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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#: 4040730-1/1-10748 <br /> CALIFORNIA <br /> 95076 Group: May24A#20 <br /> USA Reporting Date: May 15, 2024 <br /> Central Valley Compost (WM- Lathrop) <br /> 916 Frewert Road <br /> Lathrop, CA 95330 <br /> Attn: Abel Aceves <br /> Date Received: 30 Apr. 24 <br /> Sample Identification: 13,14,15,16 <br /> Sample ID#: 4040730- 1/1 <br /> Nutrients Dry wt. As Rcvd. units Stability Indicator: <br /> Total Nitrogen: 1.5 0.87 % CO2 Evolution Respirometery <br /> Ammonia (NH4-N): 14 8.1 mg/kg mg CO2-C/9 OM/day 2.3 <br /> Nitrate (NO3-N): 12 6.8 mg/kg mg CO2-C/g TS/day 1.3 <br /> Org. Nitrogen (Org.-N): 1.5 0.87 % Stability Rating stable <br /> Phosphorus (as P205): 0.66 0.39 % <br /> Phosphorus (P): 2900 1700 mg/kg Maturity Indicator: Cucumber Bioassay <br /> Potassium (as K20): 1.1 0.62 % Compost:Vermiculite (v:v) 1:2 <br /> Potassium (K): 8800 5100 mg/kg Emergence (%) 100 <br /> Calcium (Ca): 3.1 1.8 % Seedling Vigor(%) 100 <br /> Magnesium (Mg): 0.62 0.36 % Description of Plants healthy <br /> Sulfate (SO4-S): 59 35 mg/kg <br /> Boron (Total B): 55 32 mg/kg Pathogens Results Units Rating <br /> Moisture: 0 41.7 % Fecal Coliform < 7.5 MPN/g pass <br /> Sodium (Na): 0.12 0.068 % Salmonella < 3 MPN/4g pass <br /> Chloride (Cl): 0.23 0.14 % Date Tested:30 Apr.24 <br /> pH Value: NA 8.66 unit <br /> Bulk Density: 20 34 Ib/cu ft Physical Contaminants** % by dry wt <br /> Carbonates (CaCO3): 22 13 Ib/ton Total Plastic < 0.1 <br /> Conductivity(EC5): 2.5 NA mmhos/cm Film Plastic < 0.1 <br /> Organic Matter: 58.5 34.1 % Glass < 0.1 <br /> Organic Carbon: 29.0 17.0 % Metal < 0.1 <br /> Ash: 41.5 24.2 % Sharps ND <br /> C/N Ratio 20 20 ratio Total < 0.5 <br /> A Index 9 9 ratio <br /> Metals Dry wt. EPA Limit units Size Distribution <br /> Aluminum (Al): 4700 - mg/kg MM % by weight <br /> Arsenic (As): 2.5 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) 4.5 - mg/kg 9.5 to 16 0.0 <br /> Copper(Cu): 51 1500 mg/kg 6.3 to 9.5 1.7 <br /> Iron (Fe): 9800 - mg/kg 4.0 to 6.3 7.1 <br /> Lead (Pb): 31 300 mg/kg 2.0 to 4.0 15.9 <br /> Manganese (Mn): 310 - mg/kg j< 2.0 75.3 <br /> Mercury(Hg): < 1.0 17 mg/kg **Greater than 4mm in size (Sharps greater than 2mm) <br /> Molybdenum (Mo): 1.3 75 mg/kg <br /> Nickel (Ni): 19 420 mg/kg Analyst: Assaf Sadeh <br /> Selenium (Se): < 1.0 100 mg/kg <br /> Zinc (Zn): 170 2800 mg/kg <br /> *Sample was received and handled in accordance with TMECC procedures. <br />