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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> M c C a m p b e I l Analytical, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> "When Quality Counts" I <br /> http://www.mccampbell.com/E-mail:main@mccampbell.com <br /> Analytical Report <br /> Client: Trans Tech Consultants WorkOrder: 2510770 <br /> Date Received: 10/09/2025 14:00 Extraction Method: SW3550 B <br /> Date Prepared: 10/09/2025 Analytical Method: SW8015 B <br /> Project: 3439.01;LLNL B882-Disp Unit: mg/Kg <br /> Total Extractable Petroleum Hydrocarbons W/out SG Clean-Up <br /> Client ID Lab ID Matrix Date Collected Instrument Batch ID <br /> Disp-1A 2510770-001A Soil 10/09/202512:37 GC31A 10092556.D 327516 <br /> Anal es Result RL DF Date Analyzed <br /> TPH-Diesel(C10-C23) ND 2.0 1 10/10/2025 02:29 <br /> TPH-Motor Oil(C18-C36) ND 10 1 10/10/2025 02:29 <br /> Surrogates REC(%1 Limits DF <br /> C9 106 69-160 1 10/10/2025 02:29 <br /> Analyst(s): JNG <br /> CA ELAP 1644 •ORELAP(NELAP)4033 <br /> Page 6 of 17 <br />