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UST SYSTEM REMOVAL REPORT <br />7-ELEVEN STORE NO. 17334, 4501 N. PERSHING AVENUE, STOCKTON, CA 95207 <br />Analytical Results <br />March 3, 2023 <br />v:\1858\active\185851132\05_report_deliv\deliverable\reports\2023_rpt_17334_ust.docx 4.2 <br /> <br /> sec-butylbenzene at a concentration of 7.65 µg/L; <br /> chlorodibromomethane at a concentration of 1.30 µg/L; <br /> chloroform at a concentration of 30.5 µg/L; <br /> 1,2,4-trimethylbenzene at a concentration of 942 µg/L; <br /> 1,3,5-trimethylbenzene at a concentration of 266 µg/L; and <br /> naphthalene at a concentration of 88.2 µg/L. <br />Lead was detected in the groundwater sample at a concentration of 14.6 µg/L. <br />TAME, TBA, DIPE, ETBE, MTBE, methanol, and 49 additional VOCs were not detected in groundwater sample TW-1 <br />above their respective LRLs. <br />Groundwater sample analytical results are summarized in Table 3. Complete laboratory results and chain-of-custody <br />documentation for the groundwater sample are included in Appendix C.