Table I.

Allergen levels in table wipe samples from schools and preschools

	Elementary School Samples					Preschool Samples
Allergen	Total Wipes	Detectable Samples %(N)		Median	Range	Total Wipes	Detectable Samples %(N)		Median	Range
Mus ml	21	95.20%	(n=20)	0.29 ng/ml	0.06 -77.13 ng/ml	15	100.00%	(n=15)	0.54 ng/ml	0.04 - 10.34 ng/ml
Fel d1	21	71.40%	(n=15)	0.14 ng/ml	0.03 - 2.02 ng/ml	15	93.30%	(n=14)	0.20 ng/ml	0.03 - 1.89 ng/ml
Can f1	21	95.20%	(n=20)	1.61 ng/ml	0.14 - 4.80 ng/ml	15	53.30%	(n=8)	0.22 ng/ml	0.09 - 1.76 ng/ml
Altai	21	9.50%	(n=2)	0.28 ng/ml	0.15-0.41 ng/ml	15	13.30%	(n=2)	0.10 ng/ml	0.06 - 0.14 ng/ml
Der f1	21	0.00%		-	-	15	6.70%	(n=1)	0.15 ng/ml	0.15 ng/ml
Der p1	21	4.80%	(n=1)	0.07 ng/ml	0.07 ng/ml	15	6.70%	(n=1)	0.09 ng/ml	0.09 ng/ml
Bla g2	21	4.80%	(n=1)	1.50 ng/ml	1.50 ng/ml	15	0.00%		-	-
Rat n1	21	0.00%		-	-	15	0.00%		-	-