# Federal Register
1 - 1910.1013 - 79:61383-61438 - Chemical Management and Permissible Exposure Limits (PELs) - PDF
2 - 1910.1013 - 45:35212 - Propiolactone, Beta-
3 - 1910.1013 - 41:35184 - Carcinogens
4 - 1910.1013 - 39:3756 - Carcinogens
# Regulations
1 - 1910.1013 - beta-Propiolactone.