Who Does Crystalline Silica Exposure Endanger?

Date First Published on SafetySmart Compliance: July 10th, 2012
Topics: Airborne Contaminants |

Many industrial processes generate dusts containing high levels of silica. In its 2008 National Emphasis Program for silica enforcement directive, OSHA includes the following representative, i.e., non-exhaustive, list of high risk industries by North American Industry Classification System (NAICS) or Standard Industrial Classification (SIC) codes.

Industries with Crystalline Silica Exposure, 1996-2007

1987 SIC Code1

1987 SIC Industry Title

2002 NAICS Code2

1521

General Contractors-Single Family Houses

236115, 236118

1522

General Contractors-Residential Buildings Other Than Single-Family

236115, 236118

1541

General Contractors-Industrial Buildings and Warehouses

236210, 236220

1611

Highway and Street Construction, Except Elevated Highways

237310

1622

Bridge, Tunnel, and Elevated Highway Construction

237310, 237990

1623

Water, Sewer, Pipeline, and Communications and Power Line Construction

237110, 237120, 237130

1629

Heavy Construction, n.e.c.

236210, 237110, 237120, 237130, 237990

1721

Painting and Paper Hanging*

237310, 238320

1741

Masonry, Stone Setting, and Other Stone Work

238140

1742

Plastering, Drywall, Acoustical, and Insulation Work

238310

1761

Roofing, Siding, and Sheet Metal Work

238160, 238170, 238390

1771

Concrete Work

238110, 238140, 238990

1794

Excavation Work

238910

1795

Wrecking and Demolition Work

238910

1799

Special Trade Contractors, n.e.c.

236220, 237990, 238150, 238190, 238290

3251

Brick and Structural Clay Tile

327121, 327331

3253

Ceramic Wall and Floor Tile

327122

3255

Clay Refractories

327124

3261

Vitreous China Plumbing Fixtures and China and Earthenware Fittings and Bathroom Accessories

327111

3262

Vitreous China Table and Kitchen Articles

327112

3264

Porcelain Electrical Supplies

327113

3269

Pottery Products, n.e.c.

327112

3271

Concrete Block and Brick

327331

3272

Concrete Products, Except Block and Bricks

327332, 327390, 32799

3273

Ready-Mixed Concrete

327320

3281

Cut Stone and Stone Products

327991

3291

Abrasive Products

327910, 332999

3299

Nonmetallic Mineral Products, n.e.c.

327112, 327420, 327999

3312

Steel Works, Blast Furnaces (Including Coke Ovens), and Rolling Mills

324199, 331111, 331221

3321

Gray and Ductile Iron Foundries

331511

3322

Malleable Iron Foundries

331511

3325

Steel Foundries, n.e.c.

331513

3334

Primary Production of Aluminum

331312

3365

Aluminum Foundries

331524

3366

Copper Foundries

331525

3369

Nonferrous Foundries, Except Aluminum and Copper

331528

3431

Enameled Iron and Metal Sanitary Ware

332998

3441

Fabricated and Structural Metal*

332312

3443

Fabricated Plate Work (Boiler Shops)*

332313, 332410, 332420

3444

Sheet Metal Work*

332321, 332322, 332439, 333415

3471

Electroplating, Polishing, Anodizing, and Coloring*

332813

3479

Coating, Engraving, and Allied Services, n.e.c.*

332812, 339911, 339912, 339914

3531

Construction Machinery and Equipment*

333120, 333923, 336510

3599

Industrial and Commercial Machinery and Equipment*

332710, 332813, 332999, 333319, 333999, 334519, 336399

3715

Truck Trailers*

336212

5032

Brick, Stone, and Related Construction Materials3

423320, 425110, 425120, 444190

7532

Top, Body, and Upholstery Repair Shops and Paint Shops*

811121

*Crystalline silica exposure primarily from abrasive blasting operations1 Standard Industrial Classification Manual, 1987. Executive Office of the President, Office of Management and Budget.

2 North American Industry Classification System, United States, 2002. Executive Office of the President, Office of Management and Budget.

3 This industry may be subject to OSHA Instruction CPL 02-00-051 – Enforcement Exemptions and Limitations under the Appropriations Act (or a subsequent version).

Source: Federal OSHA Inspection Data for Silica (Code 9010-Quartz) compiled in the OSHA Integrated Management Information System (IMIS), from 01/01/1996 through 03/31/2007.