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METAL FINISHING SOLUTIONS, INC. <br />HAZARDOUS WASTE GENERATION <br />Metal Finishing Solutions, Inc. located in Stockton California is in the metal finishing business. The <br />company processes include cleaning, coating and rinsing of metal parts provided by its main customers. <br />These steps utilize an Eco -Friendly High -Efficient Conversion Coating which provides corrosion <br />resistance & excellent adhesion for Electric Vehicles. The current list of hazardous wastes generated at <br />the facility is provided in Exhibit 1 below. The two main areas in the plant are (1) clean, coat & rinse <br />process line and (2) waste treatment. <br />Customer parts are cleaned in alkaline cleaner solutions, coated (anodized) and dried. The parts are <br />transferred to successive tanks containing either the process solution or rinsewater. The wastes are spent <br />processing solutions, relatively concentrated rinsewater and dilute rinsewater. Customer parts are dried, <br />inspected and packaged for return shipment. <br />The spent plating solutions from process tanks: <br />• Tank #2 — Degrease Dip, <br />• Tank #5 — Deoxidize Bath, <br />• Tank #8 — Gardobond Bath <br />are emptied into waste totes and / or drums, and properly disposed of utilizing certified hazardous <br />waste transporter(s) to a certified Designated Facility. <br />The rinsewater from the following Rinse Tanks: <br />• Tank #3 — Rinse <br />• Tank #4 — Rinse <br />• Tank #6 — Rinse <br />• Tank #7 — Rinse <br />• Tank #9 — Rinse <br />• Tank #10 — Rinse <br />• Tank #11 — Rinse <br />Are consolidated into MFS facility's Waste Tanks (Acid or Alkaline) and treated into a series of waste <br />neutralizing tanks. The discharge from the treatment is monitored according the provisions in MFS's — <br />City of Stockton issued Wastewater Discharge Permit (dated October 1, 2018, expiration April 30, <br />2023). <br />1325 EI Pinal Drive Stockton, CA 95205 Tel (209) 798-9328 <br />