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TEL: 831-724-5422 <br />FAX: 831-724-3188 <br />www.controllabs.com <br /> <br />Account #:5050028-1/1-10748 <br />Group:May25A #50 <br />Reporting Date: <br />Central Valley Compost (WM- Lathrop) <br />916 Frewert Road <br />Lathrop, CA 95330 <br /> Attn: Abel Aceves <br />Date Received:02 May. 25 <br />Sample Identification:29, 30, 31 <br />Sample ID #:5050028 - 1/1 <br />Nutrients Dry wt.As Rcvd.units Stability Indicator: <br />Total Nitrogen:1.2 0.88 %CO2 Evolution Respirometery <br />Ammonia (NH4-N):44 32 mg/kg mg CO2-C/g OM/day 4.6 <br />Nitrate (NO3-N):9.7 7.0 mg/kg mg CO2-C/g TS/day 2.8 <br />Org. Nitrogen (Org.-N):1.2 0.88 % Stability Rating moderately unstable <br />Phosphorus (as P2O5):0.42 0.31 % <br />Phosphorus (P):1900 1300 mg/kg Maturity Indicator: Cucumber Bioassay <br />Potassium (as K2O):0.73 0.53 %Compost:Vermiculite (v:v)1:2 <br />Potassium (K):6100 4400 mg/kg Emergence (%)100 <br />Calcium (Ca):2.0 1.5 %Seedling Vigor (%)100 <br />Magnesium (Mg):0.41 0.30 % Description of Plants healthy <br />Sulfate (SO4-S):200 150 mg/kg <br />Boron (Total B):36 26 mg/kg Pathogens Results Units Rating <br />Moisture:0 27.8 %Fecal Coliform > 1900 MPN/g fail <br />Sodium (Na):0.14 0.10 %Salmonella < 3 MPN/4g pass <br />Chloride (Cl):0.19 0.14 % Date Tested: 02 May. 25 <br />pH Value:NA 6.55 unit <br />Bulk Density:19 26 lb/cu ft Physical Contaminants**% by dry wt <br />Carbonates (CaCO3):8.1 5.9 lb/ton Total Plastic 1.1 <br />Conductivity (EC5):2.6 NA mmhos/cm Film Plastic 0.53 <br />Organic Matter:60.8 43.9 %Glass 0.13 <br />Organic Carbon:33.0 24.0 %Metal < 0.1 <br />Ash:39.2 28.3 %Sharps ND <br />C/N Ratio 27 27 ratio <br />AgIndex 7 7 ratio <br />Metals Dry wt.EPA Limit units Size Distribution <br />Aluminum (Al):5100 -mg/kg MM % by weight <br />Arsenic (As):2.4 41 mg/kg > 50 0.0 <br />Cadmium (Cd):< 1.0 39 mg/kg 25 to 50 0.0 <br />Chromium (Cr):34 -mg/kg 16 to 25 7.0 <br />Cobalt (Co)5.0 -mg/kg 9.5 to 16 6.3 <br />Copper (Cu):44 1500 mg/kg 6.3 to 9.5 8.3 <br />Iron (Fe):8500 -mg/kg 4.0 to 6.3 10.0 <br />Lead (Pb):30 300 mg/kg 2.0 to 4.0 13.7 <br />Manganese (Mn):250 -mg/kg < 2.0 54.8 <br />Mercury (Hg):< 1.0 17 mg/kg **Greater than 4mm in size (Sharps greater than 2mm) <br />Molybdenum (Mo):1.1 75 mg/kg <br />Nickel (Ni):22 420 mg/kg Analyst: Assaf Sadeh <br />Selenium (Se):< 1.0 100 mg/kg <br />Zinc (Zn):180 2800 mg/kg <br />*Sample was received and handled in accordance with TMECC procedures. <br />May 15, 2025 <br />Total 1.23