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SAN JOAQUIN <br />eisiowis "aft km.' <br />From: Bryan Toledo <Bryan.Toledo@stocktonca.gov> <br />Sent: Monday, February 1, 2021 12:50 PM <br />To: Backus, Garrett [EHD] <gbackus@sigov.org> <br />Cc: Richard Stiffler <Richard.Stiffler@stocktonca.gov> <br />Subject: Stockton Propeller, Inc. 2478 N. Wilcox <br />CAUTION: This email is originated from outside of the organization. Do not click links or open attachments unless you recognize the <br />sender and know the content is safe. <br />Garrett, <br />Our office was conducting industrial waste surveys and came across Stockton Propeller, Inc. Our office will be issuing a <br />Zero Discharge Permit under 40 CFR 433 Metal Finishing as it was determined through our inspection that Stockton <br />Propeller uses Alodine in there process and also generated Alodine waste. I'll assume your office is aware of the Alodine <br />use and disposal through your inspections and CERS filing, but we wanted to confirm that SJCEHD was aware of a few <br />issues we found. Etching process wastewater (acid and caustic rinse water) and penetrant fluid (Ardox 970P25E) rinse <br />water are being discharged to the on site septic tank. Another issue of note with the penetrant process room was the <br />plumbing code violations. There was no active plumbing in the penetrant room and operators were manually pumping <br />with a garden hose and submersible pump into the ceiling and dropped into a sewer vent pipe and ultimately to the <br />septic tank. <br />This facility is located within the County but falls under Federal Regulations for Alodine and other ancillary processes. <br />Our office is currently in the process of issuing a Zero Discharge Permit which stipulates the waste cannot be brought to <br />out facility from any of our permitted septic haulers and will be added to our Do Not Pump List. <br />Please let Richard or myself know if you need any additional info. They're currently in the process of drafting a permit <br />application for us and the landlord lives on the property. Mike Belmont is the Service Manager and contact if needed. <br />Thanks, <br />Bryan Toledo <br />Senior Environmental Control Officer <br />City of Stockton Municipal Utilities Department <br />Environmental Control Division <br />Phone (209) 937-8719 <br />Cell (209) 993-3273 <br />Fax (209) 937-8702 <br />Bryan.toledo@stocktonca.eov <br />4