About air sampling results of 10,000
03:42
05:28
05:37
06:39
03:05
04:00
02:51
03:28
05:18
03:42
03:33
04:06
04:53
02:50
03:10
03:54
04:34
03:53
05:03
14:26
04:00
03:18
05:18
03:28
03:25
04:43
03:37
03:25
03:56
03:25
05:36
04:14
03:36
03:47
06:58
05:56
05:09
03:36
05:30
04:13
09:53
03:39
06:30
03:09
03:49
03:57