Cal. Code Regs. tit. 13, § 2231
No device controlling exhaust emissions from portable and from mobile internal combustion engines used in enclosed structures shall be certified by the Air Resources Board unless it meets the following criteria:
Note: Authority cited: Sections 39600 and 39601, Health and Safety Code; Sections 6702 and 6703, Labor Code. Reference: Sections 6701, 6702 and 6703, Labor Code.
1. Change without regulatory effect renumbering former section 2276 to section 2231 and adding Note filed 9-17-91 pursuant to section 100, title 1, California Code of Regulations (Register 92, No. 4).