Behrens and Associates, Inc.
Environmental Noise Control
Bull Hill Mine Tabulated Data Locations 13-16
Attachment 23
Time
Leq
Thu 4-Oct
73.9
1:00 AM
71.8
2:00 AM
72
3:00 AM
76.5
4:00 AM
78
5:00 AM
71.9
6:00 AM
76.2
7:00 AM
77.1
8:00 AM
78.1
9:00 AM
79.6
10:00 AM
78.6
11:00 AM
77.8
12:00 PM
77.8
1:00 PM
78
2:00 PM
76.2
3:00 PM
77.8
4:00 PM
80.2
5:00 PM
82.9
6:00 PM
78.9
7:00 PM
78
8:00 PM
83.1
9:00 PM
76.5
10:00 PM
72.3
11:00 PM
73.7
24- Hour Average:
78.0 dBA
Thursday, October 4, 2012
Bull Hill Mine, Location 13
Time
Leq
Thu 4-Oct
45.1
1:00 AM
34.4
2:00 AM
26.9
3:00 AM
26.9
4:00 AM
28.1
5:00 AM
33.8
6:00 AM
28.9
7:00 AM
41.2
8:00 AM
29.7
9:00 AM
44.5
10:00 AM
45.9
11:00 AM
46.8
12:00 PM
48.8
1:00 PM
31.6
2:00 PM
50.2
3:00 PM
42.1
4:00 PM
49.3
5:00 PM
41.2
6:00 PM
39.6
7:00 PM
35.8
8:00 PM
37.6
9:00 PM
43.3
10:00 PM
34.4
11:00 PM
34.6
24- Hour Average: 43.3 dBA
Bull Hill Mine , Location 14
Thursday, October 4, 2012
Time
Leq
Thu 4-Oct
31.5
1:00 AM
19.7
2:00 AM
21.3
3:00 AM
18.5
4:00 AM
20
5:00 AM
24.7
6:00 AM
19.2
7:00 AM
28
8:00 AM
23.1
9:00 AM
35.9
10:00 AM
66
11:00 AM
34.9
12:00 PM
47
1:00 PM
33.3
2:00 PM
47.9
3:00 PM
37.2
4:00 PM
47.4
5:00 PM
39.4
6:00 PM
36.5
7:00 PM
24.4
8:00 PM
49.7
9:00 PM
39.7
10:00 PM
27.6
11:00 PM
17.8
24- Hour Average: 52.5 dBA
Bull Hill Mine , Location 15
Thursday, October 4, 2012
Time
Leq
Thu 4-Oct
52.2
1:00 AM
38.9
2:00 AM
34.6
3:00 AM
28.3
4:00 AM
34.7
5:00 AM
37.5
6:00 AM
22.9
7:00 AM
43.8
8:00 AM
48.8
9:00 AM
44.6
10:00 AM
54
11:00 AM
53.8
12:00 PM
45.8
1:00 PM
50.9
2:00 PM
52.5
3:00 PM
37.8
4:00 PM
45.2
5:00 PM
42.9
6:00 PM
41.9
7:00 PM
45.9
8:00 PM
47
9:00 PM
40.2
10:00 PM
30.9
11:00 PM
26.6
24- Hour Average:
47.4 dBA
Bull Hill Mine, Location 16
Thursday, October 4, 2012
