426 | The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual) |
427 | The Use of Immuno Based Techniques for Chemical Analysis |
428 | Snapshots of the environment : integrated river basin management |
429 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
430 | Snapshots of the environment : understanding coastal water quality |
431 | The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T) |
432 | The evaluation of ingold ion selective ammonium electrode (220/23/T) |
433 | Stratification in the Severn Estuary- Physical aspects and biological consequences |
434 | The Mersey estuary : a report on environmental quality |
435 | 'Sea Vigil' water quality monitoring : the East coast 1992-1993 |
436 | Catches of migratory fish in the River Don, Aberdeenshire |
437 | Stream survey and assessment in the Ashford and Folkestone areas |
438 | The evaluation of an orion ammonium ion selective electrode (220/15/T) |
439 | Dissemination of the Revitalised FEH Rainfall-runoff Method |
440 | General guide to the prevention of water pollution |
441 | Highway runoff: Effects of soluble pollutants on the ecology of receiving waters |
442 | Life cycle assessment of disposable and reusable nappies in the UK |
443 | Managing the social aspects of flooding: Synthesis Report |
444 | Model For Investigating The Impacts Of Groundwater Abstraction |
445 | Operational mechanisms for the protection and enhancement of headwaters |
446 | Policy and practice for the protection of groundwater : regional appendix Welsh region |
447 | Procurement legislation and the NRA : a brief guide |
448 | Survey of copper speciation in the Great Ouse estuary |
449 | Sustainable development indicators : monitoring change in the East Midlands |
450 | Technical Support Materials for the Regulation of Radioactively Contaminated Land |