What do old houses, wine corks, and pill bottles have (or once had) in common? The answer is a musty smell, and one important cause is mold. This is especially true of old houses where plywood treated with anti-fungal trichlorophenol was utilized in flooring material.
In the house we investigated for this report (an old house constructed in 1917 shown above), one could smell moderate musty odor upon entering the house. The odor was apparent throughout the house, although after being inside for several minutes the odor was much less apparent, or not apparent at all (this is due to adaptation or odor fatigue, a topic for another discussion). The musty odor was akin to…
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