426 | Low-cost modifications of the Crump weir to improve fish passage |
427 | Policy and practice for the protection of floodplains |
428 | Second annual review of the Seaton, Looe and Fowey catchment management plan |
429 | Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere |
430 | The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T) |
431 | Guidance on the use of Bioassays in Ecological Risk Assessment |
432 | The National Rivers Authority employee attitude survey : summary |
433 | The Use of a Hydroacoustic Counter for Assessing Salmon Stocks |
434 | Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A) |
435 | Pesticides in the aquatic environment 1997 : executive summary |
436 | Mercury and methylmercury in the river Yare, Norfolk (OI/420/8/A) |
437 | Draft protocol for the derivation of Toxicity Based Consents |
438 | Second Coniston OS map related to the Seismic Survey 1983 |
439 | Note 2 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983 |
440 | Note 1 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983 |
441 | Coniston OS map related to the Seismic Survey 1983 |
442 | The flood of February 1990 : technical services flood monitoring report |
443 | Sustainable drainage systems (SuDS) : an evaluation using the Natural Step framework |
444 | Flood alleviation proposals for Bakewell and Ashford in the Water |
445 | An update on the Hexham flood alleviation scheme, Autumn 2006 |
446 | (Bilingual) Assessing the impact of dewatering on water resources |
447 | Biodiversity strategy and action plan for the Environment Agency (Thames Region) |
448 | Working together for the coast : catchment, shoreline and estuary management plans |
449 | A natural assets register for the Sankey catchment. Volume 2 |
450 | Clinical waste management in the community : a guide to managing waste |