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51Monitoring of the Priory storm overflow on the River Tone at Taunton : June - November 1991 and water quality investigations unit January 1992
52Changes in the phosphorus content of the sediment of Esthwaite Water and water quality in response to a decreasing input of sewage-borne phosphorus
53Investigation of the effects of sewage treatment works discharges on receiving waters in the Lowermoor Water Treatment Works supply area November 1989
54Implications of draft EC Directive concerning municipal waste water treatment : Memorandum submitted by the NRA to House of Lords Select Committee on the European Communities
55Assessment of the water quality before, during and post commissioning of the interim Falmouth sewage treatment scheme - Report No. TWQ/98/02- September 1998
56An investigation to determine if South Molton STW is the cause of elevated copper and zinc concentrations downstream in the River Mole [DEV/E/18/95]
57A macroinvertebrate survey of the Releath stream and associated tributaries within the vicinity of Trevethan Farm : final draft report - Water Quality section, Cornwall area
58Report for Anglian Water, NRA Unit on the inclusion of storm water overflows into the Orwell Estuary model, and its use to predict limits for SWO discharges
59Assessment of the nutrient status and associated algal productivity of Malham Tarn, Yorkshire
60Interim guidelines on the ranges of enteric organism decay rates (T90s) under different marine conditions
61Hope Cove : non-compliance in 1998 with the European Community bathing water directive (76/160/EEC)
62Investigation into the storm overflow discharge regime of Hill Barton Seawage Treatment Works Okehampton
63Quantification of the relationship between effluent quality and biological quality : interim report for stage 1
64Visits to Cley-next-to-the-sea and Salthouse sea defences, King's Lynn sewage treatment works
65Investigation into the frequency of storm overflow operation at Bradworthy sewage treatment works (1996)
66Assessing the impact of sewage effluent disposal on groundwater (phase 2): final report
67Discharge monitoring in the Kennet catchment. Part 1 : ecological effects of sewage and trade effluents
68Impact assessment of Helston Sewage Treatment Works on water quality of the River Cober Loe Pool
69River Avon, Bath : aesthetic study of riverbanks through the urban area of Bath : final report
70Discharge consents and compliance : the NRA's approach to control of discharges to water
71Water pollution incidents in England and Wales - 1992 : report of the National Rivers Authority
72Monitoring of the River Burn upstream and downstream of Burnham Market sewage treatment works 1999
73Monitoring the effects of a combined sewer overflow discharge to a small watercourse in South Wales
74Time of travel study on the River Wandle under two different flow conditions
75Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority