California Code, Labor Code - LAB § 6359.1.5

(a) A person or entity engaged in high-exposure trigger tasks shall not use dry methods when engaging in any high-exposure trigger tasks.

(b) A person or entity engaged in high-exposure trigger tasks shall use effective wet methods when engaging in any high-exposure trigger tasks.

(c) A violation of this section shall be grounds for an immediate order by the division prohibiting continued work and shall be grounds for penalties as set forth in Division 5 and Chapters 3.2, 3.3, 3.5, 4, and 7 of Division 1 of Title 8 of the California Code of Regulations.

(d) The division shall enforce this section by issuing a citation alleging a violation of this section and a notice of civil penalty in a manner consistent with Section 6317.  Any person who receives a citation and penalty may appeal the citation and penalty to the appeals board in a manner consistent with Section 6319.