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From: Muro, Claudia [EHD] <br />Sent: Tuesday, November 10, 2020 10:15 AM <br />To: Mock, Ryan <Ryan.Mock@simplot.com > <br />Cc: Pizzato, Bret <bret.pizzato@simplot.com > <br />Subject: RE: [EXTERNAL] Phosphoric Acid tank status <br />Hi Ryan, <br />Thank you very much for the update. <br />Claudia Muro <br />Environmental I lean Specialist <br />San Joaquin County Environmental Health Department <br />1868 E. Hazelton Avenue <br />Stockton, CA 9.5205 <br />se (209) .168-3-120 <br />A (209) 168-3-1.33 <br />(2] cmuro@sjgov.org <br /><image001png> <br />From: Mock, Ryan <Ryan.Mock@simplot.com > <br />Sent: Tuesday, November 10, 2020 10:12 AM <br />To: Muro, Claudia [EHD] <cmuro@sigov.org> <br />Cc: Pizzato, Bret <bret.pizzato@simplot.com > <br />Subject: RE: [EXTERNAL] Phosphoric Acid tank status <br />CAUTION: This email is originated from outside of the organization. Do not click links or open attachments unless <br />you recognize the sender and know the content is safe. <br />Hello Claudia, <br />The tank is empty and no longer leaking as of 11/5/2020. Any phosphoric acid that leaked from the tank <br />appears to be contained within the concrete ring wall. Until the liner inspection is complete, I am not <br />sure if the liner will be replaced or repaired. If replaced, it will be disposed of. <br />The drip pan that you refer to is under a leak detection port to see if there is acid between the liner and <br />the tank. We did not see any acid come out of that port so the liquid level between tank and liner was <br />lower than that point. <br />We have meetings over the next couple of days to finalize the plan for moving forward with cleaning, <br />repair and any remediation. <br />Thank you, <br />Ryan Mock <br />Environmental Manager <br />J.R. Simplot Company — Lathrop <br />6