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Backus, Garrett [EHD] <br /> From: Backus, Garrett [EHD] <br /> Sent: Monday, November 14, 2022 8:35 AM <br /> To: mtmpchem@aol.com <br /> Subject: RE: Applied Aerospace Structures Corp.-3437 So.Airport Way, Stockton <br /> Hi Michael, <br /> Looks great. Please provide a copy of the non-RCRA HW manifest when it's available. <br /> Thank you, <br /> Garrett Backus, Ld. Sr. RENS, CUPA programs <br /> San Joaquin County Environmental Health Department <br /> 1868 E Hazelton Ave, Stockton, CA 95205 <br /> Cell: (209)616-3030 <br /> Email: gbackus .s]gov.org <br /> Free CUPA training classes signup: https://www.slgov.org/department/envhealth/ <br /> From: mtmpchem@aol.com <mtmpchem@aol.com> <br /> Sent: Friday, November 11, 2022 3:18 PM <br /> To: Backus, Garrett [EHD] <gbackus@sjgov.org> <br /> Subject: Re:Applied Aerospace Structures Corp.-3437 So.Airport Way, Stockton <br /> Hello Garret, <br /> The tank was thoroughly cleaned using a high a pressure sprayer. <br /> The residual liquid from the cleaning was collected into 55gl drums. <br /> This residual will be reintroduced into the new tank for processing. <br /> The poly tank and associated piping/valves were cut up and collected into a triwall box for analysis. <br /> Pieces of the tank (taken from various sections) and piping/valves were analyzed for chromium. <br /> The chromium came back at 42ppm. (Analytical attached) <br /> 20 x dilution=2.1ppm. <br /> I have also attached the profile we intend to use to dispose of this waste upon your approval. <br /> Please let me know if you need anything else or if we can proceed as outlined. <br /> Respectfully, <br /> Michael Montanus <br /> Premier Chemical <br /> -----Original Message----- <br /> From: mtmpchem(@_aol.com <br /> To: gbackus(cDsigov.ora <gbackus(cDsigov.org> <br /> 1 <br />