| 601 | The National Centre for Environmental Data and Surveillance : general leaflet |
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| 602 | Project management and the scheme of delegation : a summary guide : April 1995 |
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| 603 | The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual) |
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| 604 | The Use of Immuno Based Techniques for Chemical Analysis |
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| 605 | Snapshots of the environment : integrated river basin management |
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| 606 | Water from the River Dee : a working partnership |
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| 607 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
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| 608 | River quality in England and Wales : a report of the 1990 survey |
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| 609 | Snapshots of the environment : understanding coastal water quality |
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| 610 | The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T) |
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| 611 | The evaluation of ingold ion selective ammonium electrode (220/23/T) |
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| 612 | Rivers of the Isle of Wight fact file |
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| 613 | The Influence of Variations in Flow on General Quality Assessment of Rivers |
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| 614 | Stratification in the Severn Estuary- Physical aspects and biological consequences |
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| 615 | The Mersey estuary : a report on environmental quality |
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| 616 | 'Sea Vigil' water quality monitoring : the East coast 1992-1993 |
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| 617 | Catches of migratory fish in the River Don, Aberdeenshire |
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| 618 | Stream survey and assessment in the Ashford and Folkestone areas |
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| 619 | Lakes, Ponds and Reservoirs in the Southern Region (NRA) |
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| 620 | The 1990 river and estuary classification survey of England and Wales |
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| 621 | The evaluation of an orion ammonium ion selective electrode (220/15/T) |
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| 622 | An Independent Review of the Defra/EA Research and Development Joint |
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| 623 | Anthropogenic Impacts on the Hydrology of Rivers and Lochs |
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| 624 | Dissemination of the Revitalised FEH Rainfall-runoff Method |
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| 625 | General guide to the prevention of water pollution |
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