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ANALYTICAL CHEMISTS TEL: 831-724-5422 <br /> and <br /> BACTERIOLOGISTS FAX: 831-724-3188 <br /> Approved by State of California www.controllabs.com <br /> SOIL CONTROL LAB <br /> 42 HANGAR WAY <br /> WATSONVILLE Account#: 3060576-1/1-10748 <br /> CALIFORNIA <br /> 95076 Group: Jun23D#50 <br /> USA Reporting Date: July 6, 2023 <br /> Central Valley Compost (WM- Lathrop) <br /> 916 Frewert Road <br /> Lathrop, CA 95330 <br /> Attn: Abel Aceves <br /> Date Received: 23 Jun. 23 <br /> Sample Identification: 13, 14, 15, 16 <br /> Sample ID#: 3060576- 1/1 <br /> Nutrients Dry wt. As Rcvd. units Stability Indicator: <br /> Total Nitrogen: 1.4 0.94 % CO2 Evolution Respirometery <br /> Ammonia (NH4-N): 130 90 mg/kg mg CO2-C/9 OM/day 1.4 <br /> Nitrate (NO3-N): 1.9 1.3 mg/kg mg CO2-C/g TS/day 0.65 <br /> Org. Nitrogen (Org.-N): 1.4 0.93 % Stability Rating very stable <br /> Phosphorus (as P205): 0.66 0.45 % <br /> Phosphorus (P): 2900 2000 mg/kg Maturity Indicator: Cucumber Bioassay <br /> Potassium (as K20): 0.79 0.54 % Compost:Vermiculite (v:v) 1:2 <br /> Potassium (K): 6600 4500 mg/kg Emergence (%) 100 <br /> Calcium (Ca): 2.5 1.7 % Seedling Vigor(%) 100 <br /> Magnesium (Mg): 0.52 0.35 % Description of Plants healthy <br /> Sulfate (SO4-S): 60 41 mg/kg <br /> Boron (Total B): 39 27 mg/kg Pathogens Results Units Rating <br /> Moisture: 0 31.5 % Fecal Coliform 6.6 MPN/g pass <br /> Sodium (Na): 0.14 0.096 % Salmonella < 3 MPN/4g pass <br /> Chloride (Cl): 0.20 0.14 % Date Tested:23 Jun.23 <br /> pH Value: NA 8.13 unit <br /> Bulk Density: 29 43 Ib/cu ft Physical Contaminants** % by dry wt <br /> Carbonates (CaCO3): 28 19 Ib/ton Total Plastic < 0.1 <br /> Conductivity(EC5): 2.1 NA mmhos/cm Film Plastic < 0.1 <br /> Organic Matter: 45.1 30.9 % Glass < 0.1 <br /> Organic Carbon: 25.0 17.0 % Metal < 0.1 <br /> Ash: 54.9 37.6 % Sharps ND <br /> C/N Ratio 18 18 ratio Total < 0.5 <br /> A Index 8 8 ratio <br /> Metals Dry wt. EPA Limit units Size Distribution <br /> Aluminum (Al): 5800 - mg/kg MM % by weight <br /> Arsenic (As): 2.8 41 mg/kg > 50 0.0 <br /> Cadmium (Cd): < 1.0 39 mg/kg 25 to 50 0.0 <br /> Chromium (Cr): 20 - mg/kg 16 to 25 0.0 <br /> Cobalt(Co) 5.2 - mg/kg 9.5 to 16 0.0 <br /> Copper(Cu): 56 1500 mg/kg 6.3 to 9.5 2.4 <br /> Iron (Fe): 11000 - mg/kg 4.0 to 6.3 6.8 <br /> Lead (Pb): 29 300 mg/kg 2.0 to 4.0 17.2 <br /> Manganese (Mn): 300 - mg/kg j< 2.0 73.7 <br /> Mercury(Hg): < 1.0 17 mg/kg **Greater than 4mm in size (Sharps greater than 2mm) <br /> Molybdenum (Mo): 0.95 75 mg/kg <br /> Nickel (Ni): 17 420 mg/kg Analyst: Assaf Sadeh <br /> Selenium (Se): < 1.0 100 mg/kg <br /> Zinc (Zn): 150 2800 mg/kg <br /> *Sample was received and handled in accordance with TMECC procedures. <br />