Document JNQ3V4xEEqgeV03jJ9nDyDM26

Facility representative signed the NOI. Ms. Person said that she would provide the NOI at the end of the inspection. The EPA inspector began with a review of records followed by a physical inspection of the Facility. Photographs of UST system components were collected during the inspection (see Attachment C). Records supplied are included as Attachment D. Tank Leak Detection Tank leak detection consists of manual monitoring of the tank's interstice. The facility provided twelve months of passing leak detection records at the time of inspection. Piping Leak Detection Lines are all equipped with mechanical line leak detectors (MLLDs). The MLLDs and lines were tested and passed on May 31, 2023. Cathodic Protection The USTs are STI-P3 construction. The Facility maintained a record of the passing tests dated May 26, 2020, and June 1, 2023. Periodic Testing/Inspection of Spill and Overfill Prevention Equipment The ball float valves passed a triennial overfill prevention equipment inspection on September 9, 2021. The Facility's spill buckets were tested and passed on May 31, 2023. Periodic O&M Walkthrough Inspections Records of the monthly and annual walkthrough inspections for the last twelve months were available at the time of the inspection. Operator Training Certificates for the Class A and B operator were present during the inspection. There were no Class C operators or training at this Facility as it is unmanned. Financial Responsibility The Facility uses the Montana Petroleum Tank Release Cleanup Fund (fund) for financial responsibility coverage. The Facility had the required Certificate of Financial Responsibility and Montana UST Operating Permit. The Certificate of Financial Responsibility in the Facility's record was not notarized. A final copy was available in the EPA's records. Physical Observations The EPA inspectors observed the tank top sumps, spill buckets, fill ports and dispensers. The spill buckets for Tanks 1 through 3 were clean, intact and functional. The EPA inspectors observed the operator conduct the manual interstice monitoring. The monitoring was conducted properly, the interstice was dry, and the gauging stick utilized was in good condition. Conclusion Prior to departing the Facility, Ms. Person stated that a full inspection report would be forthcoming, which includes the inspection checklist (see Attachment E). The EPA Inspector provided the Facility representatives with the NOI form and retained a carbon copy for recordkeeping. 2010056 - Thronson's Page 2 of 3 7/18/23 UST Inspection Inspection Report Attachments A. Record of Communication B. Notice of Inspection C. Photo Log D. Records E. Inspection Checklist Signature Lead Inspector ROBERTA PERSON Date: 2023.08.22 10:40:35 -06'00' Digitally signed by ROBERTA PERSON Roberta Person Date of signature 2010056 - Thronson's Page 3 of 3 7/18/23 UST Inspection