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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

2

.04

1,194

3.50

1995

881

3.56

182

3.77

1,063

3.59

3

.06

1,066

3.11

1996

820

3.22

177

3.88

997

3.32

7

.15

1,004

2.90

1997

848

3.22

145

3.09

993

3.20

4

.08

997

2.79

1998

922

3.32

91

3.52

1,092

3.35

9

.18

1,101

2.94

1999

863

2.93

147

3.01

1,010

2.94

8

.16

1,018

2.58

2000

834

2.86

168

3.48

1,002

2.95

4

.08

1,006

2.58

2001

716

2.48

165

3.50

881

2.63

4

.08

885

2.30

2002

699

2.49

127

2.72

826

2.52

6

.12

832

2.21

2003

688

2.48

158

3.32

846

2.60

7

.14

853

2.28

2004

602

2.14

151

2.89

753

2.26

5

.10

758

1.98

2005

688

2.39

153

2.81

841

2.45

4

.08

845

2.15

2006

668

2.27

127

2.34

795

2.28

4

.08

799

2.01

2007

543

1.92

114

2.24

657

1.97

4

.08

661

1.72

 

 

1/ Beginning in 1983, only operator data are available at this level of detail.