Cal. Code Regs. tit. 25 § 4535Download PDFCurrent through Register 2025 Notice Reg. No. 2, January 10, 2025Section 4535 - Ventilation. [Repealed]Cal. Code Regs. Tit. 25, § 45351. Repealer filed 9-19-2011; operative 10-19-2011 (Register 2011, No. 38).1. Repealer filed 9-19-2011; operative 10-19-2011 (Register 2011, No. 38).