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ANALYTICAL CHEMISTS TEL: 831-724-5422 <br /> and <br /> BACTERIOLOGISTS FAX: 831-724-3188 <br /> Approved by Slate of Califomia www.controllabs.com <br /> SOIL CONTROL LAB <br /> 42 HANGAR WAY <br /> WATSONVILLE Account#: 50415-1/3-10748 <br /> CALIFORNIA5Group: May20C#54 <br /> USA Reporting Date: May 29, 2020 <br /> Central Valley Compost (WM- Lathrop) <br /> 916 Frewert Road <br /> Lathrop, CA 95330 <br /> Attn: James Dutra <br /> Date Received: 15 May. 20 <br /> Sample Identification: SP-17/18/19 <br /> Sample ID#: 50415 - 1/3 <br /> Nutrients Dry wt. As Rcvd. units Stability Indicator: <br /> Total Nitrogen: 1.3 0.99 % CO2 Evolution Respirometery <br /> Ammonia (NH4-N): 300 230 mg/kg mg CO2-C/9 OM/day 4.5 <br /> Nitrate (NO3-N): 6.5 4.9 mg/kg mg CO2-C/g TS/day 2.0 <br /> Org. Nitrogen (Org.-N): 1.3 0.98 % Stability Rating moderately unstable <br /> Phosphorus (as P2O5): 0.71 0.54 % <br /> Phosphorus (P): 3100 2400 mg/kg Maturity Indicator: Cucumber Bioassay <br /> Potassium (as K2O): 1.1 0.82 % Compost:Vermiculite (v:v) 1:2 <br /> Potassium (K): 9000 6800 mg/kg Emergence (%) 93 <br /> Calcium (Ca): 2.7 2.0 % Seedling Vigor(%) 100 <br /> Magnesium (Mg): 0.56 0.42 % Description of Plants healthy <br /> Sulfate (SO4-S): 260 190 mg/kg <br /> Boron (Total B): 43 32 mg/kg Pathogens Results Units Rating <br /> Moisture: 0 24.4 % Fecal Coliform < 7.5 MPN/g pass <br /> Sodium (Na): 0.13 0.099 % Salmonella < 3 MPN/4g pass <br /> Chloride (Cl): 0.26 0.20 % Date Tested: 15 May.20 <br /> pH Value: NA 6.87 unit <br /> Bulk Density : 28 37 Ib/cu ft Physical Contaminants' % by dry wt <br /> Carbonates (CaCO3): 2.2 1.6 Ib/ton Total Plastic < 0.1 <br /> Conductivity (EC5): 4.3 NA mmhos/cm Film Plastic < 0.1 <br /> Organic Matter: 45.7 34.6 % Glass < 0.1 <br /> Organic Carbon: 22.0 17.0 % Metal < 0.1 <br /> Ash: 54.3 41.1 % Sharps ND <br /> C/N Ratio 17 17 ratio Total < 0.5 <br /> A Index 8 8 ratio <br /> Metals Dry wt. EPA Limit units Size Distribution <br /> Aluminum (Al): 7000 - mg/kg MM % by weight <br /> Arsenic (As): 2.1 41 mg/kg > 50 0.0 <br /> Cadmium (Cd): < 1.0 39 mg/kg 25 to 50 0.0 <br /> Chromium (Cr): 17 - mg/kg 16 to 25 0.0 <br /> Cobalt (Co) 3.3 - mg/kg 9.5 to 16 0.0 <br /> Copper(Cu): 52 1500 mg/kg 6.3 to 9.5 1.5 <br /> Iron (Fe): 12000 - mg/kg 4.0 to 6.3 4.3 <br /> Lead (Pb): 28 300 mg/kg 2.0 to 4.0 10.3 <br /> Manganese (Mn): 210 - mg/kg j< 2.0 84.0 <br /> Mercury (Hg): < 1.0 17 mg/kg **Greater than 4mm in size (Sharps greater than 2mm) <br /> Molybdenum (Mo): 1.2 75 mg/kg <br /> Nickel (Ni): 13 420 mg/kg Analyst: Assaf Sadeh <br /> Selenium (Se): < 1.0 100 mg/kgs <br /> Zinc (Zn): 150 2800 mg/kg <br /> *Sample was received and handled in accordance with TMECC procedures. <br />