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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: 2606935 <br /> Date Received: 06/11/2026 9:44 Extraction Method: SW3050 B <br /> Date Prepared: 06/16/2026 Analytical Method: SW6020B <br /> Project: 6060062-01;Earthcare of Marin(RWO 25053) Unit: mg/kg-dry <br /> Metals <br /> Client ID Lab ID Matrix Date Collected Instrument FileID Batch ID <br /> WM Earthcare Homegrown Compost 2606935-001A Solid 06/03/2026 09:39 ICP-MS5 238SMPL.d 343916 <br /> Anal es Result RL DF Date Analyzed <br /> Arsenic ND 5.12 1 06/16/2026 18:54 <br /> Cadmium ND 5.12 1 06/16/2026 18:54 <br /> Chromium 41.0 5.12 1 06/16/2026 18:54 <br /> Copper 68.5 5.12 1 06/16/2026 18:54 <br /> Lead 29.3 5.12 1 06/16/2026 18:54 <br /> Mercury ND 0.512 1 06/16/2026 18:54 <br /> Molybdenum ND 5.12 1 06/16/2026 18:54 <br /> Nickel 40.4 5.12 1 06/16/2026 18:54 <br /> Selenium ND 5.12 1 06/16/2026 18:54 <br /> Zinc 220 51.2 1 06/16/2026 18:54 <br /> Surrogates REC % Limits DF <br /> Terbium 101 70-130 1 06/16/2026 18:54 <br /> Anal st s : MJA Analytical Comments: a14 <br /> CA ELAP 1644•ORELAP(NELAP)4033 <br /> Page 4 of 1 1 <br />