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4301Monitored TP and TRP concentrations at Ebble downtream site, Hampshire Avon catchment
4302Grafham Water : biological monitoring re : FeSO4 dosing supplementary report : Nov. 1992-Jan.1993
4303Guide to freshwater fishing in the Northern area of Anglian Region
4304River quality survey NRA Northumbria and Yorkshire region GQA assessment 1994. Part 2 sample point report
4305Proposed water protection zone (River Dee catchment) designation order
4306Fertiliser application dates: AC0116, Warwickshire, 2013
4307River Adur : fact files 6
4308Dinobryon Species
4309Fisheries statistics 1996 : salmonid and freshwater fisheries statistics for England and Wales
4310Managing water resources NRA
4311Mean Trophic Rank: A User's Manual
4312Technical Summary - Quantifying Point Source Inputs of Pesticides to River Catchments
43131996 Hit Lists, Final Draft Annex 1A High Load Hit List
4314Rhyzophydium
4315River Welland navigation
4316The effects of ammonia in discharges from Hogsmill Valley sewage treatment works on the water quality of the River Thames at Teddington
4317The Identification of Oestrogenic Effects in Wild Fish
4318Ecdyonurus dispar
4319Annual N2O measurements and associated data: AC0213, Devon, 2011
4320Rhodochorton (Audouinella),
4321Guidance on the assessment and interrogation of subsurface analytical contaminant fate and transport models (NC/99/38/1)
4322Technical and economic review of cement and lime process : a report to the Environment Agency
4323Regional water quality monitoring and surveillance programme for 1992 : quality assessment of enclosed waters
4324River Cole fisheries survey 1992
4325The Restoration of Vegetation on Saltmarshes