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Geo-Logic <br /> ASSOCIATE <br /> Geologists,Hydrogeologists and Engineers <br /> July 10, 2017 <br /> JN: SO17.1030 <br /> Mr. Brendan Kenny <br /> Central Valley Regional Water Quality Control Board <br /> 11020 Sun Center Drive, Suite 200 <br /> Rancho Cordova, CA 95670-6114 <br /> GROUNDWATER TREATMENT FACILITY MONITORING REPORT <br /> SECOND QUARTER 2017 <br /> FORWARD LANDFILL <br /> SAN JOAQUIN, CALIFORNIA <br /> INTRODUCTION <br /> On behalf of Forward Inc. (Forward), Geo-Logic Associates (GLA) is submitting this <br /> summary report for the Forward Landfill groundwater treatment facility (GTF) to fulfill <br /> the requirements established by Waste Discharge Requirements (WDRs) Order No. R5- <br /> 2003-0080. <br /> The Forward Landfill is an active facility located at 9999 South Austin Road in Manteca, <br /> California. Following detection of volatile organic compounds (VOCs) in groundwater, a <br /> Corrective Action Program (CAP) was implemented at the site in 1994, which currently <br /> includes five groundwater extraction wells (EW-1, EW-2, EW-3, EW-3R, and EW-4) that <br /> pump groundwater through an air stripper treatment system to remove VOCs. Treated <br /> groundwater is discharged to an infiltration pond north of the Austin Road Unit of the <br /> Forward Landfill. Due to limited recharge in extraction well EW-3, the well was taken <br /> offline and replaced with extraction well EW-3R. To increase the volume of <br /> groundwater recovered in this area, well EW-3R was installed adjacent to and deeper <br /> than well EW-3. Included herein is a summary of the water quality monitoring results <br /> for the GTF at the Forward Landfill for the second quarter 2017. <br /> CAP MONITORING PROGRAM RESULTS <br /> Under WDR Order No. 115-2003-0080, effluent monitoring consists of monthly analysis <br /> of pH, specific conductance (EC), and VOCs; quarterly analysis for total dissolved solids <br /> (TDS); and annual analysis of 24 metals. In addition, influent is monitored semiannually <br /> for pH, EC, turbidity, and VOCs. Del-Tech Geotechnical Support Services (Del-Tech) <br /> performs the operation and maintenance (0&M) duties and performs bimonthly <br /> inspections for the Forward Landfill GTF. The results of the bimonthly inspections are <br /> 11415 W.Bernardo Court,Suite 200,San Diego,California• T 858.451.1136 • F 858.451.1087 • www.geo-logic.com <br />