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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> M C C a m p b e i l Analytical, I n C• Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> "When Quality Counts" http://www.mccampbell.com/E-mail:main@mccampbell.com <br /> Analytical Report <br /> Client: AdvancedGeo,Inc. WorkOrder: 2508906 <br /> Date Received: 08/14/2025 13:20 Extraction Method: E524.3 <br /> Date Prepared: 08/16/2025 Analytical Method: E524.3 <br /> Project: James Lee Property Unit: µg/L <br /> EDB and/or DBCP <br /> Client ID Lab ID Matrix Date Collected Instrument Batch ID <br /> DW-1 2508906-001 B Water 08/13/2025 09:01 GC54 08152525.D 323839 <br /> Analytes Result RL DF Date Analyzed <br /> 1,2-Dibromo-3-chloropropane ND 0.010 1 08/16/2025 06:44 <br /> Surrogates REC(%) Limits DF <br /> 4-BFB 97 70-130 1 08/16/2025 06:44 <br /> 1,2-dichlorobenzene-d4 102 70-130 1 08/16/2025 06:44 <br /> Analyst(s): EVA <br /> CA ELAP 1644 <br /> Page 5 of 12 <br />