(a) Nothing in this act shall:
(i) Limit or restrict the present jurisdiction or authority of the public service commission except employee safety and occupational health;
(ii) Supersede or limit the present authority for making rules and regulations pertaining to coal mines;
(iii) Affect the rules and regulations now in force until the commission shall adopt rules and regulations pertaining to noncoal mines and until the same shall become effective;
(iv) Affect the appointment of the state mine inspector and deputy mine inspectors;
(v) Affect the powers and duties of the state mine inspector and deputy mine inspectors as to their present powers and duties until July 1, 1970.