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. Author manuscript; available in PMC: 2016 Feb 25.
Published in final edited form as: J Occup Environ Hyg. 2016 Feb;13(2):85–93. doi: 10.1080/15459624.2015.1078468

TABLE I.

Descriptive statistics of the endotoxin loads (EU/m2) in the Mailing Study, the Heated/Unheated Cloth Study that sampled in 9 farm homes, and the Apartment Study that sampled in 17 apartments. Summary data for the charge (pC) are shown for the Electrostatic Charge Study.

N GM GSD Median Interquartile Range
Mailing study (EU/mg)
High QC Dust spike 12 59 1.6 57 42-86
High QC Dust-only 4 82 1.2 79 75-89
Low QC Dust Spike 12 13 1.7 12 10-15
Low QC Dust-only 4 20 1.3 19 16-24
Apartment Study (EU/m2)
In front of Univent 17 211 2.1 210 135-316
Away from Univent 17 134 2.1 165 90-203
Heated/Unheated Cloth Study (EU/m2)
Heated Cloths 18 730 1.9 605 519-859
Unheated Cloths 18 1059 2.8 655 500-2399
Electrostatic Charge Study (pC)
Heated Cloths 12 998 1.8 1114 611-1380
Unheated Cloths 12 1737 1.4 1799 1276-2265