Table 1: Information on workplaces.

PlantRegion
(handling workers)
Manufactured materialsProcessEngineering controlsPPE Used

A
(Industry)
Incheon
(5)
MWCNT manufacturing, applicationChemical synthesis (pilot test)Enclosed local exhaust system, fume hoodHalf-mask, working clothes, gloves

B
(Industry)
Jeonju
(6)
SWCNT manufacturing, applicationChemical synthesis (mass production)Enclosed local exhaust systemWorking clothes