California Code of Regulations
Title 19 - Public Safety
Division 1 - State Fire Marshal
Chapter 11.5 - Gasoline Vapor Control Systems
Article 5 - Installation-Vapor Recovery Systems-with Processing
Section 1918.61 - Flame Arrestors
If the operation of the system will produce a flammable mixture in the piping which will carry it to the storage tanks, an approved flame arrestor, tested in accordance with the applicable provisions of Article 7, shall be properly installed in vapor return piping between the shear section and the storage tank.
EXCEPTION: An approved automatic fire check may be installed in lieu of an approved flame arrestor.
1. Renumbering and amendment of former Section 1918.61 to Section 1918.62, and renumbering of former Section 1918.55 to Section 1918.61 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.