Positive means of automatic isolation of tanks may be required in vapor return piping to prevent flashback from reaching the tanks.
Cal. Code Regs. Tit. 19, § 1918.62
1. Renumbering of former Section 1918.62 to Section 1918.63, and renumbering and amendment of former Section 1918.61 to Section 1918.62 filed 9-27-85; effective thirtieth day thereafter (Register 85, No. 41). Note: Authority cited: Section 41956, Health and Safety Code. Reference: Sections 41956 and 41958, Health and Safety Code.
1. Renumbering of former Section 1918.62 to Section 1918.63, and renumbering and amendment of former Section 1918.61 to Section 1918.62 filed 9-27-85; effective thirtieth day thereafter (Register 85, No. 41).