Water Science and Technology Vol 41 No 6 pp 97–106 © IWA Publishing 2000
Odour nuisance – advantages and disadvantages of a quantitative approach
G. Yang* and J. Hobson**
*
Water Research Centre, Blagrove, Swindon SN5 8YF, UK
**
Water Research Centre, Blagrove, Swindon SN5 8YF, UK
ABSTRACT
The benefits of a quantitative approach to odour nuisance may be thought
obvious: much better value for money should be obtained from abatement
measures. New works can be appropriately sited and appropriately designed.
These benefits are only realised however if the quantitative approach
chosen is reliable. The components of possible quantitative approaches,
– olfactometry – estimates of emission rates – dispersion
models – quality standards, are discussed with the limitations and
sources of error in each. When using a quantitative approach it is necessary
to distinguish between a poor method in which the levels of error are
unknown and a good method for which the levels of error can be defined. A
quantitative approach should allow different methods for odour control:
septicity control using chemicals, operational modifications to reduce
turbulenceand covering and treatment of air, to be evaluated on a common
footing.
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