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ANALYTICAL CHEMISTS TEL: 831-724-5422 <br /> and FAX: 831-724-3188 <br /> BACTERIOLOGISTS <br /> www.controllabs.com <br /> SOIL CONTROL LAB <br /> 42 HANGAR WAY <br /> WATSONVILLE Account#: 5080347-1/1-saund <br /> CALIFORNIA <br /> 95076 Group: Aug25E#7 <br /> USA <br /> Reporting Date: September 12, 2025 <br /> Central Valley Compost (WM- Lathrop) <br /> 916 Frewert Road <br /> Lathrop, CA 95330 <br /> Attn: Abel Aceves <br /> Date Received: 26 Aug. 25 <br /> Sample Identification: 29, 30, 31, 32 <br /> Sample ID#: 5080347- 1/1 <br /> Nutrients Dry wt. As Rcvd. units Stability Indicator: <br /> Total Nitrogen: 1.9 1.4 % CO2 Evolution Respirometery <br /> Ammonia (NH4-N): 640 490 mg/kg mg CO2-C/9 OM/day 3.5 <br /> Nitrate (NO3-N): 13 9.6 mg/kg mg CO2-C/g TS/day 1.8 <br /> Org. Nitrogen (Org.-N): 1.8 1.4 % Stability Rating stable <br /> Phosphorus (as P205): 0.63 0.48 % <br /> Phosphorus (P): 2800 2100 mg/kg Maturity Indicator: Cucumber Bioassay <br /> Potassium (as K20): 1.2 0.87 % Compost:Vermiculite (v:v) 1:2 <br /> Potassium (K): 9600 7200 mg/kg Emergence (%) 100 <br /> Calcium (Ca): 2.1 1.6 % Seedling Vigor(%) 100 <br /> Magnesium (Mg): 0.49 0.37 % Description of Plants healthy <br /> Sulfate (SO4-S): 190 140 mg/kg <br /> Boron (Total B): 38 29 mg/kg Pathogens Results Units Rating <br /> Moisture: 0 24.2 % Fecal Coliform < 7.5 MPN/g pass <br /> Sodium (Na): 0.17 0.13 % Salmonella < 3 MPN/4g pass <br /> Chloride (Cl): 0.46 0.35 % Date Tested:26 Aug.25 <br /> pH Value: NA 7.64 unit <br /> Bulk Density: 25 33 Ib/cu ft Physical Contaminants' % by dry wt <br /> Carbonates (CaCO3): 18 14 lb/ton Total Plastic 0.13 <br /> Conductivity(EC5): 4.8 NA mmhos/cm Film Plastic < 0.1 <br /> Organic Matter: 53.2 40.3 % Glass 0.17 <br /> Organic Carbon: 30.0 22.0 % Metal < 0.1 <br /> Ash: 46.8 35.5 % Sharps ND <br /> C/N Ratio 16 16 ratio Total < 0.5 <br /> A Index 6 6 ratio <br /> Metals Dry wt. EPA Limit units Size Distribution <br /> Aluminum (Al): 7600 - mg/kg MM % by weight <br /> Arsenic (As): 3.1 41 mg/kg > 50 0.0 <br /> Cadmium (Cd): 0.98 39 mg/kg 25 to 50 0.0 <br /> Chromium (Cr): 32 - mg/kg 16 to 25 0.0 <br /> Cobalt(Co) 5.1 - mg/kg 9.5 to 16 0.0 <br /> Copper(Cu): 54 1500 mg/kg 6.3 to 9.5 3.3 <br /> Iron (Fe): 11000 - mg/kg 4.0 to 6.3 9.7 <br /> Lead (Pb): 53 300 mg/kg 2.0 to 4.0 17.6 <br /> Manganese (Mn): 290 - mg/kg j< 2.0 69.4 <br /> Mercury(Hg): < 1.0 17 mg/kg "Greater than 4mm in size (Sharps greater than 2mm) <br /> Molybdenum (Mo): 1.6 75 mg/kg <br /> Nickel (Ni): 21 420 mg/kg Analyst: Assaf Sadeh <br /> Selenium (Se): < 1.0 100 mg/kg <br /> Zinc (Zn): 160 2800 mg/kg <br /> "Sample was received and handled in accordance with TMECC procedures. <br />