Except where in conflict with Section 142.3, or other applicable provisions of law, the standards board may exempt from the provisions of this part and its standards uses of carcinogens which it determines have been shown by a preponderance of the evidence to present no substantial threat to employee health and which may include, but need not be limited to, any of the following:
Except as provided in Section 18930 of the Health and Safety Code, the standards board shall adopt regulations for the implementation of the provisions of this section.
Ca. Lab. Code § 9015