Behrens and Associates, Inc.
Environmental Noise Control
Bull Hill Mine Tabulated Data Locations 9-12
Attachment 22
Time
Leq
Thu 4-Oct
32.9
1:00 AM
27.7
2:00 AM
20.9
3:00 AM
23.7
4:00 AM
22.1
5:00 AM
22.7
6:00 AM
32.8
7:00 AM
35.7
8:00 AM
33.2
9:00 AM
32
10:00 AM
34.7
11:00 AM
33.6
12:00 PM
32.2
1:00 PM
33.4
2:00 PM
33.5
3:00 PM
36.8
4:00 PM
35
5:00 PM
30.4
6:00 PM
35.6
7:00 PM
41
8:00 PM
37.9
9:00 PM
36.1
10:00 PM
29.7
11:00 PM
24.4
24- Hour Average: 34.0 dBA
Bull Hill Mine, Location 9
Thursday, October 4, 2012
Time
Leq
Fri 5-Oct
56.3
1:00 AM
54.8
2:00 AM
54.9
3:00 AM
55
4:00 AM
53.9
5:00 AM
52.6
6:00 AM
45.6
7:00 AM
45.1
8:00 AM
50.7
9:00 AM
47.8
10:00 AM
47.1
11:00 AM
47.3
12:00 PM
46.3
1:00 PM
55.2
2:00 PM
55.3
3:00 PM
49.1
4:00 PM
55.4
5:00 PM
51.5
6:00 PM
49.5
7:00 PM
53.1
8:00 PM
49.9
9:00 PM
52.7
10:00 PM
62.3
11:00 PM
56.9
24- Hour Average: 54.1 dBA
Bull Hill Mine , Location 10
Friday, October 5, 2012
Time
Leq
Thu 4-Oct
40.1
1:00 AM
28.5
2:00 AM
24
3:00 AM
48.1
4:00 AM
54.2
5:00 AM
25
6:00 AM
40.7
7:00 AM
54.6
8:00 AM
56.8
9:00 AM
56.2
10:00 AM
56
11:00 AM
56
12:00 PM
53.7
1:00 PM
56.2
2:00 PM
56.5
3:00 PM
54.4
4:00 PM
56.3
5:00 PM
53.3
6:00 PM
51
7:00 PM
54.9
8:00 PM
55.3
9:00 PM
46.5
10:00 PM
25.4
11:00 PM
23
24- Hour Average:
53.3 dBA
Bull Hill Mine, Location 11
Thursday, October 4, 2012
Time
Leq
Thu 4-Oct
44.6
1:00 AM
45
2:00 AM
53.8
3:00 AM
46.4
4:00 AM
45.1
5:00 AM
47.7
6:00 AM
47.6
7:00 AM
45.4
8:00 AM
44.3
9:00 AM
45.2
10:00 AM
46.1
11:00 AM
44.7
12:00 PM
44.3
1:00 PM
45.2
2:00 PM
45.4
3:00 PM
45.1
4:00 PM
45.2
5:00 PM
47.6
6:00 PM
47.3
7:00 PM
46.7
8:00 PM
44.6
9:00 PM
49.7
10:00 PM
46.4
11:00 PM
45.4
24- Hour Average:
46.9 dBA
Bull Hill Mine, Location 12
Thursday, October 4, 2012
