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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" http://www.mccampbell.com/E-mail:main@mccampbell.com <br /> Analytical Report <br /> Client: Soil Control Lab WorkOrder: 2508406 <br /> Date Received: 08/06/2025 7:42 Extraction Method: SW3050 B <br /> Date Prepared: 08/08/2025 Analytical Method: SW6020 <br /> Project: 5070417-01; Central Valley Compost(WM- Unit: mg/kg-dry <br /> Lathrop)(Altamont) <br /> Metals <br /> Client ID Lab ID Matrix Date Collected Instrument Batch ID <br /> 21,22,23,24 2508406-001A Solid 07/28/2025 07:30 ICP-MS6 108SMPL.d 323199 <br /> Analytes Result RL DF Date Analyzed <br /> Arsenic ND 5.2 1 08/11/2025 10:39 <br /> Cadmium ND 5.2 1 08/11/2025 10:39 <br /> Chromium 25 5.2 1 08/11/2025 10:39 <br /> Copper 64 5.2 1 08/11/2025 10:39 <br /> Lead 28 5.2 1 08/11/2025 10:39 <br /> Mercury ND 0.52 1 08/11/2025 10:39 <br /> Molybdenum ND 5.2 1 08/11/2025 10:39 <br /> Nickel 25 5.2 1 08/11/2025 10:39 <br /> Selenium ND 5.2 1 08/11/2025 10:39 <br /> Zinc 240 52 1 08/11/2025 10:39 <br /> Surrogates REC(%) Limits DF <br /> Terbium 110 70-130 1 08/11/2025 10:39 <br /> Anal st s : AL Analytical Comments: a14 <br /> CA ELAP 1644 •ORELAP(NELAP)4033 <br /> Page 4 of 11 <br />