Table 3.

Dust mite allergen levels in dust samples collected during summer and winter. Only homes that had detectable levels of dust mite allergens are included.

Home ID	Floor material	Signs of water damage	Signs of visible mold	Occupation status	Bleach and other chemicals treatment status	Der p1 (μg/g)		Der f1 (μg/g)
						Floor	Mattress	Floor	Mattress
Summer
2234S	Carpet	Yes	Yes	Unoccupied	Treated	<LLOD	N/A	0.08	N/A
3605M	Hardwood	Yes	Yes	Occupied	Untreated	<LLOD	1.64	11.78	>ULOD
834J	Carpet	Yes	No	Occupied	Treated	1.78	1.65	13.51	>ULOD
1350SA	Linoleum	Yes	Yes	Occupied	Untreated	<LLOD	N/A	0.06	N/A
7141R	Hardwood	Yes	Yes	Unoccupied	Untreated	<LLOD	N/A	0.08	N/A
11011H	Hardwood	Yes	Yes	Occupied	Treated	<LLOD	N/A	0.07	N/A
Winter
926M	Carpet	Yes	Yes	Occupied	Untreated	<LLOD	N/A	2.21	N/A
3605M	Hardwood	Yes	Yes	Occupied	Untreated	4.07	18.86	0.31	5.90
1350StA	Linoleum	Yes	Yes	Occupied	Untreated	<LLOD	N/A	0.145	N/A

Abbreviations: LLOD: Lower limit of detection; ULOD: Upper limit of detection.

Note: All other dust samples, FSSST samples, and air samples showed<LLOD levels for both Der p1 and Der f1.