NAICS Industry Sector

Subcategory

# Companies Personal Sampling Conducted

# Companies with Confirmed Air Concentrations of Cr(VI)

# Companies where Personal  Samples may exceed the PEL

Construction

Nonresidential Building

5

5

1

Utility System Construction

1

1

0

Highway, Street, & Bridge

7

6

2

Foundation, Structure, & Building Exterior Contractors

4

4

2

Building Equipment Contractors

1

1

0

Building Finishing Contractors

2

1

1

Other Specialty Trade Contractors

3

3

2

Manufacturing

Grain and Oilseed Milling

1

1

0

Dairy Product

2

2

0

Animal Slaughtering and Processing

1

1

0

Seafood Product Preparation and Packaging

1

0

0

Bakeries and Tortilla Mfg.

1

1

1

Footwear Mfg.

1

1

1

Pulp, Paper, and Paperboard Mills

2

1

0

Printing and Related Support Activities

2

1

0

Basic Chemical

1

1

1

Pharmaceutical and Medicine Mfg.

1

0

0

Other Chemical Product and Preparation Mfg.

1

0

0

Plastics Product

1

0

0

Rubber Product

1

0

0

Glass and Glass Product

3

1

1

Cement and Concrete Product

1

1

0

Other Nonmetallic Mineral Product

1

1

0

Iron & Steel Mills

8

3

0

Steel Product from Purchased Steel

7

5

0

Aluminum Product & Processing

1

0

0

Nonferrous Metal  Product & Processing

1

1

0

Foundries

41

26

6

Forging & Stamping

14

11

3

Cutlery & Handtool

2

1

0

Architectural and Structural Metals

62

38

7

Boiler, Tank & Shipping Container

27

22

6

Hardware Mfg.

1

0

0

Spring & Wire Product

2

1

0

Machine Shops

10

4

0

Coating, Engraving & Heat Treating

64

52

12

Other Fabricated Metal Mfg.

44

23

5

Agriculture, Construction, and Mining Machinery

15

11

1

Industrial Machinery Mfg.

3

3

1

Commercial and Service Industry Machinery Mfg.

6

4

1

Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment

12

8

0

Metalworking Machinery Mfg.

7

2

0

Other General Purpose Machinery

10

7

2

Communications Equipment Mfg.

1

1

0

Navigational, Measuring, Electromedical, and Control Instruments

4

1

0

Electric Lighting Equipment Mfg.

1

0

0

Electrical Equipment Mfg.

4

3

1

Other Electrical Equipment and Component

3

2

0

Motor Vehicle Body & Trailer Mfg.

7

4

1

Motor Vehicle Parts

7

5

2

Aerospace Product & Parts

18

11

5

Railroad Rolling Stock

5

5

2

Ship & Boat Building

8

4

2

Other Transportation Equipment Mfg.

3

2

1

Household and Institutional Furniture and Kitchen Cabinet

3

2

0

Office Furniture (including Fixtures)

5

3

0

Other Misc. Mfg

9

6

2

Wholesale Trade

Professional and Commercial Equipment and Supplies Merchant

1

1

0

Metal & Mineral Merchant

2

2

1

Machinery, Equipment, and Supplies Merchant

2

0

0

Miscellaneous Durable Goods Merchant

9

3

1

Miscellaneous Nondurable Goods Merchant

1

1

0

Wholesale Electronic Markets and Agents and Brokers

1

1

0

Retail Trade

Automobile Dealers

1

0

0

Transportation & Warehousing

Scheduled Air Transportation

4

2

1

Support Activities for Air Transportation

3

1

0

Support Activities for Water Transportation

2

2

0

Support Activities for Road Transportation

2

2

1

Professional, Scientific, & Technical Services

Architectural, Engineering, and Related Services

1

0

0

Administrative & Support & Waste Management & Remediation Services

Waste Collection

2

1

0

Waste Treatment & Disposal

3

1

0

Educational Services

Technical and Trade Schools

1

1

0

Arts, Entertainment, and Recreation

Amusement Parks and Arcades

1

1

0

Other Services

Automotive Repair & Maintenance

4

3

0

Machinery & Equipment Repair & Maintenance

2

2

1

Other Personal Services

1

1

1

Public Administration

Executive, Legislative, and Other General Government Support

1

0

0

Justice, Public Order & Safety Activities

1

0

0

National Security & International Affairs

3

2

0