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Table 07. Number of NO DAYS LOST (NDL) Injuries and NDL Incidence Rates (IR) at Coal Mines

in the United States, by Primary Activity, 1978-2007

 

 

 

Year

Underground Mines

Surface Mines

 

 

Underground

Surf at UG

Total

Strip

Auger

Culm Bank

Dredge

Total

 

 

NDLs

IR

NDLs

IR

NDLs

IR

NDLs

IR

NDLs

IR

NDLs

IR

NDLs

IR

NDLs

IR

 

1978

2,589

2.67

385

3.27

2,974

2.74

1,584

2.46

10

2.73

12

6.35

-

-

1,606

2.47

 

1979

2,316

2.01

350

2.64

2,666

2.08

1,202

1.77

9

3.01

6

2.74

1

3.46

1,218

1.78

 

1980

2,085

1.87

305

2.38

2,390

1.92

935

1.38

3

1.38

13

5.85

1

2.13

952

1.40

 

1981

1,642

1.64

257

2.21

1,899

1.70

850

1.30

3

1.51

18

8.66

-

-

871

1.32

 

1982

1,813

1.79

246

2.14

2,059

1.83

788

1.25

-

-

9

3.32

-

-

797

1.25

 

1983

1,378

1.77

157

1.68

1,535

1.76

734

1.27

7

2.45

2

.90

-

-

743

1.27

 

1984

1,399

1.66

164

1.69

1,563

1.67

724

1.15

2

.73

3

1.23

-

-

729

1.14

 

1985

1,371

1.69

169

1.73

1,540

1.69

696

1.19

-

-

5

2.13

1

1.59

702

1.19

 

1986

1,573

2.08

171

1.80

1,744

2.05

725

1.33

-

-

2

.68

-

-

727

1.31

 

1987

2,412

3.45

254

3.05

2,666

3.41

1,039

1.98

5

1.14

1

.31

1

1.33