OSHA Inspection: RIEGER, BORGEN, BENSON ELECTRIC, INC.

Issued

2026-06-05 00:00:00

Abate by

2027-05-03 00:00:00

Penalty

Initial $11585.00 · Current $8110.00 Reduced

Hazardous substances 0560

General-duty citation text

29 CFR  1910.1200(h)(3)(i): Employee training did not include methods and observations that may be used to detect the presence or release of a hazardous chemical in the work area (such as monitoring conducted by the employer, continuous monitoring devices, visual appearance or odor of hazardous chemicals when being released, etc.):   (a) On December 9th, 2025, at 6320 Ridgeland Drive Bismarck, ND, employees working in an enclosed, underground parking garage where a propane powered heater was being utilized, did not receive training on methods used to detect the presence of carbon monoxide. This conditions exposed employees to inhalation hazards from carbon monoxide.

Issued

2026-06-05 00:00:00

Abate by

2027-05-03 00:00:00

Penalty

Initial $132411.00 · Current $92688.00 Reduced

Hazardous substances 0560C730

General-duty citation text

29 CFR  1926.55(a)(2): Employees were exposed to an airborne concentration of Carbon Monoxide in excess of the 8-hour Time Weighted Average (TWA) concentration of 50 parts per million (ppm).  (a) On December 9th, 2025, at 6320 Ridgeland Drive Bismarck, ND, an apprentice electrician, while assisting a journeyman electrician hanging temporary lighting, was exposed to carbon monoxide at a level of 426.4 ppm on an 8 hour Time Weighted Average, approximately 8.53 times the OSHA PEL of 50 PPM. This exposure was determined by Carboxyhemoglobin calculations.  (b) On December 9th, 2025, at 6320 Ridgeland Drive Bismarck, ND, a journeyman electrician, hanging temporary lighting, was exposed to carbon monoxide at a level of 370.5 ppm on an 8 hour Time Weighted Average, approximately 7.41 times the OSHA PEL of 50 PPM. This exposure was determined by Carboxyhemoglobin calculations.

Issued

2026-06-05 00:00:00

Abate by

2027-05-03 00:00:00

Penalty

Initial $0.00 · Current $0.00

Hazardous substances 0560C730

General-duty citation text

29 CFR  1926.55(b): Feasible administrative or engineering controls were not implemented to reduce employee exposure(s) to a substance(s) listed in Table 1 or 2 of §1926.55:  (a) On December 9th, 2025, at 6320 Ridgeland Drive Bismarck, ND, employees installing temporary lighting in an enclosed, below ground parking garage were exposed to an 8-hour Time Weighted Average (TWA) for carbon monoxide of 370.5 ppm (7.41 times the PEL) and 426.4 ppm (8.53 times the PEL) from a Wacker Neuson propane powered heater (model HI400 HD G, Serial No. 20105742) operating in the space. The employer did not implement engineering and/or administrative controls to reduce employee exposures to carbon monoxide to below the 8-hour Permissible Exposure Limit (PEL) of 50 ppm.