551 | The interpretation of rod and net catch data |
552 | Research and development in the Environment Agency : a short guide |
553 | Problems with sea trout and salmon in the Western Highlands |
554 | Clear Options towards an operational model for the Lee Valley Reservoirs |
555 | The Cam catchment : recommendations for statutory water quality objectives |
556 | The River Cam catchment management plan : annual monitoring report |
557 | Guidance for estimating the air quality impact of stationary sources - GN 24 |
558 | Introductory guidance on the Agency's contribution to sustainable development (SD1) |
559 | The National Centre for Toxic and Persistent Substances |
560 | Pearl Mussel Image: First out of the blocks |
561 | Statement on public consultation for the Dove CMP : July 1995 |
562 | The Warwickshire Avon catchment management plan : final plan : October 1994 |
563 | FWR - User guide for assessing the impact of combined sewer overflows |
564 | The National Centre for Environmental Data and Surveillance : general leaflet |
565 | Project management and the scheme of delegation : a summary guide : April 1995 |
566 | The Use of Immuno Based Techniques for Chemical Analysis |
567 | Snapshots of the environment : integrated river basin management |
568 | River quality in England and Wales : a report of the 1990 survey |
569 | Snapshots of the environment : understanding coastal water quality |
570 | The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T) |
571 | The evaluation of ingold ion selective ammonium electrode (220/23/T) |
572 | Rivers of the Isle of Wight fact file |
573 | Stratification in the Severn Estuary- Physical aspects and biological consequences |
574 | The Mersey estuary : a report on environmental quality |
575 | 'Sea Vigil' water quality monitoring : the East coast 1992-1993 |