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TEL: 831-724-5422 <br />FAX: 831-724-3188 <br />www.controllabs.com <br /> <br />Account #:5050338-1/1-10748 <br />Group:May25E #5 <br />Reporting Date: <br />Central Valley Compost (WM- Lathrop) <br />916 Frewert Road <br />Lathrop, CA 95330 <br /> Attn: Abel Aceves <br />Date Received:27 May. 25 <br />Sample Identification:1, 2, 3, 4 <br />Sample ID #:5050338 - 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):45 34 mg/kg mg CO2-C/g OM/day 2.3 <br />Nitrate (NO3-N):< 1.0 < 0.7 mg/kg mg CO2-C/g TS/day 1.1 <br />Org. Nitrogen (Org.-N):1.5 1.1 % Stability Rating stable <br />Phosphorus (as P2O5):0.67 0.50 % <br />Phosphorus (P):2900 2200 mg/kg Maturity Indicator: Cucumber Bioassay <br />Potassium (as K2O):0.94 0.70 %Compost:Vermiculite (v:v)1:2 <br />Potassium (K):7800 5800 mg/kg Emergence (%)100 <br />Calcium (Ca):2.5 1.9 %Seedling Vigor (%)100 <br />Magnesium (Mg):0.56 0.42 % Description of Plants healthy <br />Sulfate (SO4-S):75 56 mg/kg <br />Boron (Total B):43 32 mg/kg Pathogens Results Units Rating <br />Moisture:0 25.3 %Fecal Coliform < 7.5 MPN/g pass <br />Sodium (Na):0.17 0.12 %Salmonella < 3 MPN/4g pass <br />Chloride (Cl):0.33 0.25 % Date Tested: 27 May. 25 <br />pH Value:NA 7.50 unit <br />Bulk Density:26 35 lb/cu ft Physical Contaminants**% by dry wt <br />Carbonates (CaCO3):18 13 lb/ton Total Plastic < 0.1 <br />Conductivity (EC5):2.9 NA mmhos/cm Film Plastic < 0.1 <br />Organic Matter:47.7 35.6 %Glass 0.11 <br />Organic Carbon:26.0 19.0 %Metal < 0.1 <br />Ash:52.3 39.1 %Sharps ND <br />C/N Ratio 17 17 ratio <br />AgIndex 6 6 ratio <br />Metals Dry wt.EPA Limit units Size Distribution <br />Aluminum (Al):8300 -mg/kg MM % by weight <br />Arsenic (As):3.4 41 mg/kg > 50 0.0 <br />Cadmium (Cd):< 1.0 39 mg/kg 25 to 50 0.0 <br />Chromium (Cr):32 -mg/kg 16 to 25 0.0 <br />Cobalt (Co)6.8 -mg/kg 9.5 to 16 0.0 <br />Copper (Cu):57 1500 mg/kg 6.3 to 9.5 2.4 <br />Iron (Fe):16000 -mg/kg 4.0 to 6.3 7.0 <br />Lead (Pb):34 300 mg/kg 2.0 to 4.0 15.0 <br />Manganese (Mn):360 -mg/kg < 2.0 75.6 <br />Mercury (Hg):< 1.0 17 mg/kg **Greater than 4mm in size (Sharps greater than 2mm) <br />Molybdenum (Mo):1.5 75 mg/kg <br />Nickel (Ni):29 420 mg/kg Analyst: Assaf Sadeh <br />Selenium (Se):< 1.0 100 mg/kg <br />Zinc (Zn):190 2800 mg/kg <br />*Sample was received and handled in accordance with TMECC procedures. <br />June 12, 2025 <br />Total < 0.5