(a) This article and Article 3 (commencing with Section 25545), as it pertains to the handling of hazardous material, and Article 2 (commencing with Section 25531), as it pertains to the regulation of stationary sources, shall be implemented by one of the following:
(1) If there is a CUPA, the unified program agency.
(2) If there is no
CUPA, the agency authorized pursuant to subdivision (f) of Section 25404.3.
(b) The agency responsible for implementing this article, Article 2 (commencing with Section 25531), and Article 3 (commencing with Section 25545) shall ensure full access to, and the availability of, information submitted under this chapter to emergency response personnel and other appropriate governmental entities within its jurisdiction.