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Complaint Investigation Summary <br /> Report #: 5105 <br />COMPLAINT ID: COO1JBAH1 Site Location: 2478 N WILCOX RD <br />Received by: EE0004636 BACKUS <br /> Received Date: 2/1/2021 Complaint Received Via: PHONE <br />Assigned To: EE0009818 BAKER <br /> <br />Assigned Date: 2/1/2021 <br />Program/Element Code 2200 - HAZARDOUS WASTE GENERATOR PROGRAM <br />Nature of complaint: <br />Metal finishing business is discharging corrosive and toxic wastewater to the on site septic tank. <br />PROPERTY INFORMATION <br />Property Name: <br />Site Location 2478 N WILCOX RD <br /> District 004 - WINN, CHARLES <br />STOCKTON, CA 95215 <br /> Location Code 99- UNINCORPORATED AREA <br />Cross Street WATERLOO APN 10102174 <br />Complaint Status: <br />Date Abated: ( Abated By: .q/AC/t.,, 5' <br />Activity Summary <br />Activity Date Recorded by <br />02/01/2021 Received complaint alleging Stockton Propeller is discharging corrosive and toxic BACKUS <br />waste water to the septic tank. The site etches metal products using alodine <br />(Henkel), acid and caustic solutions, and penetrant fluid Ardox 970P25E. The <br />complaint alleges the etching process wastewater (acid and caustic rinse water) <br />and penetrant fluid (Ardox 970P25E) rinse water are being discharged to the on <br />site septic tank. Alodine passivation of metal parts including aluminum uses <br />chromium, cyanide and fluoride compounds. <br />The Ardox 970P25E SDS does not show listed or characteristic hazardous waste <br />properties. <br />Stockton Propeller has been sending out D001 (ignitable) and F003 (spent <br />nonhalogenated solvents) in small amounts (0.2 tons a year). Their disposal <br />manifests do not include heavy metals or cyanide waste. <br />02/04/2021 Discussion with EHD personnel and research regarding this site. Obtained a site BACKUS <br />map with the septic tank location. The three businesses on site that have EHD <br />CUPA permits are Tuleburg Towing, Formurex Inc (pharmaceutical formulation <br />development), and Stockton Propeller. Fornnurex manifests offsite 3-4 tons a <br />year of solvents, pharmaceuticals and corrosives. <br />02/05/2021 Reviewed SDS for Ardox 970P25E and found that it consists of alcohol ethoxylate. BACKUS <br />Discussed case with DTSC contact Hansen Pang and they can help with sampling <br />02/05/2021 Emailed Howard Hold of the Regional Water Board at <br /> <br />BAKER <br />howard.hold@waterboards.ca.gov notifying him of complaint and plan to go out <br />with DTSC. <br />02/09/2021 Meeting with program coordinators regarding this site. BACKUS <br />02/09/2021 No return call or email from Howard Hold of Water Board. Called Howard Hold at BAKER <br />916-464-4679 to notify Water Board of complaint. He did not answer. <br />Pre-inspection meeting with Garrett Backus (Lead Sr. REHS), Melissa Nissim <br />(Program Coordinator), Michelle Henry (Lead Sr. RENS), Michael Kith (Program <br />Coordinator) and Muni Naidu (Assistant Director) <br />5105.rpt Page 1 of 2