About air sampling results of 10,000
03:24
04:22
03:57
41:33
45:38
51:17
17:28
12:13
15:04
09:11
10:51
12:20
09:32
12:12
10:02
08:14
13:33
08:41
11:56
12:03
09:03
14:17
16:54
14:04
13:52
06:43
09:37
10:00
11:54
10:44
10:04
12:23
12:20
09:53
10:03
09:53
11:37
10:45
10:01
09:44
25:01
12:07
09:49
09:14
09:08
10:00