California Code, Health and Safety Code - HSC § 39705

(a) The state board shall appoint a screening committee of not to exceed 11 persons, the membership of which may be rotated as determined by the state board.

(b) The committee shall consist of physicians, scientists, biologists, chemists, engineers, meteorologists, and other persons who are knowledgeable, technically qualified, and experienced in air pollution problems for which projects are being reviewed.At least two members of the committee shall have demonstrated expertise in the field of climate change. The committee shall review, and give its advice and recommendations with respect to, all air pollution and climate change-related research projects funded by the state and subject to approval by the state board, including both those conducted by the state board and those conducted under contract with the state board.

(c) The committee members shall receive one hundred dollars ($100) per day for each day they attend a meeting of the state board or meet to perform their duties under this section. In addition to the compensation, they shall receive their actual and necessary travel expenses incurred while performing their duties.