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Central Valley Regional Water Quality Control Board <br />6 October 2023 <br />Ben Wade Via e-mail <br />Area Environmental <br />Manager Forward Landfill <br />9999 South Austin Road <br />Manteca, CA 95336 <br /> <br /> <br />NOTIFICATION OF RELEASE, FORWARD INC. AND REPUBLIC SERVICES, FORWARD <br />LANDFILL, SAN JOAQUIN COUNTY <br /> <br />Forward Inc., a subsidiary of Republic Services (Discharger) owns and operates the Forward <br />Landfill in San Joaquin County. Waste disposal operations, landfill closure, implementation of <br />corrective actions and groundwater remediation at the Forward Landfill is regulated by Waste <br />Discharge Requirements (WDRs) Order R5-2003-0080, R5-2014-0006 and Cleanup and <br />Abatement Order (CAO) R5-2017-0703. <br /> <br />On 29 September 2023, Forward Inc. notified Board staff (via-email) that several volatile organic <br />compounds (VOC’s) had been detected in groundwater samples collected in groundwater <br />monitoring well AMW-56 on 29 June 2023. Biweekly sampling of the well during July, August, <br />and September confirmed the presence of VOCs. The e-mail contained a tabulated list of VOCs <br />detected during the sampling events, see below. For comparison, the concentration limit for <br />volatile organic compounds in the WDRs is set at non-detect. Any concentration above the limit <br />is a violation of the WDRs. <br /> <br />The detections of multiple VOCs in the groundwater monitoring device indicates that there has <br />been a release from one or more of the waste management units at the Forward Landfill. The <br />failure to immediately notify the Regional Board verbally of the release and provide written <br />notification within 7 days is a violation of §20420 of Title-27. A separate Notice of Violation will <br />be issued to address the failure to properly notify the Central Valley Water Board of the release <br />as required by the WDRs. <br /> <br />AMW-56 Sampling results, reported by the Discharger on 29 September 2023 <br /> <br />Sample Date 1,1 DCA <br />ug/l <br />Cis-1,2- <br />DCE <br />ug/l <br />Trans-1,2 <br />DCE <br />ug/l <br />1,2 <br />Dichloropropane <br />ug/l <br />PCE <br />ug/l <br />TCE <br />ug/l <br />29 June 2023 1.7 1.5 0.17 J 0.26 J 2.2 2.7 <br />14 July 2023 1.4 7.0 <0.5 0.20 J 1.8 2.2 <br />28 July 2023 1.3 6.6 0.17 J 0.21 J 2.2 2.5 <br />11 Aug 2023 1.7 9.5 0.25 J 0.32 J 3.0 3.2 <br />25 Aug 2023 1.6 8.6 0.25 J 0.34 J 3.2 3.8 <br />11 Sept 2023 2.3 12 0.33 J 0.43 J 3.8 4.5