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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 />March 3, 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 : STK2532675-001 <br />Customer : 3016455 <br />Sampled On : February 24, 2025 <br />Sampled By : Isaac Salcedo <br />Received On : February 24, 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 169 0.1 %ASA10.2 02/26/2025:202133 SA1:7-2 02/26/2025:202892 <br />pH 7.70 --units ASA10.2 02/26/2025:202133 SA2:12.2 02/27/2025:202978 <br />Soil Salinity (ec)11.5 0.01 dS/m ASA10.2 02/26/2025:202133 WS 51.20 02/27/2025:202906 <br />SAR 7.3 0.1 --ASA10.2 02/26/2025:202133 02/28/2025:203127 <br />Limestone ND 0.1 %USDAH23A 02/26/2025:202131 USDAH23A 02/27/2025:202979 <br />Lime Requirement 0.00 0 Tons/AF ASA10.2 02/26/2025:202133 SA2:12.2 02/27/2025:202978 <br />Calcium, Soluble 8.20 0.12 meq/l ASA10.2 02/26/2025:202133 02/28/2025:203127 <br />Magnesium, Soluble 8.52 0.19 meq/l ASA10.2 02/26/2025:202133 02/28/2025:203127 <br />Sodium, Soluble 21.2 0.099 meq/l ASA10.2 02/26/2025:202133 02/28/2025:203127 <br />Potassium, Soluble 71.6 2.9 meq/L ASA10.2 02/26/2025:202133 02/28/2025:203127 <br />Chloride 67.6 0.01 meq/l ASA10.2 02/26/2025:202133 WS 51.40 02/27/2025:202913 <br />Sulfate 8.84 0.11 meq/l ASA10.2 02/26/2025:202133 02/28/2025:203127 <br />Nitrate Nitrogen 5.32 0.89 ppm SA2:9-3 02/26/2025:202135 4500NO3F 02/27/2025:202965 <br />Phosphorus 339 2 ppm USC:12.0 02/26/2025:202134 E365.3 02/26/2025:203026 <br />Boron 7.26 0.022 ppm ASA10.2 02/26/2025:202133 02/28/2025:203127 <br />Zinc 54.3 0.1 ppm SA2:19-3 02/26/2025:202136 02/27/2025:202963 <br />Manganese 120 0.1 ppm SA2:19-3 02/26/2025:202136 02/27/2025:202963 <br />Iron 92.1 0.2 ppm SA2:19-3 02/26/2025:202136 02/27/2025:202963 <br />Copper 2.52 0.1 ppm SA2:19-3 02/26/2025:202136 02/27/2025:202963 <br />CEC 68.3 0.01 meq/100g ASA10.2 02/26/2025:202133 SA2:12.2 02/27/2025:202978 <br />Exchangeable Calcium 25.5 0.098 meq/100g SA2:9-3 02/26/2025:202135 02/26/2025:202918 <br />Exchangeable Magnesium 18.0 0.16 meq/100g SA2:9-3 02/26/2025:202135 02/27/2025:202946 <br />Exchangeable Potassium 21.0 0.025 meq/100g SA2:9-3 02/26/2025:202135 02/27/2025:202946 <br />Exchangeable Sodium 3.84 0.086 meq/100g SA2:9-3 02/26/2025:202135 02/26/2025:202918 <br />Exchangeable Hydrogen ND 0.01 meq/100g ASA10.2 02/26/2025:202133 SA2:12.2 02/27/2025:202978 <br />ND=Non-Detected, PQL=Practical Quantitation Limit <br />BRW:EHB Reviewed and <br />Approved By Ben Waddell Digitally signed by Ben Waddell <br />Title: Director of Ag. Services <br />Date: 2025-03-03