Text For Citation: 01 Item/Group: 002A Hazard:

29 CFR 1910.1000(a)(2): Employee(s) were exposed to an airborne concentration of cobalt dust listed in Table Z-1 in excess of the 8 hour Time Weighted Average concentration of .1 milligrams per cubic meter (mg/m(3)): a) Building #11 - An employee, sizing cobalt alloy powders, was exposed to airborne cobalt at an 8-hour Time Weighted Average (TWA) of .9733 milligrams per cubic meter (mg/m(3)), 9.73 times the limit of .1 mg/m(3), the limit established to prevent cobalt poisoning. The sampling was performed for 344 minutes during one work shift on June 10, 2014. Zero exposure was assumed for the unsampled time period of 136 minutes. Abatement certification and documentation required within 10 days after abatement date. The certification shall include a statement that abatement is complete, the date and method of abatement, and state that employees and their representatives were informed of this abatement. Abatement documentation shall include documents demonstrating that abatement is complete, such as evidence of the purchase or repair of equipment, photographic or video evidence of abatement or other written records.