Table 05. Number of NONFATAL DAYS LOST (NFDL) Injuries and
NFDL Incidence Rates at
Stone Operations in
the United States,
by Primary Activity, 1978-2007
|
|
Underground
Mines
|
Surface
Mines
|
Year
|
Underground
|
Surf
at UG
|
Total
|
Strip
|
Dredge
|
Other
|
Total
|
|
|
NFDLs
|
IR
|
NFDLs
|
IR
|
NFDLs
|
IR
|
NFDLs
|
IR
|
NFDLs
|
IR
|
NFDLs
|
IR
|
NFDLs
|
IR
|
|
1978
|
144
|
7.71
|
36
|
7.91
|
180
|
7.75
|
1,581
|
4.82
|
11
|
2.58
|
-
|
-
|
1,592
|
4.79
|
|
1979
|
150
|
7.75
|
38
|
7.89
|
188
|
7.78
|
1,759
|
5.06
|
25
|
5.01
|
-
|
-
|
1,784
|
5.06
|
|
1980
|
120
|
6.75
|
14
|
3.35
|
134
|
6.10
|
1,354
|
4.12
|
40
|
9.16
|
-
|
-
|
1,394
|
4.18
|
|
1981
|
87
|
5.52
|
19
|
4.62
|
106
|
5.34
|
1,007
|
3.55
|
21
|
5.17
|
-
|
-
|
1,028
|
3.58
|
|
1982
|
59
|
4.32
|
13
|
3.21
|
72
|
4.07
|
352
|
2.66
|
4
|
2.97
|
-
|
-
|
356
|
2.66
|
|
1983
1/
|
56
|
4.34
|
22
|
6.04
|
78
|
4.72
|
845
|
3.24
|
4
|
2.50
|
-
|
-
|
849
|
3.24
|
|
1984
|
69
|
4.82
|
22
|
5.68
|
91
|
5.00
|
9.32
|
3.30
|
12
|
5.77
|
-
|
-
|
944
|
3.31
|
|
1985
|
68
|
4.86
|
26
|
6.33
|
94
|
5.19
|
931
|
3.17
|
14
|
4.83
|
-
|
-
|
945
|
3.19
|
|
1986
|
61
|
4.18
|
18
|
4.96
|
79
|
4.34
|
1,170
|
3.82
|
-
|
-
|
-
|
-
|
1,170
|
3.82
|
|
1987
|
72
|
4.99
|
25
|
6.73
|
97
|
5.35
|
1,348
|
4.39
|
9
|
3.52
|
-
|
-
|
1,357
|
4.38
|
|
1988
|
92
|
6.12
|
34
|
8.24
|
126
|
6.58
|
1,567
|
5.14
|
3
|
1.56
|
-
|
-
|
1,570
|
5.12
|
|
1989
|
104
|
6.87
|
32
|
7.70
|
136
|
7.05
|
1,553
|
5.36
|
8
|
4.30
|
-
|
-
|
1,561
|
5.36
|
|
1990
|
88
|
5.63
|
35
|
7.69
|
123
|
6.10
|
1,551
|
5.48
|
|
