551 | Clear Options towards an operational model for the Lee Valley Reservoirs |
552 | The Cam catchment : recommendations for statutory water quality objectives |
553 | The River Cam catchment management plan : annual monitoring report |
554 | Introductory guidance on the Agency's contribution to sustainable development (SD1) |
555 | Algal blooms in the Lower Tees- Perspectives and prospects
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556 | Pearl Mussel Image: First out of the blocks |
557 | Statement on public consultation for the Dove CMP : July 1995 |
558 | The Warwickshire Avon catchment management plan : final plan : October 1994 |
559 | FWR - User guide for assessing the impact of combined sewer overflows |
560 | The National Centre for Environmental Data and Surveillance : general leaflet |
561 | Project management and the scheme of delegation : a summary guide : April 1995 |
562 | The Use of Immuno Based Techniques for Chemical Analysis |
563 | Snapshots of the environment : integrated river basin management |
564 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
565 | River quality in England and Wales : a report of the 1990 survey |
566 | Snapshots of the environment : understanding coastal water quality |
567 | The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T) |
568 | The evaluation of ingold ion selective ammonium electrode (220/23/T) |
569 | Rivers of the Isle of Wight fact file |
570 | The Influence of Variations in Flow on General Quality Assessment of Rivers |
571 | Stratification in the Severn Estuary- Physical aspects and biological consequences |
572 | Catches of migratory fish in the River Don, Aberdeenshire |
573 | Stream survey and assessment in the Ashford and Folkestone areas |
574 | Lakes, Ponds and Reservoirs in the Southern Region (NRA) |
575 | The 1990 river and estuary classification survey of England and Wales |