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Jul 08 02 03: 42p Elif - Iv Contractors Inc 20946' "'342 p• 5 <br /> i kML <br /> STATE` <br /> j <br /> Califomia State Fre Marshal <br /> CODE INTERPRETATION <br /> Date Issued July 27, 2007 Interpretation 06-124 <br /> Topic Healy Clean Air Separator(CAS)Tank as a "Vapor <br /> Processin Unit <br /> Code Sections) CFC 5202.13.3.9 <br /> Requested by Don Foster <br /> Gettler-Ryan Inc. <br /> 1364 N. McDowell Blvd, Suite B2 <br /> Petaluma, CA 95954 <br /> The California State Fire Marshal has accepted the UL certifica Fon of the <br /> Nealy Clean Air Separator(CAS) Tank as a "Vapor Processing Unit". 2001 <br /> CFC Section 520213.3.9 indicates that the vent termination from vapor <br /> Processing units shall be not less than 8 feet above the processing unit <br /> itself. <br /> All of the Healy installation materials and the California Air Resources <br /> Board Executive Order VR-202-A exhibits indicate that the underground <br /> storage tank pressure vacuum vent valve termination need only be located <br /> f2 feet above grade. No reference is made to the&foot separation <br /> requirement. <br /> We have two Questions for your consideration and interpretation_ <br /> 1- Does Me UST pressure vacuum vent valve need to be located 8 feet <br /> above the CAS Tank as indicated on the attached Detall 1? <br /> No. The desig-t of the CAS is such that all vapors from the UST are completely <br /> trapped within the "bladder" contained in the CAS. The vent coming from the <br /> CAS is to vent the interstitial space between the bladder and the outside wall of <br /> the CAS. (See footnote Below) <br />