OSHA has levied more than $150,000 in fines against a Louisiana contractor after two of his employees lost consciousness and collapsed in a sewer system. An agency investigation found that Don M. Barron Contractor allowed its workers to enter a confined space without having tested the space for hazards, which resulted in the employees losing consciousness and collapsing.

OSHA issued citations against the Baton Rouge-based company for six serious violations and one willful violation. The agency also cited company for failing to maintain gas testing meters and rescue equipment, and for not training all employees in confined space entry.

Proposed penalties: $152,147

Don M. Barron Contractor specializes in commercial buildings and utilities.