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September 8, 2021 <br />Ms. Elena Manzo <br />Lead Sr., Environmental Health Specialist <br />San Joaquin County Environmental Health Department <br />1868 E. HazeIton Avenue <br />Stockton, CA 95205 <br />RE: ARAMARK Uniform & Career Apparel, LLC — Spill Incident #COGM90T6S <br />Dear Ms. Manzo: <br />This letter is follow-up to the notification of the spill occurring at our facility located at 7679 S. <br />Longe Street, Stockton on Saturday, August 28th. <br />At approximately 2:00pm on the referenced date, we discovered our wastewater equalization tank <br />overflowed resulting in approximately 3,000 gallons of wastewater to discharge into the northside <br />parking lot area. A call was placed to County dispatch at approximately 2:30pm to provide <br />notification of the incident. <br />The wastewater which collected in the parking lot did not leave the property or affect any storm <br />drain conduit since the "safe-drain" protection valve system was in the closed position. A rental <br />pump was utilized to remove the wastewater and direct it back into the wastewater holding pits for <br />processing through the pretreatment system. Additionally, the affected parking lot area and <br />"safe-drain" valve vault was pressure washed and cleaned to remove any residuals. The water <br />used during clean-up was also directed back into the wastewater pit for processing through the <br />pretreatment system. <br />The cause of this incident was human error due to the main plant water valve being left open after <br />shut-down on Friday. The corrective action was to retrain all employees on proper shut-down <br />procedures and adding this item to shut-down checklist. <br />We appreciate your cooperation and understanding regarding this issue. If you should have any <br />questions or require additional information, please do not hesitate to contact me at <br />707-601-6562. <br />Sincerely, <br />Aaron Spehling <br />General Manager of Production