426 | Report on the By Brook low flow investigations : October 2001 : volume 2 : (figures, maps and appendices) |
427 | Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996 |
428 | Evaluating the impact of groundwater abstraction on key conservation sites. Stage 1 reports for AMP3 |
429 | Annual classification of river water quality 1992 : numbers of samples exceeding the quality standard |
430 | Extending Rutland yield analysis to 1933 : supporting documentation for the regional water resources strategy |
431 | Future water resources in the Thames Region : a strategy for sustainable management : summary document |
432 | Analysis of bacteriological contamination and accumulation of metals and organics in the mussel (Mytilus edulis) |
433 | Monitoring the effects of a combined sewer overflow discharge to a small watercourse in South Wales |
434 | Interim guidelines on the ranges of enteric organism decay rates (T90s) under different marine conditions |
435 | Trevone Bay beach EC bathing water guideline non-compliance : investigation into the Trevone Stream : final report |
436 | Quantification of the relationship between effluent quality and biological quality : interim report for stage 1 |
437 | The Somerset Levels and Moors : water level management and nature conservation : consultation paper |
438 | Land use practices and pathways of pesticide residues in the Mount's Bay catchment, Cornwall |
439 | Microbiological examination of coastal waters in the North West : summary of results 1998 |
440 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk D in 2011 |
441 | Routine laboratory water sample data for the Wensum Demonstration Test Catchment's monitoring kiosk A |
442 | Old Bedford incorporating the Middle Level and Ouse Washes : consultation report - May 1997 |
443 | Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development |
444 | Impact assessment of Helston Sewage Treatment Works on water quality of the River Cober Loe Pool |
445 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk C in 2013 |
446 | YSI, turbidity and discharge data for the Wensum Demonstration Test Catchment's monitoring kiosk M in 2014 |
447 | The River Babingley. Volume 1 : executive summary : a report for National Rivers Authority, Anglian Region |
448 | An audit of performance in the processing of macro-invertebrate samples in 1992 |
449 | Routine laboratory water sample data for the Wensum Demonstration Test Catchment's monitoring kiosk D |
450 | Annual review of the Colne, Upper Lee, North London and Roding, Beam and Ingerbourne catchments |