Research Article

National Survey of Workplaces Handling and Manufacturing Nanomaterials, Exposure to and Health Effects of Nanomaterials, and Evaluation of Nanomaterial Safety Data Sheets

Table 1

Total number of workplaces surveyed.

ClassificationNumber (%)

Total number of workplaces surveyed126,846
 Level of workplace
  Workplaces hiring 5 workers or more, insured by OACI in manufacturing sector100,773 (79.4%)
  Workplaces hiring fewer than 5 workers, insured by OACI in manufacturing sector16,073 (12.7%)
  Workplaces in nonmanufacturing sector10,000 (7.9%)
Total number of workplaces handling or manufacturing nanomaterials340 (0.27%) (100%)
 Types of handling or manufacturing
  Synthesis75 (22.1%)
  Processing121 (35.5%)
  Production75 (22.1%)
  Other69 (20.3%)
 Number of nanomaterials or products
  Number of nanomaterials 546
  Number of nanoproducts 583
  Average number of nanomaterials per company1.60
  Average number of nanoproducts per company1.71