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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#: 5050062-1/1-10748 <br /> CALIFORNIA <br /> 9M76 Group: May25B#22 <br /> USA <br /> Reporting Date: May 23, 2025 <br /> Central Valley Compost (WM- Lathrop) <br /> 916 Frewert Road <br /> Lathrop, CA 95330 <br /> Attn: Abel Aceves <br /> Date Received: 06 May. 25 <br /> Sample Identification: 25, 26, 27, 28 <br /> Sample ID#: 5050062- 1/1 <br /> Nutrients Dry wt. As Rcvd. units Stability Indicator: <br /> Total Nitrogen: 1.5 1.1 % CO2 Evolution Respirometery <br /> Ammonia (NH4-N): 100 79 mg/kg mg CO2-C/9 OM/day 3.8 <br /> Nitrate (NO3-N): < 1.0 < 0.8 mg/kg mg CO2-C/g TS/day 1.7 <br /> Org. Nitrogen (Org.-N): 1.5 1.1 % Stability Rating stable <br /> Phosphorus (as P205): 0.63 0.48 % <br /> Phosphorus (P): 2700 2100 mg/kg Maturity Indicator: Cucumber Bioassay <br /> Potassium (as K20): 0.89 0.68 % Compost:Vermiculite (v:v) 1:2 <br /> Potassium (K): 7400 5700 mg/kg Emergence (%) 100 <br /> Calcium (Ca): 2.5 1.9 % Seedling Vigor(%) 100 <br /> Magnesium (Mg): 0.52 0.40 % Description of Plants healthy <br /> Sulfate (SO4-S): 91 70 mg/kg <br /> Boron (Total B): 44 34 mg/kg Pathogens Results Units Rating <br /> Moisture: 0 23.1 % Fecal Coliform 240 MPN/g pass <br /> Sodium (Na): 0.15 0.12 % Salmonella < 3 MPN/4g pass <br /> Chloride (Cl): 0.28 0.21 % Date Tested:06 May.25 <br /> pH Value: NA 7.39 unit <br /> Bulk Density: 23 30 Ib/cu ft Physical Contaminants' % by dry wt <br /> Carbonates (CaCO3): 12 9.0 lb/ton Total Plastic < 0.1 <br /> Conductivity(EC5): 2.9 NA mmhos/cm Film Plastic < 0.1 <br /> Organic Matter: 46.0 35.4 % Glass < 0.1 <br /> Organic Carbon: 25.0 19.0 % Metal < 0.1 <br /> Ash: 54.0 41.6 % Sharps ND <br /> C/N Ratio 17 17 ratio Total < 0.5 <br /> A Index 7 7 ratio <br /> Metals Dry wt. EPA Limit units Size Distribution <br /> Aluminum (Al): 7100 - mg/kg MM % by weight <br /> Arsenic (As): 3.0 41 mg/kg > 50 0.0 <br /> Cadmium (Cd): < 1.0 39 mg/kg 25 to 50 0.0 <br /> Chromium (Cr): 26 - mg/kg 16 to 25 0.0 <br /> Cobalt(Co) 5.6 - mg/kg 9.5 to 16 0.0 <br /> Copper(Cu): 61 1500 mg/kg 6.3 to 9.5 1.5 <br /> Iron (Fe): 12000 - mg/kg 4.0 to 6.3 5.3 <br /> Lead (Pb): 44 300 mg/kg 2.0 to 4.0 12.1 <br /> Manganese (Mn): 300 - mg/kg j< 2.0 81.2 <br /> Mercury(Hg): < 1.0 17 mg/kg **Greater than 4mm in size (Sharps greater than 2mm) <br /> Molybdenum (Mo): 1.0 75 mg/kg <br /> Nickel (Ni): 25 420 mg/kg Analyst: Assaf Sadeh <br /> Selenium (Se): < 1.0 100 mg/kg <br /> Zinc (Zn): 210 2800 mg/kg <br /> *Sample was received and handled in accordance with TMECC procedures. <br />