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Table 06. Number of NO DAYS LOST (NDL) Injuries and NDL Incidence Rates (IR) at Metallic Operations

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

 

 

Year

Underground Mines

Surface Mines

 

Underground

Surf at UG

Total

Strip

Dredge

Other

Total

 

NDLs

IR

NDLs

IR

NDLs

IR

NDLs

IR

NDLs

IR

NDLs

IR

NDLs

IR

1978

1,578

8.59

219

5.45

1,797

8.03

743

3.06

9

2.23

1

1.44

753

3.04

1979

1,602

8.25

176

3.82

1,778

7.40

799

3.03

18

5.08

1

1.46

818

3.06

1980

1,337

6.98

217

4.22

1,554

6.40

579

2.34

5

1.45

-

-

584

2.31

1981

1,294

6.69

245

4.56

1,539

6.23

498

1.92

4

1.20

-

-

502

1.91

1982

732

6.01

106

2.92

838

5.30

223

1.47

5

1.44

-

-

228

1.47

19831

447

5.46

65

2.46

512

4.73

199

1.68

6

1.76

-

-

205

1.69

1984

420

5.11

82

3.88

502

4.86

219

1.91

25

7.48

-

-

244

2.06

1985

414

5.79

54

2.96

468

5.22

213

2.17

13

3.81

-

-

226

2.22

1986

331

5.07

54

3.42

385

4.75

167

1.75

22

5.57

-

-

189

1.90

1987

383

5.89

67

4.25

450

5.57

240

2.19

41

8.47

-

-

281

2.45

1988

467

6.35

86

4.92

553

6.07

357

2.60

39

6.94

-

-

396

2.77

1989

498

6.70

79

4.08

577

6.16

489

3.06

55

10.98

-