Title: Possible replacements for the biochemical oxygen demand (BOD) test and suspended solids as measures of effluent and water quality
Author: W. Parr
Document Type: Monograph
Abstract:
Recommendation 15 of the Kinnersiey Report (NRA 1990) states that the NRA should
'evaluate the suitability of TOC and turbidity as new determinands for inclusion into
consents in place of Biochemical Oxygen Demand and suspended solids'. This report gives an independent
objective assessment of alternatives.
Possible replacements for Biochemical Oxygen Demand and suspended solids as measures of water and effluent
quality are reviewed. The most suitable replacements are identified and a
recommendation is given to undertake comparative trials of these methods before a final
decision on replacing Biochemical Oxygen Demand and suspended solids is made. Use of total organic carbon (TOC), chemical oxygen demand (COD), total oxygen
demand (TOD) and respirometry should all be further evaluated as possible replacements for Biochemical Oxygen Demand, as broad scale measures of effluent and water quality. Turbidity appears to
be suitable for replacing suspended solids. No single parameter is likely to be best in all
situations and great care must be exercised over the choice of analytical equipment.
Publisher: National Rivers Authority
Publication Date: 1992
Publication Place: Bristol
Subject Keywords: Testing; Methodology; Pollutant load; Organic compounds; Effluents
Extent: 60
Permalink: http://www.environmentdata.org/archive/ealit:3907
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