Table 05. Number of NONFATAL DAYS LOST (NFDL) Injuries and
NFDL Incidence Rates
at Nonmetallic Operations in the United States,
by Primary Activity, 1978-2007
|
Year
|
Underground
Mines
|
Surface
Mines
|
|
|
Underground
|
Surf at UG
|
Total
|
Strip
|
Dredge
|
Other
|
Total
|
|
|
NFDLs
|
IR
|
NFDLs
|
IR
|
NFDLs
|
IR
|
NFDLs
|
IR
|
NFDLs
|
IR
|
NFDLs
|
IR
|
NFDLs
|
IR
|
|
1978
|
410
|
7.17
|
104
|
9.54
|
514
|
7.55
|
408
|
3.93
|
7
|
36.17
|
48
|
19.36
|
463
|
4.34
|
|
1979
|
459
|
7.46
|
92
|
7.11
|
551
|
7.40
|
343
|
3.27
|
-
|
-
|
19
|
8.72
|
362
|
3.38
|
|
1980
|
436
|
7.06
|
105
|
6.13
|
541
|
6.85
|
298
|
2.75
|
-
|
-
|
3
|
2.54
|
301
|
2.74
|
|
1981
|
468
|
7.40
|
98
|
4.98
|
566
|
6.83
|
252
|
2.41
|
1
|
16.77
|
-
|
-
|
253
|
2.42
|
|
1982
|
257
|
4.85
|
49
|
2.39
|
306
|
4.16
|
140
|
2.07
|
2
|
17.35
|
-
|
-
|
142
|
2.08
|
|
1983
1/
|
230
|
5.68
|
25
|
3.33
|
255
|
5.31
|
144
|
2.13
|
8
|
6.52
|
1
|
5.79
|
153
|
2.21
|
|
1984
|
165
|
3.90
|
17
|
2.31
|
182
|
3.67
|
123
|
1.64
|
6
|
2.62
|
-
|
-
|
129
|
1.67
|
|
1985
|
157
|
4.11
|
34
|
5.01
|
191
|
4.25
|
141
|
1.98
|
4
|
1.84
|
-
|
-
|
145
|
1.97
|
|
1986
|
152
|
4.45
|
30
|
4.72
|
182
|
4.49
|
129
|
2.02
|
11
|
5.56
|
1
|
9.67
|
141
|
2.14
|
|
1987
|
145
|
4.38
|
34
|
5.43
|
179
|
4.55
|
178
|
2.80
|
5
|
3.99
|
-
|
-
|
183
|
2.83
|
|
1988
|
155
|
4.26
|
37
|
5.69
|
192
|
4.48
|
189
|
2.90
|
5
|
3.80
|
-
|
-
|
194
|
2.92
|
|
1989
|
183
|
4.83
|
37
|
5.31
|
220
|
4.90
|
237
|
3.64
|
4
|
