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The following is an itemized list of CP22 - UST FULL violations that have not been addressed for YRC INC (now Estes-Tracy) as of June 10, 2025. Open violations from February 26, 2025 inspection Violation #2 - 2010010 - Complete and accurate UST Operating Permit Application has been submitted.. OBSERVATION: UST Tank Information forms are not current in the California Environmental Reporting System (CERS). - The used oil tank (CERS ID10181485-002, map tank #2) lists that there is not a containment sump for the spill bucket. The spill bucket was observed in a containment sump on site. REGULATION GUIDANCE: Any change of information must be updated in CERS within 30 days of the changes. CORRECTIVE ACTION: Immediately log into CERS, update the required information, and submit for review by the EHD. ❑ This violation was corrected ❑ This violation will be corrected by (date): ❑ Supporting documents included Describe actions taken or will be taken to correct violation: Violation #52 - 2030036 - Overfill prevention system has not been overridden and meets overfill requirements (TCR 9b). OBSERVATION: The following tanks do not have approved overfill methods installed. All have flappers (overfill prevention valves) installed but flappers are not an approved method for the tanks due to the tank contents. Most flappers have a manufacturer-specific minimum flow rate necessary for the device to properly operate. The contents of these tanks and the nature of how they are filed do not allow for a strong enough flow rate to shut off the valve . - CERS tank ID 10181485-001 (map tank #7) containing soap. Has single-walled vent piping and direct bury spill container. - CERS tank ID 10181485-002 (map tank #2) containing used oil. Has single-walled vent piping and spill container in a sump. The input of used oil into this tank is not from the fill pipe with the spill bucket but rather connected from the shop in a different building, per technicians on site. - CERS tank ID 10181485-003 (map tank #6) containing used oil. Has single-walled vent piping and direct bury spill container. - CERS tank ID 10181485-007 (map tank #1) containing waste diesel. Has single-walled vent piping and direct bury spill container. This tank does not have waste diesel inputted via the spill bucket but is used as an overflow tank to catch overflows from the AST, per technicians on site. REGULATION GUIDANCE: All underground storage tanks shall be equipped with an overfill prevention system that does not allow for manual override and meets one of the following requirements: 1. Alert the transfer operator when the tank is 90 percent full by restricting the flow into the tank or triggering an audible and visual alarm; or 2. Restrict delivery of flow to the tank at least 30 minutes before the tank overfills, provided the restriction occurs when the tank is filled to no more than 95 percent of capacity; and activate an audible alarm at least five minutes before the tank overfills; or 3. Provide positive shut-off of flow to the tank when the tank is filled to no more than 95 percent of capacity; or, 4. Provide positive shut-off of flow to the tank so that none of the fittings located on the top of the tank are exposed to product due to overfilling. Page 1 of 3