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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 <br /> <br />HeaderPortraitAG <br />June 10, 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 ID : STK2537703-001 <br />Customer : 3016455 <br />Sampled On : May 28, 2025 <br />Sampled By : Isaac Salcedo <br />Received On : May 28, 2025 <br />Matrix : Compost <br /> <br />Sample Results - Ag <br />Constituent Results PQL Units Note Sample Preparation Sample Analysis <br />Soil Method Date/ID Method Date/ID <br />Saturation 279 0.11 %ASA10.2 06/02/2025:205950 SA1:7-2 06/02/2025:207955 <br />pH 7.44 --units ASA10.2 06/02/2025:205950 SA2:12.2 06/03/2025:208057 <br />Soil Salinity (ec)5.54 0.01 dS/m ASA10.2 06/02/2025:205950 WS 51.20 06/03/2025:208004 <br />SAR 4.1 0.1 --ASA10.2 06/02/2025:205950 06/03/2025:208166 <br />Limestone 2.08 0.1 %USDAH23B 06/05/2025:206140 USDAH23B 06/05/2025:208233 <br />Lime Requirement 0.00 0 Tons/AF ASA10.2 06/02/2025:205950 SA2:12.2 06/03/2025:208057 <br />Calcium, Soluble 9.06 2.7 meq/l ASA10.2 06/02/2025:205950 06/03/2025:208166 <br />Magnesium, Soluble 7.78 4.5 meq/l ASA10.2 06/02/2025:205950 06/03/2025:208166 <br />Sodium, Soluble 12.0 2.4 meq/l ASA10.2 06/02/2025:205950 06/03/2025:208166 <br />Potassium, Soluble 34.9 0.68 meq/L ASA10.2 06/02/2025:205950 06/03/2025:208166 <br />Chloride 27.6 0.01 meq/l ASA10.2 06/02/2025:205950 WS 51.40 06/03/2025:208009 <br />Sulfate 6.30 2.8 meq/l ASA10.2 06/02/2025:205950 06/03/2025:208166 <br />Nitrate Nitrogen 4.84 0.9 ppm SA2:9-3 06/02/2025:205952 4500NO3F 06/03/2025:208052 <br />Phosphorus 263 7.9 ppm USC:12.0 06/02/2025:205951 E365.3 06/03/2025:208062 <br />Boron 9.57 0.53 ppm ASA10.2 06/02/2025:205950 06/03/2025:208166 <br />Zinc 38.5 0.1 ppm SA2:19-3 06/02/2025:205953 06/03/2025:208093 <br />Manganese 95.1 0.1 ppm SA2:19-3 06/02/2025:205953 06/03/2025:208093 <br />Iron 62.6 0.2 ppm SA2:19-3 06/02/2025:205953 06/03/2025:208093 <br />Copper 2.41 0.1 ppm SA2:19-3 06/02/2025:205953 06/03/2025:208093 <br />CEC 48.7 0.01 meq/100g ASA10.2 06/02/2025:205950 SA2:12.2 06/03/2025:208057 <br />Exchangeable Calcium 22.0 0.12 meq/100g SA2:9-3 06/02/2025:205952 06/02/2025:207986 <br />Exchangeable Magnesium 12.4 0.2 meq/100g SA2:9-3 06/02/2025:205952 06/02/2025:207986 <br />Exchangeable Potassium 13.4 0.031 meq/100g SA2:9-3 06/02/2025:205952 06/02/2025:207986 <br />Exchangeable Sodium 0.91 0.11 meq/100g SA2:9-3 06/02/2025:205952 06/02/2025:207986 <br />Exchangeable Hydrogen ND 0.01 meq/100g ASA10.2 06/02/2025:205950 SA2:12.2 06/03/2025:208057 <br />ND=Non-Detected, PQL=Practical Quantitation Limit <br />BRW:KEH Reviewed and <br />Approved By Ben Waddell Digitally signed by Ben Waddell <br />Title: Director of Ag. Services <br />Date: 2025-06-10