Abstract
This survey assessed the maintenance of evaporative cooling towers in Glasgow, following two Legionnaires' disease outbreaks. Information was obtained from 76 of 81 premises and a maintenance score was calculated for each of 174 towers. The quality of maintenance was extremely varied (range of maintenance scores, 8-30; mean, 22 (S.D., 5.0); median, 23; maximum possible, 33) and some towers were neglected. Breaches of maintenance principles were mainly structural and organizational, e.g. inadequate drift control, rather than failure to use chemicals. Low maintenance scores were associated with no log book, no guidelines, no change in procedures in last 5 years, solitary cooling towers, and towers on industrial premises. Despite intense publicity the standard of cooling tower maintenance in Glasgow remained a concern. Information campaigns directed at those responsible for cooling-tower maintenance are necessary.
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Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- Miller R. P. Cooling towers and evaporative condensers. Ann Intern Med. 1979 Apr;90(4):667–670. doi: 10.7326/0003-4819-90-4-667. [DOI] [PubMed] [Google Scholar]
- Timbury M. C., Donaldson J. R., McCartney A. C., Fallon R. J., Sleigh J. D., Lyon D., Orange G. V., Baird D. R., Winter J., Wilson T. S. Outbreak of Legionnaires' disease in Glasgow Royal Infirmary: microbiological aspects. J Hyg (Lond) 1986 Dec;97(3):393–403. doi: 10.1017/s0022172400063580. [DOI] [PMC free article] [PubMed] [Google Scholar]