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26Rising groundwater levels in the chalk - basal sands aquifer of the central london basins
27Investigation of the water quality in the Buckland stream up and downstream of East/West Buckland
28Assessment of Ivybridge mobile monitoring station and investigation of the water quality of the River Erme and the effect of Ivybridge Sewage Treatment works final effluent
29Meiofaunal assemblages of the Thames Estuary, April 1989-March 1990 : modules I-III : a study of the meiofaunal communities present in sediment samples collected by the National Rivers Authority, Thames Region
30An estimated map of NO2 concentration in the Midlands region : a report produced for the Environment Agency
31Radioactivity in the environment : a summary and radiological assessment of the Environment Agency's monitoring programmes : report for 1996
32The application of toxicity-based criteria for the regulatory control of wastewater dicharges Response compendium March 1997
33A desk top study into the probable causes of poor water quality at Higher Hollacombe Farm (RO5K013) on the Hollacombe Lake
34Report on the quality of bathing waters in Hampshire, Sussex, Kent and the Isle of Wight : 1992 bathing season
35Assessment of the Trophic Status of Rivers using Macrophytes - supporting documentation for evaluation of the Mean Trophic Rank
36An investigation to determine if Great Torrington STW is the cause of elevated copper and zinc concentrations in the River Torridge
37Radioactivity in the environment : report for 1998 : a summary and radiological assessment of the Environment Agency's monitoring programmes
38Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1996
39Interim report on the environmental impacts of the drought on Yorkshire rivers April 1995 to April 1996
40Biosensors for environmental monitoring : a review of capabilities and strategies for the future : consultant's report to the NRA
41NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group
42Second interim report on the environmental impacts of the drought on Yorkshire's rivers April 1995 to April 1996
43Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD
44An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96
45Stream survey and assessment in the Ashford and Folkestone areas
46The fuel additive MTBE - a groundwater protection issue?
47Charging for discharges scheme : guidance to the agricultural industry
48Guidance for estimating the air quality impact of stationary sources - GN 24
49Policy and practice for the protection of groundwater : Thames Region appendix
50The 1990 river and estuary classification survey of England and Wales