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TEL: 831-724-5422 <br />FAX: 831-724-3188 <br />www.controllabs.com <br /> <br />Account #:5050062-1/1-10748 <br />Group:May25B #22 <br />Reporting Date: <br />Central Valley Compost (WM- Lathrop) <br />916 Frewert Road <br />Lathrop, CA 95330 <br /> Attn: Abel Aceves <br />Date Received:06 May. 25 <br />Sample Identification:25, 26, 27, 28 <br />Sample ID #:5050062 - 1/1 <br />Nutrients Dry wt.As Rcvd.units Stability Indicator: <br />Total Nitrogen:1.5 1.1 %CO2 Evolution Respirometery <br />Ammonia (NH4-N):100 79 mg/kg mg CO2-C/g OM/day 3.8 <br />Nitrate (NO3-N):< 1.0 < 0.8 mg/kg mg CO2-C/g TS/day 1.7 <br />Org. Nitrogen (Org.-N):1.5 1.1 % Stability Rating stable <br />Phosphorus (as P2O5):0.63 0.48 % <br />Phosphorus (P):2700 2100 mg/kg Maturity Indicator: Cucumber Bioassay <br />Potassium (as K2O):0.89 0.68 %Compost:Vermiculite (v:v)1:2 <br />Potassium (K):7400 5700 mg/kg Emergence (%)100 <br />Calcium (Ca):2.5 1.9 %Seedling Vigor (%)100 <br />Magnesium (Mg):0.52 0.40 % Description of Plants healthy <br />Sulfate (SO4-S):91 70 mg/kg <br />Boron (Total B):44 34 mg/kg Pathogens Results Units Rating <br />Moisture:0 23.1 %Fecal Coliform 240 MPN/g pass <br />Sodium (Na):0.15 0.12 %Salmonella < 3 MPN/4g pass <br />Chloride (Cl):0.28 0.21 % Date Tested: 06 May. 25 <br />pH Value:NA 7.39 unit <br />Bulk Density:23 30 lb/cu ft Physical Contaminants**% by dry wt <br />Carbonates (CaCO3):12 9.0 lb/ton Total Plastic < 0.1 <br />Conductivity (EC5):2.9 NA mmhos/cm Film Plastic < 0.1 <br />Organic Matter:46.0 35.4 %Glass < 0.1 <br />Organic Carbon:25.0 19.0 %Metal < 0.1 <br />Ash:54.0 41.6 %Sharps ND <br />C/N Ratio 17 17 ratio <br />AgIndex 7 7 ratio <br />Metals Dry wt.EPA Limit units Size Distribution <br />Aluminum (Al):7100 -mg/kg MM % by weight <br />Arsenic (As):3.0 41 mg/kg > 50 0.0 <br />Cadmium (Cd):< 1.0 39 mg/kg 25 to 50 0.0 <br />Chromium (Cr):26 -mg/kg 16 to 25 0.0 <br />Cobalt (Co)5.6 -mg/kg 9.5 to 16 0.0 <br />Copper (Cu):61 1500 mg/kg 6.3 to 9.5 1.5 <br />Iron (Fe):12000 -mg/kg 4.0 to 6.3 5.3 <br />Lead (Pb):44 300 mg/kg 2.0 to 4.0 12.1 <br />Manganese (Mn):300 -mg/kg < 2.0 81.2 <br />Mercury (Hg):< 1.0 17 mg/kg **Greater than 4mm in size (Sharps greater than 2mm) <br />Molybdenum (Mo):1.0 75 mg/kg <br />Nickel (Ni):25 420 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 />May 23, 2025 <br />Total < 0.5