South Carolina Gov. Henry McMaster has called the U.S. Occupational Safety and Health Administration’s (OSHA) recent threat this week to rescind the state’s workplace safety plan a “preemptive strike by the federal government.” “With no state regulators in the way, the federal Labor Department will be free to penalize employers who do not comply with President [Joe] Biden’s unconstitutional vaccine mandate,” McMaster said on Twitter. According to OSHA, three Republican-led states—South Carolina, Utah, and Arizona—have not adopted its COVID-19 health care policies enacted in June, which includes providing employees with personal protective equipment. There are 22 state OSHA-approved workplace safety and health program plans operated by individual states or U.S. Territories that are monitored by OSHA. In September, Biden announced that he had directed the Department of Labor to develop a rule requiring all employers with 100 or more employees to get vaccinated. OSHA, which falls under the Department of …