The detection limits of E. coli O157:H7 by direct plating and enrichment were 1.5 log CFU/coupon (30 CFU/coupon) and 0.0 log CFU/coupon (1 CFU/ coupon), respectively.
The detectionlimits of E. coli O157:H7 by direct plating and enrichment were1.5 log CFU/coupon (30 CFU/coupon) and 0.0 log CFU/coupon (1 CFU/coupon), respectively.