| 501 | Introductory guidance on the Agency's contribution to sustainable development (SD1) |
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| 502 | Algal blooms in the Lower Tees- Perspectives and prospects
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| 503 | Acidification of freshwaters: the threat and its mitigation |
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| 504 | Pearl Mussel Image: First out of the blocks |
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| 505 | Statement on public consultation for the Dove CMP : July 1995 |
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| 506 | The Warwickshire Avon catchment management plan : final plan : October 1994 |
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| 507 | Project management and the scheme of delegation : a summary guide : April 1995 |
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| 508 | The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual) |
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| 509 | The Use of Immuno Based Techniques for Chemical Analysis |
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| 510 | Water from the River Dee : a working partnership |
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| 511 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
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| 512 | River quality in England and Wales : a report of the 1990 survey |
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| 513 | The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T) |
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| 514 | The evaluation of ingold ion selective ammonium electrode (220/23/T) |
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| 515 | Rivers of the Isle of Wight fact file |
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| 516 | Stratification in the Severn Estuary- Physical aspects and biological consequences |
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| 517 | The Mersey estuary : a report on environmental quality |
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| 518 | Lakes, Ponds and Reservoirs in the Southern Region (NRA) |
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| 519 | The 1990 river and estuary classification survey of England and Wales |
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| 520 | The evaluation of an orion ammonium ion selective electrode (220/15/T) |
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| 521 | An Independent Review of the Defra/EA Research and Development Joint |
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| 522 | Anthropogenic Impacts on the Hydrology of Rivers and Lochs |
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| 523 | Dissemination of the Revitalised FEH Rainfall-runoff Method |
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| 524 | General guide to the prevention of water pollution |
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| 525 | Guidance on the use of Soil Screening Values for Ecological Risk Assessment |
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