About fecal contamination results of 439
27:47
27:30
66:05
22:22
60:14
42:16
42:16
19:16
18:24
59:55
22:31
26:31
131:22
77:13
82:15
21:04
33:14
19:50
20:01
32:38
73:53
53:06
23:22
43:26
29:25
31:49
32:04
42:26
30:03
29:05
89:23
67:11
77:09
35:04
54:04
39:58
36:18
86:34
50:37
44:14
55:48
35:54
37:54
94:11
60:16
54:34