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Table 3 Presumptive positive samples grouped by composite number of drums represented by the water sample tested.

From: Pathogen detection, testing, and control in fresh broccoli sprouts

No. of drums No. of presumptive positives No. of samples Total No. of drums Presumptive positives per drum (%)
1 10 1805 1805 0.554
2 4 259 518 0.772
3 4 558 1674 0.239
4 2 354 1416 0.141
5 2 69 345 0.580
6 0 63 378 0.000
7 2 34 238 0.840
8–19 0 49 465 0.000
Overall 24 3191 6839 0.351