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The employer shall monitor environmental exposure of employees to carbon monoxide whenever internal combustion engines discharge engine exhaust gases indoors or unvented space heaters are operated indoors to ensure that carbon monoxide levels do not exceed those given in Code of Federal Regulations, title 29, section 1926.55, Appendix A. The air monitoring shall be done during initial operation and at least quarterly thereafter and during a period representing highest usage in areas where carbon monoxide exposure is most likely.

Statutory Authority:

MS s 182.655


12 SR 1754; 21 SR 1897

Published Electronically:

June 11, 2008

Official Publication of the State of Minnesota
Revisor of Statutes