526 | Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere |
527 | The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T) |
528 | Guidance on the use of Bioassays in Ecological Risk Assessment |
529 | The National Rivers Authority employee attitude survey : summary |
530 | The Use of a Hydroacoustic Counter for Assessing Salmon Stocks |
531 | Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A) |
532 | Pesticides in the aquatic environment 1997 : executive summary |
533 | Targeted Monitoring Programme for Pharmaceuticals in the Aquatic Environment |
534 | The Louth coastal catchment management plan : final report |
535 | Snapshots of the environment : a new environmental approach |
536 | Draft protocol for the derivation of Toxicity Based Consents |
537 | Assessment of the Impact of Nutrient Removal on Eutrophic Rivers |
538 | The flood of February 1990 : technical services flood monitoring report |
539 | Sustainable drainage systems (SuDS) : an evaluation using the Natural Step framework |
540 | Policy and practice for the protection of groundwater : Southern region appendix |
541 | Uses of the water environment: factsheet number six |
542 | River basin planning and the Water Framework Directive |
543 | An update on the Hexham flood alleviation scheme, Autumn 2006 |
544 | (Bilingual) Assessing the impact of dewatering on water resources |
545 | Catches of Brown Trout in the River Don |
546 | Environmental snapshot for the East of England [2000] |
547 | Biodiversity strategy and action plan for the Environment Agency (Thames Region) |
548 | Working together for the coast : catchment, shoreline and estuary management plans |
549 | Biological water quality monitoring in the Midlands region |
550 | Hampshire and the Isle of Wight local contribution 2006/11 |