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<br /> <br /> <br /> <br /> <br />9999 S. Austin Road <br />Manteca, CA 95336 <br />P: (209) 982-4298 <br />F: (209) 982-1009 <br /> <br />DOMESTIC WELL SAMPLING PROGRAM <br />FORWARD LANDFILL <br />SAN JOAQUIN COUNTY, CALIFORNIA <br /> <br />SUBMITTED TO: <br />Mr. Sukhwinder S. Johal <br />7898 S. Austin Road <br />Stockton, CA 95215 <br /> <br />SUBJECT: <br />Results of Well Monitoring <br /> <br />DATE: <br />October 31, 2023 <br /> <br />INTRODUCTION <br /> <br />Arcadis U.S. Inc (AUS) prepared this letter report on behalf of Forward Incorporated (Forward) to <br />summarize water quality monitoring results for samples collected from the well used to supply <br />groundwater for the property located at 7898 S. Austin Road, Stockton, CA 95215 (Figure 1). The <br />samples were collected as part of the domestic well sampling program being performed under the <br />direction of the Central Valley Regional Water Quality Control Board (CVRWQCB) of the State Water <br />Resources Control Board to better understand the groundwater quality in the area and help <br />evaluate the progress of an on-going groundwater investigation for the Forward Landfill. <br /> <br />As you may know, Forward acquired the City of Stockton’s landfill in 2000. As a condition of that <br />acquisition, Forward agreed to address existing and potential future groundwater contamination <br />caused by the City’s landfill operations, which go back to 1954. Since that acquisition, Forward has <br />been working cooperatively with the CVRWQCB to conduct groundwater investigations and to <br />control and reduce identified volatile organic compounds associated with the landfill. Together, <br />Forward and the CVRWQCB continue to proactively monitor and sample groundwater wells at <br />several residential properties located near the landfill. <br /> <br />SAMPLING AND ANALYSIS <br /> <br />On September 13, 2023, a representative of Forward visited the property at the address identified <br />above and received permission from you to participate in the domestic well sampling program. After <br />receiving permission, a groundwater sample was collected from a hose bib adjacent to the well in the <br />back yard. The well sampling data sheet and laboratory report are attached. <br /> <br />Approximately 80 gallons of water was discharged from the sample point prior to collecting the <br />groundwater sample. Before collecting the sample, the temperature, pH, and conductivity of the <br />groundwater were measured and recorded on the well sampling data sheet. After these parameters <br />were measured, a sample was collected for laboratory analysis to test whether volatile organic