Health and Safety Code section 25543.3

The agency, in consultation with the Office of Environmental Health Hazard Assessment, shall periodically do all of the following:

(a)

Review each regulated substance on the list established pursuant to subparagraph (B) of paragraph (2) of subdivision (i) of Section 25532 and, taking into consideration the factors specified in subdivision (g) of Section 25543.1, determine if the regulated substance should remain subject to regulation under this article or should be deleted from that list of regulated substances.

(b)

Review the state threshold quantity for each regulated substance that the agency determines should remain on the list of regulated substances, and determine, taking into consideration the factors specified in subdivision (g) of Section 25543.1, if the state threshold quantity should be revised.

(c)

Adopt regulations, which amend the list of regulated substances adopted pursuant to subparagraph (B) of paragraph (2) of subdivision (i) of Section 25532, and adopt state threshold quantities for regulated substances, based on the determinations of the agency under subdivisions (a) and (b).

Source: Section 25543.3, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=HSC§ionNum=25543.­3.­ (updated Jul. 22, 2021; accessed Jul. 20, 2026).

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Verified:
Jul. 20, 2026

§ 25543.3's source at ca​.gov