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Environmental Health Department CP22 - AST Non-Qualified Inspection Report Date: October 21, 2024 Facility Address: 1002 FRONTAGE RD, RIPON Facility Name: GAS & SHOP SUMMARY OF VIOLATIONS (CLASS I, CLASS II, or MINOR - Notice to Comply) RemarksItem # multiple containers function as a single storage unit (67 FR 47122, July 17, 2002). Accordingly, the total capacity of manifolded containers is the design capacity standard for the sized secondary containment provisions (plus freeboard in certain cases). REGULATION GUIDANCE: (c)(2)Construct all bulk storage tank installations (except mobile refuelers and other non-transportation-related tank trucks) so that you provide a secondary means of containment for the entire capacity of the largest single container and sufficient freeboard to contain precipitation . You must ensure that diked areas are sufficiently impervious to contain discharged oil . Dikes, containment curbs, and pits are commonly employed for this purpose. You may also use an alternative system consisting of a drainage trench enclosure that must be arranged so that any discharge will terminate and be safely confined in a facility catchment basin or holding pond. CORRECTIVE ACTION: Immediately provide and maintain adequate secondary containment. Submit proof of correction to the EHD. This is a repeat violation (Class 2) Violation. Code of Fed Regulations 112.8(c)(2) 4030013 - Containment systems are sufficiently impervious to contain oil . OBSERVATIONS: The secondary containment for the 20,000 gallon tanks appeared to not be sufficiently impervious to contain discharged oil. -The western end of the containment berm appeared to have a circular depression which had a hole approximately one inch in diameter on the floor of the diked area. The hole seemed to have mud in it. Facility personnel were unsure what this was for or whether or not this hole was used for drainage. Material around the hole seemed to suggest liquid pooled around it, but what happened to the liquid is unclear. This hole is not addressed in the SPCC plan. This may traverse the concrete bottom and it may be a way for liquid to escape the secondary containment. -An approximately 2 inch pipe was observed running the length of the interior of the north wall of the containment area and exiting the wall through a penetration. The pipe was disconnected and separated at a joint near tank 3 and entry to the pipe interior was unobstructed. -The west wall the secondary containment was observed to have an open penetration that appeared to previously contain hardware. -The wall was observed to have multiple large cracks on both sides of the wall and there were roots/vegetation growing from between cinder blocks. REGULATORY GUIDANCE: Diked areas must be sufficiently impervious to contain discharged oil . CORRECTIVE ACTION: Immediately provide or repair all diked areas to be sufficiently impervious to contain oil . This is (Class 2) Violation. 50 Code of Fed Regulations 112.8(c)(3)(iv) 4010026 - Records maintained of drainage from diked areas. OBSERVATION: Adequate records of drainage of uncontaminated rainwater from diked areas (or NPDES permit records) of drainage were not found on site. REGULATION GUIDANCE: (c)(3)(iv) Keep adequate records of such events, for example, any records required under permits issued in accordance with §§ 122.41(j)(2) and 122.41(m)(3) of this chapter. CORRECTIVE ACTION: Immediately begin maintaining adequate records (or NPDES permit records) of drainage from 52 FA0000650 PR0516198 SC001 10/21/2024 EHD Rev. 12/06/2021 CP22 - AST Non-Qualified OIRPage 10 of 16 1868 E. Hazelton Avenue | Stockton, California 95205 | T 209 468-3420 | F 209 464-0138 | www.sjgov.org/EHD