ENVIRONMENTAL METRICS  

The mines managed by Cliffs interact with federal agencies such as the U.S. Environmental Protection Agency, Environment Canada, and individual state regulators such as the Minnesota and Michigan Departments of Natural Resources and Environmental Quality to ensure that its operations meet or exceed land-, air-, and water-quality standards.

    

ENVIRONMENTAL METRICS 

 2006

 2005

 2004

 2003

 2002

           
Air Emissions Point Sources          
Total Particulate Matter

 146

 118

 107

 119

 99

NOx

 685

 721

 676

 804

 1,009

SO2

 307

 336

 376

 350

 410

Water Discharges Compliance Rate          
Analyses Passed

 14,441

 13,936

 14,354

 15,142

 11,945

Analyses Conducted

 14,718

 14,151

 14,537

 15,329

 12,074

Percent Compliance

 98

 98

 99 

 99

 98.9

Releases          
Volume Spilled (Gallons)

 47,683

 14,629

 10,626

 10,576

 9,717

Number of Spills

 159

 143

 114

 137

 130

Waste Disposal (Tons)          
Hazardous

 376

 123

 133

 233

 342

Non-Hazardous

 12,223

 13,525

 4,945

 4,407

 4,627

Recycled 

 35,094

 15,324

 31,424

 17,154

 12,878

Reclamation (Acres)          
Total Final Reclamation

 308

 399

 305

 1,184

 572

Environmental Training and Awareness          
Trainee Hours

1,808

1,969

4,258

2,427

4,363

Employees

4,109

4,085

3,649

3,387

3,858

Awareness Activities

95

136

145

141

149

Agency Inspections 
Number of Inspections

42

49

45

34

46

Notices of Violations
Number of Notices

 6

9

 1

3

3

*Tons per million long tons of pellets produced