jgjacobgallegos36611 jgjacobgallegos36611 30-01-2024 Law contestada When was HCS implemented by OSHA in? When was it revised? A) Implemented in 1970, revised in 1994 B) Implemented in 1983, revised in 2012 C) Implemented in 1991, revised in 2015 D) Implemented in 2000, revised in 2018