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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#: 50415-3/3-10748 <br /> CALIFORNIA5Group: May20C#56 <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-A/B-RETEST <br /> Sample ID#: 50415 - 3/3 <br /> Nutrients Dry wt. As Rcvd. units Stability Indicator: <br /> Total Nitrogen: 1.5 1.1 % CO2 Evolution Respirometery <br /> Ammonia (NH4-N): 210 160 mg/kg mg CO2-C/9 OM/day 2.4 <br /> Nitrate (NO3-N): 3.1 2.3 mg/kg mg CO2-C/g TS/day 1.0 <br /> Org. Nitrogen (Org.-N): 1.5 1.1 % Stability Rating stable <br /> Phosphorus (as P2O5): 0.72 0.54 % <br /> Phosphorus (P): 3200 2400 mg/kg Maturity Indicator: Cucumber Bioassay <br /> Potassium (as K2O): 1.2 0.87 % Compost:Vermiculite (v:v) 1:2 <br /> Potassium (K): 9700 7200 mg/kg Emergence (%) 80 <br /> Calcium (Ca): 2.7 2.0 % Seedling Vigor(%) 100 <br /> Magnesium (Mg): 0.55 0.41 % Description of Plants healthy <br /> Sulfate (SO4-S): 48 36 mg/kg <br /> Boron (Total B): 45 33 mg/kg Pathogens Results Units Rating <br /> Moisture: 0 25.4 % Fecal Coliform < 7.5 MPN/g pass <br /> Sodium (Na): 0.16 0.12 % Salmonella < 3 MPN/4g pass <br /> Chloride (Cl): 0.37 0.28 % Date Tested: 15 May.20 <br /> pH Value: NA 8.29 unit <br /> Bulk Density : 34 45 Ib/cu ft Physical Contaminants' % by dry wt <br /> Carbonates (CaCO3): 13 10 Ib/ton Total Plastic < 0.1 <br /> Conductivity (EC5): 4.3 NA mmhos/cm Film Plastic < 0.1 <br /> Organic Matter: 41.2 30.8 % Glass 0.19 <br /> Organic Carbon: 21.0 16.0 % Metal < 0.1 <br /> Ash: 58.8 43.9 % Sharps ND <br /> C/N Ratio 14 14 ratio Total < 0.5 <br /> A Index 6 6 ratio <br /> Metals Dry wt. EPA Limit units Size Distribution <br /> Aluminum (Al): 6300 - mg/kg MM % by weight <br /> Arsenic (As): 2.5 41 mg/kg > 50 0.0 <br /> Cadmium (Cd): 0.97 39 mg/kg 25 to 50 0.0 <br /> Chromium (Cr): 23 - mg/kg 16 to 25 0.0 <br /> Cobalt (Co) 4.0 - mg/kg 9.5 to 16 0.0 <br /> Copper(Cu): 960 1500 mg/kg 6.3 to 9.5 1.2 <br /> Iron (Fe): 11000 - mg/kg 4.0 to 6.3 4.3 <br /> Lead (Pb): 48 300 mg/kg 2.0 to 4.0 10.3 <br /> Manganese (Mn): 250 - mg/kg j< 2.0 84.2 <br /> Mercury (Hg): < 1.0 17 mg/kg **Greater than 4mm in size (Sharps greater than 2mm) <br /> Molybdenum (Mo): 1.5 75 mg/kg <br /> Nickel (Ni): 18 420 mg/kg Analyst: Assaf Sadeh <br /> Selenium (Se): < 1.0 100 mg/kgs <br /> Zinc (Zn): 210 2800 mg/kg <br /> *Sample was received and handled in accordance with TMECC procedures. <br />