(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.