(a) Except as provided in subsection (b) of this section, this title applies to the working conditions at each work place in the State.
(b) This title does not apply to a working condition of:
(1) an employee of the federal government or its units; or
(2) an employee whose occupational safety and health is protected under:
(i) the Federal Mine Safety and Health Act of 1977;
(ii) the Longshore and Harbor Workers’ Compensation Act; or
(iii) the Atomic Energy Act of 1954.