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351The physical character of rivers and streams in the UK and Isle of Man
352The impact of industrial discharges on metal levels in biota of the West Cumbrian coast - 1990
353Environmental monitoring of the Fal Estuary to support the Fal Swan study : final draft report
354The behaviour of atrazine and simazine within the chalk aquifer : experimental results and interpretation
355A unified information system to satisfy the NRA's requirement for ecotoxicology information: the specification study
356A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989
357The application of toxicity-based criteria for the regulatory control of wastewater discharges: a consultation document
358An investigation into the effects of Alton sewage works on the River Wey North
359A brief history of the River Stour navigation : 1705 to the present day
360The Investigation and Specification of Flow Measurement Structure Design Features that Aid the Migration of Fish
361Discharges of waste under the EC titanium dioxide directives : report of the National Rivers Authority
362Protecting your future : tackling flooding in the Thames Estuary through the 21st century
363The land-use planning system and the Water Framework Directive (can't read barcode)
364The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Culm Aquifers, SW England;
365Rural sewage pollution in the '90s : report of the rural sewerage project 1993/4
366A review of the use of multifunction wardens in the Devon Area of the South Western Region of the National Rivers Authority, with particular reference to their use within the fisheries function
367Report on the national marine analytical quality control scheme 1993/94 : presented to the 18th October 1994 meeting of the Marine Pollution Monitoring Management Group
368A report on the 1992 strategic stock assessment survey of the upper Dewent catchment and the River Marron with particular reference to salmonids
369Implementation of the EC freshwater fish directive : water quality requirements for the support of fish life : report of the National Rivers Authority
370East Devon public water supply strategy as assessment of the hydrological impact of the Wimbleball pump storage scheme at key sites on the River Exe
371Biological Assessment Methods: Controlling the Quality of Biological Data. Package 1 The variability of data used for assessing the biological condition of rivers
372Response to questions posed by Northumbrian Water Authority, with special reference to the fisheries implications of the operation of the Kielder Water Scheme
373Report on the national marine analytical quality control scheme 1992/93 (MPMMG 93/12) : presented to the October 1993 meeting of the Marine Pollution Monitoring Management Group
374A map of the Queen Elizabeth National Park and the area in which the IBP L. George team were situated from late 1966 to 1972.
375The effects of ammonia in discharges from Hogsmill STW on the water quality of the River Thames at Teddington : Summer 1990 an update