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Section: Sample Results <br />This Page is to be Stamped <br />June 13, 2025 <br />Tracy Material Recovery & Solid Waste Tr <br />PO BOX 93 <br />Tracy CA 95378 <br />Description : Compost Material <br />Project : Compost Monitoring <br />Lab No.: STK2537703-001 <br />Customer No.: 3016455 <br />Sampled On : May 28, 2025 at 13:45 <br />Sampled By : Isaac Salcedo <br />Received On : May 28, 2025 at 14:45 <br />Matrix : Compost <br />Sample Results - Inorganic(Dry Weight) <br />Constituent Result RL MDL Units Dil.DQF Sample Preparation Sample Analysis <br />Metals, Total Date Time Who Method Date Time Who <br />Arsenic ND 4.9 1.6 mg/kg 1 U 06/11/2025 14:00 ac EPA 6010 B 06/12/2025 23:32 ac <br />Cadmium 0.211 0.37 0.066 mg/kg 1 J 06/11/2025 14:00 ac EPA 6010 B 06/12/2025 23:32 ac <br />Chromium 10.7 0.61 0.082 mg/kg 1 06/11/2025 14:00 ac EPA 6010 B 06/12/2025 23:32 ac <br />Copper 32.1 0.61 0.22 mg/kg 1 h 06/11/2025 14:00 ac EPA 6010 B 06/12/2025 23:32 ac <br />Lead 8.10 1.2 0.71 mg/kg 1 06/11/2025 14:00 ac EPA 6010 B 06/12/2025 23:32 ac <br />Molybdenum 0.645 0.37 0.15 mg/kg 1 06/11/2025 14:00 ac EPA 6010 B 06/12/2025 23:32 ac <br />Nickel 13.3 0.61 0.50 mg/kg 1 06/11/2025 14:00 ac EPA 6010 B 06/12/2025 23:32 ac <br />Selenium 0.872 0.37 0.49 mg/kg 1 06/11/2025 14:00 ac EPA 6010 B 06/12/2025 23:32 ac <br />Zinc 101 0.61 0.13 mg/kg 1 h 06/11/2025 14:00 ac EPA 6010 B 06/12/2025 23:32 ac <br />Wet Chemistry <br />% Moisture 18.3 0.1 %1 06/02/2025 15:07 amm 2540G 06/03/2025 14:11 amm <br />DQF Flags Definition: <br /> U Constituent results were non-detect. <br /> J Reported value is estimated; detected at a concentration below the RL and above the laboratory MDL. <br /> h The MS/MSD did not meet QC criteria. <br />ND=Non-Detected, RL=Reporting Level <br />Corporate Offices & Laboratory <br />853 Corporation Street <br />Santa Paula, CA 93060 <br />TEL: (805)392-2000 <br />CA ELAP Certification No. 1573 <br />Office & Laboratory <br />2500 Stagecoach Road <br />Stockton, CA 95215 <br />TEL: (209)942-0182 <br />CA ELAP Certification No. 1563 <br />Office & Laboratory <br />563 E. Lindo Avenue <br />Chico, CA 95926 <br />TEL: (530)343-5818 <br />CA ELAP Certification No. 2670 <br />Office & Laboratory <br />9411 W. Goshen Avenue <br />Visalia, CA 93291 <br />TEL: (559)734-9473 <br />CA ELAP Certification No. 2810 <br />Office & Laboratory <br />3442 Empresa Drive, Suite D <br />San Luis Obispo, CA 93401 <br />TEL: (805)783-2940 <br />CA ELAP Certification No. 2775 <br />ENVIRONMENTAL AGRICULTURAL <br />Analytical Chemists