About air sampling results of 10,000
12:23
10:04
10:13
09:31
10:59
11:23
09:42
10:00
10:45
10:06
08:21
12:38
09:33
08:29
07:35
10:35
10:47
10:03
09:36
30:08
18:09
08:57
10:16
10:29
10:44
10:06
11:07
15:07
11:10
27:32
09:41
09:34
05:08
10:29
14:00
11:49
15:23
11:01
30:06
09:26
07:49
11:04
12:12
16:06
10:30
62:12