| 576 | The interpretation of rod and net catch data |
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| 577 | Problems with sea trout and salmon in the Western Highlands |
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| 578 | Clear Options towards an operational model for the Lee Valley Reservoirs |
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| 579 | The Cam catchment : recommendations for statutory water quality objectives |
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| 580 | The River Cam catchment management plan : annual monitoring report |
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| 581 | Guidance for estimating the air quality impact of stationary sources - GN 24 |
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| 582 | The National Centre for Toxic and Persistent Substances |
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| 583 | Algal blooms in the Lower Tees- Perspectives and prospects
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| 584 | Acidification of freshwaters: the threat and its mitigation |
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| 585 | Pearl Mussel Image: First out of the blocks |
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| 586 | Statement on public consultation for the Dove CMP : July 1995 |
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| 587 | The Warwickshire Avon catchment management plan : final plan : October 1994 |
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| 588 | FWR - User guide for assessing the impact of combined sewer overflows |
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| 589 | The National Centre for Environmental Data and Surveillance : general leaflet |
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| 590 | The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual) |
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| 591 | The Use of Immuno Based Techniques for Chemical Analysis |
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| 592 | Snapshots of the environment : integrated river basin management |
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| 593 | Water from the River Dee : a working partnership |
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| 594 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
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| 595 | River quality in England and Wales : a report of the 1990 survey |
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| 596 | Snapshots of the environment : understanding coastal water quality |
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| 597 | The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T) |
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| 598 | The evaluation of ingold ion selective ammonium electrode (220/23/T) |
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| 599 | Rivers of the Isle of Wight fact file |
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| 600 | The Influence of Variations in Flow on General Quality Assessment of Rivers |
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