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<br />www.arcadis.com <br />Forward Landfill 3Q25 CAP Update <br />Arcadis U.S., Inc. <br />4119 Broad Street <br />Suite 210 <br />San Luis Obispo <br />California 93401 <br />Phone: 805 706 2805 <br />Fax: 805 782 9273 <br />www.arcadis.com <br /> <br /> <br /> <br />1/4 <br />Brendan Kenny <br />Engineering Geologist <br />Central Valley Regional Water Quality Control Board <br />11020 Sun Center Drive, Suite 200 <br />Rancho Cordova, California 95670 <br /> <br />Date: October 15, 2025 <br />Our Ref: 30274343 <br />Subject: Quarterly Corrective Action Program Update – Third Quarter 2025, <br />Forward Landfill, 9999 South Austin Road, Manteca, California <br /> <br /> <br />Dear Brendan, <br /> <br />On behalf of Forward, Inc. (Forward), Arcadis U.S., Inc. (Arcadis) has prepared this Quarterly Corrective Action <br />Program Update (Program Update) for the Forward Landfill (Site). This Program Update covers the third quarter <br />of 2025 (July 1 to September 30, 2025). This Program Update summarizes the information required in Task 9.a of <br />Cleanup and Abatement Order R5-2017-0703 (CAO), issued by the Central Valley Regional Water Quality <br />Control Board (Water Board) on April 10, 2017, as well as the Waste Discharge Requirements (WDRs) set forth in <br />Water Board Order No. R5-2024-0002 (Order). Order No. R5-2024-0002 was finalized on February 16, 2024, and <br />superseded Order No. R5-2014-0006. <br />The information provided in this Program Update has been compiled from data collected from multiple sources <br />(Forward personnel and their consultants), who are responsible for the operation and maintenance of the Site’s <br />groundwater extraction and treatment system (GWTS) and the facility's landfill gas collection and control system <br />(GCCS). <br />Violations of the CAO <br />CAO Task 9.a indicates that quarterly program updates shall include a description of any violations of the CAO <br />during each reporting period. During this reporting period, no violations of the CAO were issued. <br />The following violations were issued to Forward by the Water Board on August 15, 2023: <br /> Item 3(d): failure to implement interim corrective actions by the date specified in the CAO (November 1, <br />2017), <br /> Item 5 (c)(iii): failure to submit a compliant Feasibility Study on the date specified in the CAO (December <br />1, 2019), and <br /> Item 5(c)(iii): failure to restore beneficial uses of aquifer in the timeframe required by the CAO (July 1, <br />2023). <br />Forward is in the process of addressing these violations by implementing interim corrective actions to capture and <br />remediate the plume mass beneath the property north of the Site. <br /> <br />