1 | Technical Summary - Alternative Approaches to Assessing the Aesthetic Quality of the Environment |
2 | Integrated appraisal of the Environment Agency's water quality policies : role of the FWR manual |
3 | Analysis of benthic macro-invertebrate samples collected by the NRA during 1989 and 1990 from various habitats in the River Delph |
4 | Stream survey and assessment in the Ashford and Folkestone areas |
5 | Hams Hall Power Station. A survey of the flora and fauna of freshwater habitats in the environs of Hams Hall Power Station, Birmingham |
6 | Direct toxicity assessment : a step towards better environmental protection within the UK : business strategy |