OSHA has no lawful authority outside of the areas of federal jurisdiction, which are: (a) Washington, DC (b) federal territories and (c) federal enclaves.

The only exception would be a business or individual who voluntarily entered into a contract with the federal government, and agrees as a condition of that contract to do certain things. But even those conditions cannot be enforced if they are based on fraud.

People need to grow a pair and tell the feds to kick rocks.