Table 05. Number of
NONFATAL DAYS LOST (NFDL) Injuries
and NFDL Incidence Rates at Sand and Gravel
Operations
in the United States,
by Primary Activity, 1978-2007
|
SURFACE MINES
|
|
Year
|
Strip
|
Dredge
|
Total w/o Office
|
Office
|
Grand Total
|
|
|
NFDLs
|
IR
|
NFDLs
|
IR
|
NFDLs
|
IR
|
NFDLs
|
IR
|
NFDLs
|
IR
|
|
1978
|
907
|
3.52
|
237
|
3.98
|
1,144
|
3.60
|
7
|
.15
|
1,151
|
3.17
|
|
1979
|
964
|
3.57
|
232
|
3.85
|
1,196
|
3.62
|
4
|
.09
|
1,200
|
3.18
|
|
1980
|
755
|
3.08
|
169
|
3.18
|
924
|
3.10
|
11
|
.25
|
935
|
2.72
|
|
1981
|
537
|
2.54
|
138
|
3.04
|
675
|
2.63
|
7
|
.17
|
682
|
2.29
|
|
1982
|
124
|
1.26
|
38
|
1.89
|
162
|
1.37
|
1
|
.05
|
163
|
1.18
|
|
1983 1/
|
461
|
2.34
|
112
|
2.78
|
573
|
2.41
|
3
|
.08
|
576
|
2.09
|
|
1984
|
592
|
2.70
|
126
|
2.98
|
718
|
2.75
|
3
|
.07
|
721
|
2.39
|
|
1985
|
601
|
2.57
|
139
|
3.28
|
740
|
2.68
|
5
|
.12
|
745
|
2.34
|
|
1986
|
777
|
3.15
|
152
|
3.55
|
929
|
3.21
|
6
|
.13
|
935
|
2.80
|
|
1987
|
963
|
3.83
|
137
|
3.04
|
1,100
|
4.22
|
6
|
.13
|
1,106
|
3.22
|
|
1988
|
1,078
|
4.23
|
197
|
4.20
|
1,275
|
3.71
|
7
|
.14
|
1,282
|
3.66
|
|
1989
|
1,251
|
4.90
|
240
|
5.23
|
1,491
|
4.95
|
9
|
.18
|
1,500
|
4.27
|
|
1990
|
1,274
|
5.06
|
213
|
4.46
|
1,487
|
4.97
|
8
|
.16
|
1,495
|
4.28
|
|
1991
|
1,068
|
4.62
|
199
|
4.35
|
1,267
|
4.57
|
5
|
.10
|
1,272
|
3.91
|
|
1992
|
985
|
4.26
|
194
|
4.21
|
1,179
|
4.25
|
5
|
.11
|
1,184
|
3.64
|
|
1993
|
925
|
3.94
|
190
|
4.01
|
1,115
|
3.95
|
5
|
.11
|
1,120
|
3.40
|
|
1994
|
976
|
3.98
|
216
|
4.40
|
1,192
|
4.05
|
|
