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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#: 3030530-1/1-10748 <br /> CALIFORNIA <br /> 95076 Group: Mar23D#44 <br /> USA Reporting Date: April 4, 2023 <br /> Central Valley Compost (WM- Lathrop) <br /> 916 Frewert Road <br /> Lathrop, CA 95330 <br /> Attn: Abel Aceves <br /> Date Received: 24 Mar. 23 <br /> Sample Identification: 25, 26, 27, 28, 29 <br /> Sample ID#: 3030530- 1/1 <br /> Nutrients Dry wt. As Rcvd. units Stability Indicator: <br /> Total Nitrogen: 1.6 0.86 % CO2 Evolution Respirometery <br /> Ammonia (NH4-N): 350 190 mg/kg mg CO2-C/9 OM/day 4.8 <br /> Nitrate (NO3-N): < 1.0 < 0.6 mg/kg mg CO2-C/g TS/day 2.3 <br /> Org. Nitrogen (Org.-N): 1.6 0.84 % Stability Rating moderately unstable <br /> Phosphorus (as P205): 0.76 0.42 % <br /> Phosphorus (P): 3300 1800 mg/kg Maturity Indicator: Cucumber Bioassay <br /> Potassium (as K20): 0.99 0.54 % Compost:Vermiculite (v:v) 1:2 <br /> Potassium (K): 8200 4500 mg/kg Emergence (%) 100 <br /> Calcium (Ca): 2.4 1.3 % Seedling Vigor(%) 100 <br /> Magnesium (Mg): 0.57 0.31 % Description of Plants healthy <br /> Sulfate (SO4-S): 55 31 mg/kg <br /> Boron (Total B): 44 25 mg/kg Pathogens Results Units Rating <br /> Moisture: 0 44.8 % Fecal Coliform 8.1 MPN/g pass <br /> Sodium (Na): 0.14 0.077 % Salmonella < 3 MPN/4g pass <br /> Chloride (Cl): 0.34 0.19 % Date Tested:24 Mar.23 <br /> pH Value: NA 8.07 unit <br /> Bulk Density: 25 45 Ib/cu ft Physical Contaminants** % by dry wt <br /> Carbonates (CaCO3): 16 9.1 Ib/ton Total Plastic < 0.1 <br /> Conductivity(EC5): 4.2 NA mmhos/cm Film Plastic < 0.1 <br /> Organic Matter: 48.9 27.0 % Glass < 0.1 <br /> Organic Carbon: 24.0 13.0 % Metal < 0.1 <br /> Ash: 51.1 28.2 % Sharps ND <br /> C/N Ratio 16 16 ratio Total < 0.5 <br /> A Index 7 7 ratio <br /> Metals Dry wt. EPA Limit units Size Distribution <br /> Aluminum (Al): 5000 - mg/kg MM % by weight <br /> Arsenic (As): 2.9 41 mg/kg > 50 0.0 <br /> Cadmium (Cd): < 1.0 39 mg/kg 25 to 50 0.0 <br /> Chromium (Cr): 19 - mg/kg 16 to 25 0.0 <br /> Cobalt(Co) 4.8 - mg/kg 9.5 to 16 0.0 <br /> Copper(Cu): 70 1500 mg/kg 6.3 to 9.5 0.0 <br /> Iron (Fe): 12000 - mg/kg 4.0 to 6.3 0.2 <br /> Lead (Pb): 36 300 mg/kg 2.0 to 4.0 13.4 <br /> Manganese (Mn): 290 - mg/kg j< 2.0 86.4 <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): 18 420 mg/kg Analyst: Assaf Sadeh <br /> Selenium (Se): < 1.0 100 mg/kg <br /> Zinc (Zn): 210 2800 mg/kg <br /> *Sample was received and handled in accordance with TMECC procedures. <br />