| 501 | Priority and other specific polluting substances and the Water Framework Directive |
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| 502 | 'Sea Vigil' water quality monitoring : the Humber estuary 1994 |
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| 503 | Evaluation of historical data on the nutrient status of Esthwaite Water, Cumbria
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| 504 | An Aerial Photograph of Ferry House and The Pearsall Building |
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| 505 | Review of existing practices for fluvial grass management throughout the NRA (213/1/Y) |
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| 506 | The interpretation of rod and net catch data |
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| 507 | Research and development in the Environment Agency : a short guide |
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| 508 | Problems with sea trout and salmon in the Western Highlands |
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| 509 | Clear Options towards an operational model for the Lee Valley Reservoirs |
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| 510 | The Cam catchment : recommendations for statutory water quality objectives |
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| 511 | Guidance for estimating the air quality impact of stationary sources - GN 24 |
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| 512 | Introductory guidance on the Agency's contribution to sustainable development (SD1) |
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| 513 | Algal blooms in the Lower Tees- Perspectives and prospects
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| 514 | Acidification of freshwaters: the threat and its mitigation |
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| 515 | Pearl Mussel Image: First out of the blocks |
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| 516 | Statement on public consultation for the Dove CMP : July 1995 |
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| 517 | Project management and the scheme of delegation : a summary guide : April 1995 |
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| 518 | The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual) |
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| 519 | The Use of Immuno Based Techniques for Chemical Analysis |
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| 520 | Water from the River Dee : a working partnership |
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| 521 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
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| 522 | River quality in England and Wales : a report of the 1990 survey |
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| 523 | Snapshots of the environment : understanding coastal water quality |
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| 524 | The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T) |
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| 525 | The evaluation of ingold ion selective ammonium electrode (220/23/T) |
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