Text For Citation: 02 Item/Group: 004B Hazard:

29 CFR 1910.1026(f)(1)(i): Feasible engineering controls and work practices were not instituted to reduce and maintain employee exposures to chromium (VI) at or below the permissible exposure limit: (a)Wheeler Tank Manufacturing, Inc. at 4001 North 4th Avenue, Sioux Falls, SD 57104: On or about and at times prior to February 27, 2024, an employee's exposure to hexavalent chromium when performing work in the stainless tank shop was measured to be approximately 6.16 ug/m^3 as an 8-hour time weighted average ("8-Hr TWA") which is above the permissible exposure limit for hexavalent chromium of 5 ug/m^3 as a 8-Hr TWA. The company had not ensured effective engineering controls and work practices were instituted to reduce employee exposure to hexavalent chromium. Adverse health effects associated with hexavalent chromium exposure include occupational asthma, eye irritation and damage, perforated eardrums, respiratory irritation, kidney damage, liver damage, pulmonary congestion and edema, upper abdominal pain, nose irritation and damage, respiratory cancer, skin irritation, and erosion and discoloration of the teeth. The Wheeler Tank Manufacturing, Inc. was previously cited for a violation of this occupational safety and health standard, which was contained in OSHA inspection number 1373004, citation number 1, item number 4-b and was affirmed as a final order on June 11, 2019, with respect to a workplace located at 4001 North 4th Avenue, Sioux Falls, SD 57104.