TABLE 4.
Time after inoculation (h) | Mean log10 cells/coupon (SD) on indicated surface (n = 3)
|
|||||||
---|---|---|---|---|---|---|---|---|
Paper
|
SS
|
Glass
|
PE
|
|||||
ATCC 23343 | ATCC 11668 | ATCC 23343 | ATCC 11668 | ATCC 23343 | ATCC 11668 | ATCC 23343 | ATCC 11668 | |
0 | 6.30 (0.04) | 6.18 (0.04) | 4.92 (0.20) | 5.81 (0.03) | 5.80 (0.05) | 5.88 (0.09) | 5.85 (0.15) | 5.92 (0.12) |
2 | 6.21 (0.02) | 6.15 (0.08) | 5.43 (0.15) | 5.61 (0.07) | 4.95 (0.54) | 5.81 (0.28) | 5.90 (0.05) | 5.86 (0.03) |
4 | 6.21 (0.06) | 6.06 (0.17) | 5.43 (0.15) | 5.56 (0.07) | 4.20 (0.96) | 4.94 (0.79) | 5.61 (0.07) | 5.88 (0.06) |
6 | 5.85 (0.07) | 5.85 (0.04) | 3.28 (0.49) | 4.90 (0.07) | 4.03 (0.39) | 3.69 (0.94) | 5.82 (0.08) | 6.01 (0.16) |
24 | 5.85 (0.08) | 5.04 (0.58) | 3.90 (0.05) | 4.42 (0.21) | 1.60 (0.42) | 2.16 (0.51) | 4.24 (0.06) | 4.20 (0.22) |
72 | 5.65 (0.04) | 4.50 (0.39) | 3.04 (0.39) | 4.39 (0.16) | 2.98 (0.21) | 2.50 (0.42) | 3.67 (0.33) | 4.10 (0.14) |
168 | 5.56 (0.20) | 3.96 (0.37) | 3.10 (0.41) | 2.24 (0.29) | 1.95 (0.25) | 2.09 (0.42) | 3.52 (0.07) | 3.67 (0.31) |
336 | 5.01 (0.07) | 3.74 (0.16) | 3.54 (0.22) | 1.69 (0.27) | 2.05 (0.49) | 2.93 (0.75) | 2.11 (0.60) | 2.13 (0.11) |
504 | 5.36 (0.03) | 3.75 (0.16) | 2.47 (0.17) | 2.71 (0.27) | 1.22 (0.10) | 2.21 (0.68) | 3.74 (0.19) | 4.42 (0.14) |
672 | 4.97 (0.64) | 3.70 (0.06) | 2.29 (0.55) | 2.87 (0.24) | 1.70 (0.28) | 2.05 (0.14) | 3.64 (0.16) | 4.40 (0.14) |
840 | 4.58 (0.33) | 3.68 (0.09) | 3.88 (0.48) | 2.67 (0.08) | 2.04 (0.39) | 2.01 (0.32) | 3.78 (0.16) | 4.32 (0.02) |
1,008 | 4.44 (0.38) | 2.88 (0.17) | NDa | 2.86 (0.26) | ND | ND | 3.85 (0.10) | 4.21 (0.20) |
1,176 | 4.96 (0.15) | 3.36 (0.08) | ND | 2.15 (0.11) | ND | ND | ND | 4.48 (0.12) |
1,344 | 4.87 (0.52) | 3.24 (0.08) | ND | ND | ND | ND | ND | ND |
ND, not determined.