OSHRC Unanimously Vacates Machine-Guarding Citation, and then Two More By J. Davis Jenkins on October 2, 2020 Email this postTweet this postLike this postShare this post on LinkedIn On September 21, 2020, the Occupational Safety and Health Review Commission (OSHRC) unanimously vacated a machine-guarding citation on the ground that the injured operator had deliberately bypassed the guard that the employer had installed.