When coupons treated
with water or NaOCl were dried at 43% RH and 22 °C for 12 h, E. coli
O157:H7 was further reduced by 0.4 or 1.0 log CFU/coupon, respectively.
However, when the wooden coupons treated with ClO2 were dried
for 6 h, the pathogen was reduced by 6.4 log CFU/coupon.