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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#: 50415-2/3-10748 <br /> CALIFORNIA <br /> Group: May20C#55 <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-20/21/22/23/24 <br /> Sample ID#: 50415 -2/3 <br /> Nutrients Dry wt. As Rcvd. units Stability Indicator: <br /> Total Nitrogen: 1.2 0.86 % CO2 Evolution Respirometery <br /> Ammonia (NH4-N): 520 370 mg/kg mg CO2-C/9 OM/day 6.6 <br /> Nitrate (NO3-N): 7.9 5.6 mg/kg mg CO2-C/g TS/day 3.3 <br /> Org. Nitrogen (Org.-N): 1.1 0.78 % Stability Rating moderately unstable <br /> Phosphorus (as P2O5): 0.55 0.39 % <br /> Phosphorus (P): 2400 1700 mg/kg Maturity Indicator: Cucumber Bioassay <br /> Potassium (as K2O): 0.84 0.60 % Compost:Vermiculite (v:v) 1:2 <br /> Potassium (K): 7000 5000 mg/kg Emergence (%) 87 <br /> Calcium (Ca): 2.2 1.6 % Seedling Vigor(%) 100 <br /> Magnesium (Mg): 0.44 0.31 % Description of Plants fungus <br /> Sulfate (SO4-S): 240 170 mg/kg <br /> Boron (Total B): 48 34 mg/kg Pathogens Results Units Rating <br /> Moisture: 0 28.9 % Fecal Coliform < 7.5 MPN/g pass <br /> Sodium (Na): 0.12 0.083 % Salmonella < 3 MPN/4g pass <br /> Chloride (Cl): 0.20 0.14 % Date Tested: 15 May.20 <br /> pH Value: NA 5.91 unit <br /> Bulk Density : 24 33 Ib/cu ft Physical Contaminants' % by dry wt <br /> Carbonates (CaCO3): 2.2 1.6 Ib/ton Total Plastic < 0.1 <br /> Conductivity (EC5): 5.2 NA mmhos/cm Film Plastic < 0.1 <br /> Organic Matter: 50.2 35.7 % Glass 0.15 <br /> Organic Carbon: 24.0 17.0 % Metal < 0.1 <br /> Ash: 49.8 35.4 % Sharps ND <br /> C/N Ratio 20 20 ratio Total < 0.5 <br /> A Index 8 8 ratio <br /> Metals Dry wt. EPA Limit units Size Distribution <br /> Aluminum (Al): 4500 - 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): 20 - mg/kg 16 to 25 0.0 <br /> Cobalt (Co) 2.9 - mg/kg 9.5 to 16 0.0 <br /> Copper(Cu): 44 1500 mg/kg 6.3 to 9.5 1.7 <br /> Iron (Fe): 9200 - mg/kg 4.0 to 6.3 5.1 <br /> Lead (Pb): 21 300 mg/kg 2.0 to 4.0 12.9 <br /> Manganese (Mn): 200 - mg/kg j< 2.0 80.3 <br /> Mercury (Hg): < 1.0 17 mg/kg **Greater than 4mm in size (Sharps greater than 2mm) <br /> Molybdenum (Mo): 0.94 75 mg/kg <br /> Nickel (Ni): 13 420 mg/kg Analyst: Assaf Sadeh <br /> Selenium (Se): < 1.0 100 mg/kgs <br /> Zinc (Zn): 130 2800 mg/kg <br /> *Sample was received and handled in accordance with TMECC procedures. <br />