A visual inspection method to evaluate cleanliness of newly installed air ducts

Holopainen R, Narvanne J, Pasanen P, Seppänen O
duct, indoor air quality
Year:
2002
Bibliographic info:
Proceedings of Indoor Air 2002 (9th International Conference on Indoor Air Quality and Climate) - June 30 - July 5, 2002 - Monterey, California - vol 1, pp 682-687, 3 figs, 5 refs, 1 tab

Visual inspection is a subjective method but yet necessary to control duct cleanliness. In order to improve its reliability, a visual scale has been realised and results from a panel of 10 inspectors have been compared to measurements.

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