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376The application of toxicity-based criteria for the regulatory control of wastewater discharges: a consultation document
377An investigation into the effects of Alton sewage works on the River Wey North
378A brief history of the River Stour navigation : 1705 to the present day
379The Investigation and Specification of Flow Measurement Structure Design Features that Aid the Migration of Fish
380Discharges of waste under the EC titanium dioxide directives : report of the National Rivers Authority
381Protecting your future : tackling flooding in the Thames Estuary through the 21st century
382The land-use planning system and the Water Framework Directive (can't read barcode)
383The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Culm Aquifers, SW England;
384Rural sewage pollution in the '90s : report of the rural sewerage project 1993/4
385Report 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
386A 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
387Responses to 'Outlook for the environment' : a summary of the responses to the Environment Agency's consulation on the priorities for investment by water companies in environmental improvements as part of the Periodic Review
388Report on the national marine analytical quality control scheme 1993/94 : presented to the 18th October 1994 meeting of the Marine Pollution Monitoring Management Group
389Identification of Blue Green Algae of the British Isles Guide to the Genera and Use of the Interactive CD-ROM for Identification of Species
390Outlook for the environment : a consultation paper by the Environment Agency on the priorities for investment by water companies in environmental improvements
391Implementation of the EC freshwater fish directive : water quality requirements for the support of fish life : report of the National Rivers Authority
392Biological Assessment Methods: Controlling the Quality of Biological Data. Package 1 The variability of data used for assessing the biological condition of rivers
393Report 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
394A map of the Queen Elizabeth National Park and the area in which the IBP L. George team were situated from late 1966 to 1972.
395The effects of ammonia in discharges from Hogsmill STW on the water quality of the River Thames at Teddington : Summer 1990 an update
3961995 drought report : a report on the severity of the drought of 1995 and its effect in the Severn and Trent catchments
397Pesticides in the aquatic environment : report of the National Rivers Authority, prepared by the National Centre for Toxic and Persistant Substances (TAPS)
398The Role of Bankside Habitat in River Ecology: The importance of riparian and marginal vegetation on the distribution and abundance of aquatice invertebrates
399The Movements of Atlantic Salmon (Salmo salar L.) and Sea Trout (Salmo trutta L.) Smolts in the Impounded Estuary of the R.Tawe, South Wales
400The effects of water resources management on the rivers Bure, Wensum and Nar in North Norfolk : Final project report to the National Rivers Authority. July 1994