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SAN 1 O A Q U I N Environmental Health Department COUNTY 6 . The UST system must be installed in compliance with all of the following : a . The installed UST system must be compliant with all applicable laws , regulations , and industry standards . All installation and testing shall be in compliance with manufacturer' s instructions and CCR 2635 and 2636 . All monitoring system components shall be listed in the State Water Resources Control Board ' s Local Guidance Letter ( LG ) 113 . b . All primary containment including any integral secondary containment system must be certified by an independent testing organization and labeled as required by the organization ( California Code of Regulations Title 23 Chapter 16 (CCR ) 2631 ( b) ; UL , ULC , ANSI , API , ASTM , etc . See CCR Table B for complete list. ) . Pursuant to Underwriters Laboratories Inc . ( UL) listing requirements , only those products bearing the UL mark will be considered listed . ANY PART/PRODUCT NOT MARKED. WITH THE UL LABEL OR ANOTHER LISTED TESTING ORGANIZATION WILL BE REJECTED . All secondary containment system which is not an integral part of the primary containment shall be designed and constructed according to an engineering specification approved by a state registered professional engineer or according to a nationally recognized industry code or engineering standard , per CCR 2631 ( d ) . c . All metal components in direct contact with the ground , such as flexible connectors , swing joints , fittings , clamps , bands , and pumps , shall have adequate corrosion protection . d . Install concrete of sufficient thickness over USTs and around sumps and dispensers , according to the manufacturer' s written installation instructions and buoyancy calculations . e . All tank top openings that are connected to the primary space of the UST must have secondary containment, audible/visual alarm , and be vapor tight or terminate at grade . f. Sumps , including UDCs , must be constructed in a manner to prevent vapors from entering the backfill . g . All secondary containment must be constructed to prevent water intrusion and must be continuously monitored as required under HSC 25290 . 1 . h . Chase piping must be VPH monitored and included in its respective product piping vacuum monitoring zone . All vacuum zone volumes must be accurately programmed and their volumes adequate for their respective vacuum sensors . All sensors must be installed to detect a leak at the earliest opportunity . i . Overfill prevention shall satisfy CCR 2635 ( b) (2 ) ( C ) , pursuant to the permit application . No ball floats shall be installed on vent lines to comply with overfill prevention requirements ( Code of Federal Regulations , Title 40 , section 280 . 20 ( c) ) j . Hazardous material or waste cannot be released , intentionally or unintentionally , to the sewer/septic system , storm water system , or any other waters of the state . If a release occurs , it will be considered illegal hazardous waste disposal and will be subject to enforcement . k. No additional shut off valves should be installed between the monitored interstitial spaces and their respective sensors . PRIOR TO FIRST FUEL DELIVERY : 7 . A valid California Department of Tax and Fee Administration ( CDTFA) number must be obtained and provided to EHD prior to fuel drop . This number must be uploaded into the California Environmental Reporting System ( CERS ) at https : Hcers . calepa . ca . gov . 3 of 4