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326The impact of industrial discharges on metal levels in biota of the West Cumbrian coast - 1990
327Environmental monitoring of the Fal Estuary to support the Fal Swan study : final draft report
328The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment
329The behaviour of atrazine and simazine within the chalk aquifer : experimental results and interpretation
330A unified information system to satisfy the NRA's requirement for ecotoxicology information: the specification study
331A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989
332A collation of the environmental impact work carried out following the Rosebay oil spill, May 1990
333The application of toxicity-based criteria for the regulatory control of wastewater discharges: a consultation document
334A brief history of the River Stour navigation : 1705 to the present day
335The Investigation and Specification of Flow Measurement Structure Design Features that Aid the Migration of Fish
336Discharges of waste under the EC titanium dioxide directives : report of the National Rivers Authority
337The land-use planning system and the Water Framework Directive (can't read barcode)
338The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Culm Aquifers, SW England;
339Report for Anglian Water, NRA Unit on the uses of the Orwell and the Stour Estuaries and the use of the mathematical model to derive long term consent limits for all inputs to Orwell Estuary
340Report on the national marine analytical quality control scheme 1993/94 : presented to the 18th October 1994 meeting of the Marine Pollution Monitoring Management Group
341Identification of Blue Green Algae of the British Isles Guide to the Genera and Use of the Interactive CD-ROM for Identification of Species
342Implementation of the EC freshwater fish directive : water quality requirements for the support of fish life : report of the National Rivers Authority
343East Devon public water supply strategy as assessment of the hydrological impact of the Wimbleball pump storage scheme at key sites on the River Exe
344Biological Assessment Methods: Controlling the Quality of Biological Data. Package 1 The variability of data used for assessing the biological condition of rivers
345Response to questions posed by Northumbrian Water Authority, with special reference to the fisheries implications of the operation of the Kielder Water Scheme
346Report 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
347A map of the Queen Elizabeth National Park and the area in which the IBP L. George team were situated from late 1966 to 1972.
348The effects of ammonia in discharges from Hogsmill STW on the water quality of the River Thames at Teddington : Summer 1990 an update
3491995 drought report : a report on the severity of the drought of 1995 and its effect in the Severn and Trent catchments
350Pesticides in the aquatic environment : report of the National Rivers Authority, prepared by the National Centre for Toxic and Persistant Substances (TAPS)