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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#: 3010438-1/1-10748 <br /> CALIFORNIA <br /> 95076 Group: Jan23D#22 <br /> USA Reporting Date: February 10, 2023 <br /> Central Valley Compost (WM- Lathrop) <br /> 916 Frewert Road <br /> Lathrop, CA 95330 <br /> Attn: Abel Aceves <br /> Date Received: 25 Jan. 23 <br /> Sample Identification: 17, 18, 19, 20 <br /> Sample ID#: 3010438- 1/1 <br /> Nutrients Dry wt. As Rcvd. units Stability Indicator: <br /> Total Nitrogen: 1.6 1.0 % CO2 Evolution Respirometery <br /> Ammonia (NH4-N): 640 410 mg/kg mg CO2-C/9 OM/day 7.0 <br /> Nitrate (NO3-N): < 1.0 < 0.6 mg/kg mg CO2-C/g TS/day 3.9 <br /> Org. Nitrogen (Org.-N): 1.5 0.96 % Stability Rating moderately unstable <br /> Phosphorus (as P205): 0.66 0.43 % <br /> Phosphorus (P): 2900 1900 mg/kg Maturity Indicator: Cucumber Bioassay <br /> Potassium (as K20): 1.1 0.73 % Compost:Vermiculite (v:v) 1:2 <br /> Potassium (K): 9300 6000 mg/kg Emergence (%) 100 <br /> Calcium (Ca): 2.2 1.4 % Seedling Vigor(%) 98 <br /> Magnesium (Mg): 0.48 0.31 % Description of Plants fungus <br /> Sulfate (SO4-S): 580 370 mg/kg <br /> Boron (Total B): 37 24 mg/kg Pathogens Results Units Rating <br /> Moisture: 0 35.3 % Fecal Coliform < 7.5 MPN/g pass <br /> Sodium (Na): 0.17 0.11 % Salmonella < 3 MPN/4g pass <br /> Chloride (Cl): 0.44 0.29 % Date Tested:25 Jan.23 <br /> pH Value: NA 4.97 unit <br /> Bulk Density: 25 39 Ib/cu ft Physical Contaminants** % by dry wt <br /> Carbonates (CaCO3): < 0.1 < 0.1 Ib/ton Total Plastic < 0.1 <br /> Conductivity(EC5): 8.1 NA mmhos/cm Film Plastic < 0.1 <br /> Organic Matter: 55.7 36.0 % Glass < 0.1 <br /> Organic Carbon: 29.0 19.0 % Metal < 0.1 <br /> Ash: 44.3 28.7 % Sharps ND <br /> C/N Ratio 18 18 ratio Total < 0.5 <br /> A Index 6 6 ratio <br /> Metals Dry wt. EPA Limit units Size Distribution <br /> Aluminum (Al): 5600 - 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): 18 - mg/kg 16 to 25 0.0 <br /> Cobalt(Co) 4.6 - mg/kg 9.5 to 16 0.0 <br /> Copper(Cu): 71 1500 mg/kg 6.3 to 9.5 0.0 <br /> Iron (Fe): 11000 - mg/kg 4.0 to 6.3 0.3 <br /> Lead (Pb): 54 300 mg/kg 2.0 to 4.0 8.5 <br /> Manganese (Mn): 270 - mg/kg j< 2.0 91.2 <br /> Mercury(Hg): < 1.0 17 mg/kg **Greater than 4mm in size (Sharps greater than 2mm) <br /> Molybdenum (Mo): 1.6 75 mg/kg <br /> Nickel (Ni): 17 420 mg/kg Analyst: Assaf Sadeh <br /> Selenium (Se): < 1.0 100 mg/kg <br /> Zinc (Zn): 200 2800 mg/kg <br /> *Sample was received and handled in accordance with TMECC procedures. <br />