The Assistant Secretary may partially approve a plan under Part 1902 of this chapter whenever:
The portion to be approved meets the requirements of Part 1902;
The plan covers more than one occupational safety and health issue; and
Portions of the plan to be approved are reasonably separable from the remainder of the
Whenever the Assistant Secretary approves only a portion of a State plan, he may give notice to the
State of an opportunity to show cause why a proceeding should not be commenced for disapproval of the remainder of the plan under Subpart C of Part
1902 before commencing such a proceeding.