551 | The Yarrow catchment : recommendations for statutory water quality objectives |
552 | Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere |
553 | The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T) |
554 | Guidance on the use of Bioassays in Ecological Risk Assessment |
555 | The National Rivers Authority employee attitude survey : summary |
556 | The Use of a Hydroacoustic Counter for Assessing Salmon Stocks |
557 | Pesticides in the aquatic environment 1997 : executive summary |
558 | Mercury and methylmercury in the river Yare, Norfolk (OI/420/8/A) |
559 | The Louth coastal catchment management plan : final report |
560 | Fine sediment deposition in the River Keer : geomorphological assessment |
561 | Draft protocol for the derivation of Toxicity Based Consents |
562 | Assessment of the Impact of Nutrient Removal on Eutrophic Rivers |
563 | Second Coniston OS map related to the Seismic Survey 1983 |
564 | Note 2 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983 |
565 | Note 1 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983 |
566 | Coniston OS map related to the Seismic Survey 1983 |
567 | Sustainable drainage systems (SuDS) : an evaluation using the Natural Step framework |
568 | River basin planning and the Water Framework Directive |
569 | Flood alleviation proposals for Bakewell and Ashford in the Water |
570 | An update on the Hexham flood alleviation scheme, Autumn 2006 |
571 | (Bilingual) Assessing the impact of dewatering on water resources |
572 | Catches of Brown Trout in the River Don |
573 | Environmental snapshot for the East of England [2000] |
574 | Working together for the coast : catchment, shoreline and estuary management plans |
575 | Biological water quality monitoring in the Midlands region |