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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#: 5060123-1/1-saund <br /> CALIFORNIA <br /> 9M76 Group: Jun25B#12 <br /> USA Reporting Date: June 26, 2025 <br /> Central Valley Compost (WM- Lathrop) <br /> 916 Frewert Road <br /> Lathrop, CA 95330 <br /> Attn: Abel Aceves <br /> Date Received: 10 Jun. 25 <br /> Sample Identification: 9, 10, 11, 12 <br /> Sample ID#: 5060123- 1/1 <br /> Nutrients Dry wt. As Rcvd. units Stability Indicator: <br /> Total Nitrogen: 1.6 1.2 % CO2 Evolution Respirometery <br /> Ammonia (NH4-N): 270 210 mg/kg mg CO2-C/9 OM/day 5.5 <br /> Nitrate (NO3-N): 9.2 7.2 mg/kg mg CO2-C/g TS/day 2.7 <br /> Org. Nitrogen (Org.-N): 1.6 1.2 % Stability Rating moderately unstable <br /> Phosphorus (as P205): 0.63 0.49 % <br /> Phosphorus (P): 2800 2200 mg/kg Maturity Indicator: Cucumber Bioassay <br /> Potassium (as K20): 0.84 0.66 % Compost:Vermiculite (v:v) 1:2 <br /> Potassium (K): 7000 5500 mg/kg Emergence (%) 100 <br /> Calcium (Ca): 2.5 1.9 % Seedling Vigor(%) 100 <br /> Magnesium (Mg): 0.48 0.37 % Description of Plants healthy <br /> Sulfate (SO4-S): 180 140 mg/kg <br /> Boron (Total B): 38 30 mg/kg Pathogens Results Units Rating <br /> Moisture: 0 21.5 % Fecal Coliform < 7.5 MPN/g pass <br /> Sodium (Na): 0.13 0.10 % Salmonella < 3 MPN/4g pass <br /> Chloride (Cl): 0.22 0.17 % Date Tested: 10 Jun.25 <br /> pH Value: NA 6.81 unit <br /> Bulk Density: 24 30 Ib/cu ft Physical Contaminants' % by dry wt <br /> Carbonates (CaCO3): 8.2 6.5 lb/ton Total Plastic < 0.1 <br /> Conductivity(EC5): 3.1 NA mmhos/cm Film Plastic < 0.1 <br /> Organic Matter: 49.5 38.9 % Glass < 0.1 <br /> Organic Carbon: 27.0 21.0 % Metal < 0.1 <br /> Ash: 50.5 39.7 % Sharps ND <br /> C/N Ratio 17 17 ratio Total < 0.5 <br /> A Index 9 9 ratio <br /> Metals Dry wt. EPA Limit units Size Distribution <br /> Aluminum (Al): 6800 - mg/kg MM % by weight <br /> Arsenic (As): 2.6 41 mg/kg > 50 0.0 <br /> Cadmium (Cd): < 1.0 39 mg/kg 25 to 50 0.0 <br /> Chromium (Cr): 30 - mg/kg 16 to 25 0.0 <br /> Cobalt(Co) 5.4 - mg/kg 9.5 to 16 0.0 <br /> Copper(Cu): 46 1500 mg/kg 6.3 to 9.5 0.6 <br /> Iron (Fe): 11000 - mg/kg 4.0 to 6.3 4.7 <br /> Lead (Pb): 37 300 mg/kg 2.0 to 4.0 16.7 <br /> Manganese (Mn): 270 - mg/kg j< 2.0 78.0 <br /> Mercury(Hg): < 1.0 17 mg/kg **Greater than 4mm in size (Sharps greater than 2mm) <br /> Molybdenum (Mo): 1.4 75 mg/kg <br /> Nickel (Ni): 20 420 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 />