| 626 | Introductory guidance on the Agency's contribution to sustainable development (SD1) |
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| 627 | The National Centre for Toxic and Persistent Substances |
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| 628 | Algal blooms in the Lower Tees- Perspectives and prospects
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| 629 | Acidification of freshwaters: the threat and its mitigation |
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| 630 | Pearl Mussel Image: First out of the blocks |
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| 631 | Statement on public consultation for the Dove CMP : July 1995 |
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| 632 | FWR - User guide for assessing the impact of combined sewer overflows |
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| 633 | The National Centre for Environmental Data and Surveillance : general leaflet |
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| 634 | Project management and the scheme of delegation : a summary guide : April 1995 |
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| 635 | The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual) |
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| 636 | The Use of Immuno Based Techniques for Chemical Analysis |
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| 637 | Snapshots of the environment : integrated river basin management |
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| 638 | Water from the River Dee : a working partnership |
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| 639 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
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| 640 | River quality in England and Wales : a report of the 1990 survey |
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| 641 | Snapshots of the environment : understanding coastal water quality |
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| 642 | The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T) |
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| 643 | The evaluation of ingold ion selective ammonium electrode (220/23/T) |
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| 644 | Rivers of the Isle of Wight fact file |
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| 645 | The Influence of Variations in Flow on General Quality Assessment of Rivers |
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| 646 | Stratification in the Severn Estuary- Physical aspects and biological consequences |
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| 647 | Catches of migratory fish in the River Don, Aberdeenshire |
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| 648 | Stream survey and assessment in the Ashford and Folkestone areas |
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| 649 | Lakes, Ponds and Reservoirs in the Southern Region (NRA) |
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| 650 | The 1990 river and estuary classification survey of England and Wales |
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