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TEL: 831-724-5422 <br />FAX: 831-724-3188 <br />www.controllabs.com <br /> <br />Account #:5030296-1/1-10748 <br />Group:Mar25C #31 <br />Reporting Date: <br />Central Valley Compost (WM- Lathrop) <br />916 Frewert Road <br />Lathrop, CA 95330 <br /> Attn: Abel Aceves <br />Date Received:21 Mar. 25 <br />Sample Identification:13, 14, 15, 16 <br />Sample ID #:5030296 - 1/1 <br />Nutrients Dry wt.As Rcvd.units Stability Indicator: <br />Total Nitrogen:1.5 0.82 %CO2 Evolution Respirometery <br />Ammonia (NH4-N):83 46 mg/kg mg CO2-C/g OM/day 4.3 <br />Nitrate (NO3-N):< 1.0 < 0.6 mg/kg mg CO2-C/g TS/day 2.3 <br />Org. Nitrogen (Org.-N):1.5 0.82 % Stability Rating moderately unstable <br />Phosphorus (as P2O5):0.58 0.32 % <br />Phosphorus (P):2500 1400 mg/kg Maturity Indicator: Cucumber Bioassay <br />Potassium (as K2O):0.86 0.48 %Compost:Vermiculite (v:v)1:2 <br />Potassium (K):7200 4000 mg/kg Emergence (%)100 <br />Calcium (Ca):2.5 1.4 %Seedling Vigor (%)100 <br />Magnesium (Mg):0.51 0.28 % Description of Plants healthy <br />Sulfate (SO4-S):120 65 mg/kg <br />Boron (Total B):58 32 mg/kg Pathogens Results Units Rating <br />Moisture:0 44.2 %Fecal Coliform 51 MPN/g pass <br />Sodium (Na):0.11 0.060 %Salmonella < 3 MPN/4g pass <br />Chloride (Cl):0.25 0.14 % Date Tested: 21 Mar. 25 <br />pH Value:NA 6.80 unit <br />Bulk Density:19 34 lb/cu ft Physical Contaminants**% by dry wt <br />Carbonates (CaCO3):29 16 lb/ton Total Plastic < 0.1 <br />Conductivity (EC5):4.0 NA mmhos/cm Film Plastic < 0.1 <br />Organic Matter:52.8 29.4 %Glass < 0.1 <br />Organic Carbon:32.0 18.0 %Metal < 0.1 <br />Ash:47.2 26.3 %Sharps ND <br />C/N Ratio 22 22 ratio <br />AgIndex 8 8 ratio <br />Metals Dry wt.EPA Limit units Size Distribution <br />Aluminum (Al):5100 -mg/kg MM % by weight <br />Arsenic (As):2.1 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)4.2 -mg/kg 9.5 to 16 0.0 <br />Copper (Cu):50 1500 mg/kg 6.3 to 9.5 1.0 <br />Iron (Fe):8900 -mg/kg 4.0 to 6.3 4.1 <br />Lead (Pb):22 300 mg/kg 2.0 to 4.0 13.1 <br />Manganese (Mn):250 -mg/kg < 2.0 81.9 <br />Mercury (Hg):< 1.0 17 mg/kg **Greater than 4mm in size (Sharps greater than 2mm) <br />Molybdenum (Mo):0.98 75 mg/kg <br />Nickel (Ni):21 420 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 />April 4, 2025 <br />Total < 0.5