees- Perspectives and prospects
|
570 | Acidification of freshwaters: the threat and its mitigation |
571 | Pearl Mussel Image: First out of the blocks |
572 | Statement on public consultation for the Dove CMP : July 1995 |
573 | The Warwickshire Avon catchment management plan : final plan : October 1994 |
574 | FWR - User guide for assessing the impact of combined sewer overflows |
575 | The National Centre for Environmental Data and Surveillance : general leaflet |