Location pH-Adjusted Bleach Chlorine dioxide Total Number of Detected Samples Per Location Pre-Dissem Post-Dissem Post-Decon Pre-Dissem Post-Dissem Post-Decon A B A B A B A B A B A B Outdoor Samples 1 4+ ND 2+ 1+ ND 1+ ND ND 1+ 1+ 1+ 2+ 8 2 ND ND 1+ 2+ ND ND ND ND 1+ 1+ ND ND 4 3 ND ND ND ND ND ND ND ND 1+ 1+ ND ND 2 4 1+ 3+ ND ND ND ND ND ND ND ND ND ND 2 5 2+ ND 1+ 1+ ND 1+ ND ND ND 1+ ND ND 5 6 ND ND ND 1+ ND ND ND 1+ ND ND 1+ ND 3 7 2+ ND 1+ 1+ ND ND 1+ ND 1+ ND ND ND 5 8 1+ ND 1+ 1+ ND ND ND ND ND 1+ ND 1+ 5 9 ND ND 2+ 2+ ND ND ND ND ND 1+ 1+ 1+ 5 10 2+ 1+ 1+ ND ND ND ND ND ND ND ND 1+ 4 Indoor Samples (Controls) B1     3+ 4+ ND ND     3+ 3+ 1+ ND 5 B2     1+ 1+ ND ND     1+ ND ND ND 3

Note: Dissem: dissemination and Decon: decontamination. No indoor samples were taken pre-dissemination. ND is instrument nondetection, 1+, 2+, 3+ and 4+ is instrument detection as noted in Table 1.

Table 3: Spore detection by decontamination technology, stage, location, and replicates (A and B).