401 | Guidance on the use of Bioassays in Ecological Risk Assessment |
402 | The National Rivers Authority employee attitude survey : summary |
403 | The Use of a Hydroacoustic Counter for Assessing Salmon Stocks |
404 | Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A) |
405 | Pesticides in the aquatic environment 1997 : executive summary |
406 | Mercury and methylmercury in the river Yare, Norfolk (OI/420/8/A) |
407 | Draft protocol for the derivation of Toxicity Based Consents |
408 | Assessment of the Impact of Nutrient Removal on Eutrophic Rivers |
409 | Second Coniston OS map related to the Seismic Survey 1983 |
410 | Note 2 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983 |
411 | Note 1 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983 |
412 | Coniston OS map related to the Seismic Survey 1983 |
413 | The flood of February 1990 : technical services flood monitoring report |
414 | Sustainable drainage systems (SuDS) : an evaluation using the Natural Step framework |
415 | Flood alleviation proposals for Bakewell and Ashford in the Water |
416 | An update on the Hexham flood alleviation scheme, Autumn 2006 |
417 | (Bilingual) Assessing the impact of dewatering on water resources |
418 | Biodiversity strategy and action plan for the Environment Agency (Thames Region) |
419 | Working together for the coast : catchment, shoreline and estuary management plans |
420 | A natural assets register for the Sankey catchment. Volume 2 |
421 | Clinical waste management in the community : a guide to managing waste |
422 | Data mining of calculations for the control of emissions of organic compounds |
423 | Bacteriological monitoring of freshwater rivers in the Thames Region 1995 |
424 | Buckingham flood defence improvements : presentation of the preferred option |
425 | Bass fishing in the Fal estuary and coastal area |