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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> _ M c C a m p b e 11 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: 2507A84 <br /> Date Received: 07/16/2025 9:20 Extraction Method: SW3050 B <br /> Date Prepared: 07/18/2025 Analytical Method: SW6020 <br /> Project: 5070102-01;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 /> 17,18,19,20 2507A84-001A Solid 07/08/2025 08:30 ICP-MS5 180SMPL.d 321663 <br /> Analytes Result RL DF Date Analyzed <br /> Arsenic ND 5.3 1 07/21/2025 18:58 <br /> Cadmium ND 5.3 1 07/21/2025 18:58 <br /> Chromium 35 5.3 1 07/21/2025 18:58 <br /> Copper 44 5.3 1 07/21/2025 18:58 <br /> Lead 17 5.3 1 07/21/2025 18:58 <br /> Mercury ND 0.53 1 07/21/2025 18:58 <br /> Molybdenum ND 5.3 1 07/21/2025 18:58 <br /> Nickel 27 5.3 1 07/21/2025 18:58 <br /> Selenium ND 5.3 1 07/21/2025 18:58 <br /> Zinc 150 53 1 07/21/2025 18:58 <br /> Surrogates REC % Limits DF <br /> Terbium 109 70-130 1 07/21/2025 18:58 <br /> Anal st s : WV Analytical Comments: a14 <br /> CA ELAP 1644•ORELAP(NELAP)4033 <br /> Page 4 of 1 1 <br />