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TEL: 831-724-5422 <br />FAX: 831-724-3188 <br />www.controllabs.com <br /> <br />Account #:5070418-1/1-saund <br />Group:Aug25A #25 <br />Reporting Date: <br />Central Valley Compost (WM- Lathrop) <br />916 Frewert Road <br />Lathrop, CA 95330 <br /> Attn: Abel Aceves <br />Date Received:30 Jul. 25 <br />Sample Identification:25, 26, 27, 28 <br />Sample ID #:5070418 - 1/1 <br />Nutrients Dry wt.As Rcvd.units Stability Indicator: <br />Total Nitrogen:2.1 1.5 %CO2 Evolution Respirometery <br />Ammonia (NH4-N):550 390 mg/kg mg CO2-C/g OM/day 3.0 <br />Nitrate (NO3-N):7.0 4.9 mg/kg mg CO2-C/g TS/day 1.4 <br />Org. Nitrogen (Org.-N):2.0 1.5 % Stability Rating stable <br />Phosphorus (as P2O5):0.77 0.54 % <br />Phosphorus (P):3300 2400 mg/kg Maturity Indicator: Cucumber Bioassay <br />Potassium (as K2O):1.4 0.97 %Compost:Vermiculite (v:v)1:2 <br />Potassium (K):11000 8000 mg/kg Emergence (%)100 <br />Calcium (Ca):2.3 1.6 %Seedling Vigor (%)90 <br />Magnesium (Mg):0.57 0.40 % Description of Plants healthy <br />Sulfate (SO4-S):42 30 mg/kg <br />Boron (Total B):44 31 mg/kg Pathogens Results Units Rating <br />Moisture:0 29.6 %Fecal Coliform < 7.5 MPN/g pass <br />Sodium (Na):0.20 0.14 %Salmonella < 3 MPN/4g pass <br />Chloride (Cl):0.48 0.34 % Date Tested: 30 Jul. 25 <br />pH Value:NA 8.73 unit <br />Bulk Density:26 36 lb/cu ft Physical Contaminants**% by dry wt <br />Carbonates (CaCO3):20 14 lb/ton Total Plastic < 0.1 <br />Conductivity (EC5):5.0 NA mmhos/cm Film Plastic < 0.1 <br />Organic Matter:47.8 33.6 %Glass < 0.1 <br />Organic Carbon:27.0 19.0 %Metal < 0.1 <br />Ash:52.2 36.8 %Sharps ND <br />C/N Ratio 13 13 ratio <br />AgIndex 6 6 ratio <br />Metals Dry wt.EPA Limit units Size Distribution <br />Aluminum (Al):8800 -mg/kg MM % by weight <br />Arsenic (As):3.5 41 mg/kg > 50 0.0 <br />Cadmium (Cd):< 1.0 39 mg/kg 25 to 50 0.0 <br />Chromium (Cr):36 -mg/kg 16 to 25 0.0 <br />Cobalt (Co)6.2 -mg/kg 9.5 to 16 0.0 <br />Copper (Cu):69 1500 mg/kg 6.3 to 9.5 2.7 <br />Iron (Fe):12000 -mg/kg 4.0 to 6.3 9.0 <br />Lead (Pb):34 300 mg/kg 2.0 to 4.0 15.8 <br />Manganese (Mn):360 -mg/kg < 2.0 72.5 <br />Mercury (Hg):< 1.0 17 mg/kg **Greater than 4mm in size (Sharps greater than 2mm) <br />Molybdenum (Mo):1.7 75 mg/kg <br />Nickel (Ni):25 420 mg/kg Analyst: Assaf Sadeh <br />Selenium (Se):< 1.0 100 mg/kg <br />Zinc (Zn):220 2800 mg/kg <br />*Sample was received and handled in accordance with TMECC procedures. <br />August 14, 2025 <br />Total < 0.5