401 | 'Sea Vigil' water quality monitoring : the Humber estuary 1994 |
402 | Evaluation of historical data on the nutrient status of Esthwaite Water, Cumbria
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403 | An Aerial Photograph of Ferry House and The Pearsall Building |
404 | Review of existing practices for fluvial grass management throughout the NRA (213/1/Y) |
405 | The interpretation of rod and net catch data |
406 | Research and development in the Environment Agency : a short guide |
407 | Problems with sea trout and salmon in the Western Highlands |
408 | Clear Options towards an operational model for the Lee Valley Reservoirs |
409 | Guidance for estimating the air quality impact of stationary sources - GN 24 |
410 | Introductory guidance on the Agency's contribution to sustainable development (SD1) |
411 | The National Centre for Toxic and Persistent Substances |
412 | Algal blooms in the Lower Tees- Perspectives and prospects
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413 | Acidification of freshwaters: the threat and its mitigation |
414 | Pearl Mussel Image: First out of the blocks |
415 | FWR - User guide for assessing the impact of combined sewer overflows |
416 | The National Centre for Environmental Data and Surveillance : general leaflet |
417 | Project management and the scheme of delegation : a summary guide : April 1995 |
418 | The groundwater regulations (Bilingual) : Rheoliadau dwr daear (Bilingual) |
419 | The Use of Immuno Based Techniques for Chemical Analysis |
420 | Snapshots of the environment : integrated river basin management |
421 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
422 | Snapshots of the environment : understanding coastal water quality |
423 | The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T) |
424 | The evaluation of ingold ion selective ammonium electrode (220/23/T) |
425 | Stratification in the Severn Estuary- Physical aspects and biological consequences |