| Historical Data 1955 - 1977 Sand and Gravel Plants |
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TABLE 25 - Injury experience and worktime data at sand and gravel
plants in the United States, 1955-77
Injuries
Year Nonfatal All Non- All
Fatal disabling disabling disabling injuries
1958 25 1,698 1,723 NA 1,723
1959 21 2,161 2,182 NA 2,182
1960 25 1,919 1,944 NA 1,944
1961 21 1,814 1,835 NA 1,835
1962 51 2,093 2,144 NA 2,144
1963 33 1,894 1,927 NA 1,927
1964 34 1,957 1,991 NA 1,991
1965 40 1,870 1,910 NA 1,910
1966 35 2,098 2,133 NA 2,133
1967 32 1,919 1,951 NA 1,951
1968 26 1,992 2,018 NA 2,018
1969 31 1,929 1,960 NA 1,960
1970 29 2,045 2,074 NA 2,074
1971 26 2,132 2,158 NA 2,158
1972 36 1,364 1,400 NA 1,400
1973 40 867 907 688 1,595
1974 39 910 949 654 1,603
1975 21 803 824 593 1,417
1976 24 755 779 435 1,214
1977 26 784 810 505 1,315
NA Not available.
Frequency rates per
million man-hours
Year Nonfatal All Non- All
Fatal disabling disabling disabling injuries
1958 0.27 18.37 18.64 NA 18.64
1959 0.19 19.68 19.87 NA 19.87
1960 0.26 20.04 20.30 NA 20.30
1961 0.21 17.84 18.04 NA 18.04
1962 0.52 21.45 21.97 NA 21.97
1963 0.34 19.77 20.12 NA 20.12
1964 0.34 19.40 19.73 NA 19.73
1965 0.40 18.68 19.08 NA 19.08
1966 0.33 19.99 20.32 NA 20.32
1967 0.33 19.86 20.19 NA 20.19
1968 0.28 21.38 21.66 NA 21.66
1969 0.33 20.47 20.80 NA 20.80
1970 0.31 21.51 21.82 NA 21.82
1971 0.27 22.49 22.77 NA 22.77
1972 0.63 23.88 24.51 NA 24.51
1973 0.77 16.75 17.52 13.29 30.82
1974 0.71 16.61 17.32 11.93 29.25
1975 0.37 13.99 14.35 10.33 24.68
1976 0.42 13.35 13.78 7.69 21.47
1977 0.43 12.95 13.38 8.34 21.72
NA Not available.
Severity rates per
million man-hours
Year Nonfatal All Man-hours
Fatal disabling disabling worked
(thousands)
1958 1,622 856 2,478 92,456
1959 1,147 825 1,972 109,830
1960 1,567 868 2,434 95,749
1961 1,239 1,092 2,331 101,707
1962 3,136 1,096 4,232 97,589
1963 2,067 1,028 3,095 95,786
1964 2,022 1,215 3,237 100,891
1965 2,398 816 3,214 100,083
1966 2,001 901 2,901 104,971
1967 1,987 946 2,933 96,645
1968 1,675 1,014 2,688 93,156
1969 1,974 1,050 3,024 94,223
1970 1,830 1,022 2,853 95,067
1971 1,646 969 2,615 94,786
1972 3,782 1,134 4,916 57,114
1973 4,637 785 5,421 51,760
1974 4,270 877 5,147 54,800
1975 2,195 891 3,086 57,413
1976 2,546 952 3,499 56,551
1977 2,577 763 3,340 60,533
NA Not available.
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