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6851An assessment of river water quality in the River Kenn
6852River Hayle catchment river water quality classification 1990
6853River Hayle catchment river water quality classification 1991
6854Trewinnard Manor Pond pollution incident November 1990 : draft internal report
6855A Strategic Review Of Sheep Dipping
6856Contaminants entering the sea : a report on contaminant loads entering the seas around England and Wales 1990-1993
6857The Natural (Baseline) Quality of Groundwaters in England and Wales - Magnesium Limestone of Yorkshire and Northumbria
6858A survey of ferruginous minewater impacts in the Welsh coalfields
6859A simple key to canal water quality using a biological technique
6860Investigations into the status of fisheries, biological and water quality in the River Pelenna catchment, prior to the treatment of discharges from abandoned coal mines : PL/EAW/95/3
6861NRA Welsh Region South West Area Minewaters Workshop, 23 May 1995, Swansea : summary report
6862The impact of ferruginous minewater break-outs on the environmental quality of the Rivers Rhymney, Ebbw and Sirhowy : summary report
6863A survey of ferruginous minewater impacts in the Welsh coalfields
6864Dioxins and the River Doe Lea : plain English report
6865A review of the industrial uses of continuous monitoring systems : incineration processes : a report produced for NCCA and ETSU by Entec
68661994 general quality assessment (GQA) Cornwall area
6867Kennet catchment : time of travel studies final report
6868Chlorohyll and Phosphorus Classifications for UK Lakes
6869Investigating the feasibility of using neural networks to derive chlorophyll a prediction algorithms for case 2 waters
6870Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report
6871Herbarium Image: Phalaris arundinacea
6872Herbarium Image: Orobanche elatior
6873An appraisal of the options for the structure of the water resources function in Thames Region NRA
6874Grey tide against green marsh : sea defences in East Anglia : synopsis of proceedings of conference held at Snape on 1st November 1991
6875Public participation and the Water Framework Directive