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TEL: 831-724-5422 <br />FAX: 831-724-3188 <br />www.controllabs.com <br /> <br />Account #:4030529-1/1-10748 <br />Group:Mar24E #4 <br />Reporting Date: <br />Central Valley Compost (WM- Lathrop) <br />916 Frewert Road <br />Lathrop, CA 95330 <br /> Attn: Abel Aceves <br />Date Received:26 Mar. 24 <br />Sample Identification:17, 18, 19, 20,21 <br />Sample ID #:4030529 - 1/1 <br />Nutrients Dry wt.As Rcvd.units Stability Indicator: <br />Total Nitrogen:1.7 1.2 %CO2 Evolution Respirometery <br />Ammonia (NH4-N):30 20 mg/kg mg CO2-C/g OM/day 3.8 <br />Nitrate (NO3-N):< 1.0 < 0.7 mg/kg mg CO2-C/g TS/day 1.9 <br />Org. Nitrogen (Org.-N):1.7 1.2 % Stability Rating stable <br />Phosphorus (as P2O5):0.84 0.57 % <br />Phosphorus (P):3700 2500 mg/kg Maturity Indicator: Cucumber Bioassay <br />Potassium (as K2O):1.1 0.73 %Compost:Vermiculite (v:v)1:2 <br />Potassium (K):8800 6000 mg/kg Emergence (%)100 <br />Calcium (Ca):2.4 1.7 %Seedling Vigor (%)100 <br />Magnesium (Mg):0.53 0.36 % Description of Plants healthy <br />Sulfate (SO4-S):210 140 mg/kg <br />Boron (Total B):40 27 mg/kg Pathogens Results Units Rating <br />Moisture:0 31.8 %Fecal Coliform < 7.5 MPN/g pass <br />Sodium (Na):0.14 0.097 %Salmonella < 3 MPN/4g pass <br />Chloride (Cl):0.31 0.21 % Date Tested: 26 Mar. 24 <br />pH Value:NA 8.36 unit <br />Bulk Density :24 35 lb/cu ft Physical Contaminants**% by dry wt <br />Carbonates (CaCO3):7.8 5.3 lb/ton Total Plastic < 0.1 <br />Conductivity (EC5):3.3 NA mmhos/cm Film Plastic < 0.1 <br />Organic Matter:50.6 34.5 %Glass < 0.1 <br />Organic Carbon:25.0 17.0 %Metal < 0.1 <br />Ash:49.4 33.7 %Sharps ND <br />C/N Ratio 15 15 ratio <br />AgIndex 8 8 ratio <br />Metals Dry wt.EPA Limit units Size Distribution <br />Aluminum (Al):5500 -mg/kg MM % by weight <br />Arsenic (As):2.3 41 mg/kg > 50 0.0 <br />Cadmium (Cd):0.99 39 mg/kg 25 to 50 0.0 <br />Chromium (Cr):19 -mg/kg 16 to 25 0.0 <br />Cobalt (Co)4.9 -mg/kg 9.5 to 16 0.6 <br />Copper (Cu):60 1500 mg/kg 6.3 to 9.5 3.3 <br />Iron (Fe):12000 -mg/kg 4.0 to 6.3 6.9 <br />Lead (Pb):73 300 mg/kg 2.0 to 4.0 14.1 <br />Manganese (Mn):260 -mg/kg < 2.0 75.0 <br />Mercury (Hg):< 1.0 17 mg/kg **Greater than 4mm in size (Sharps greater than 2mm) <br />Molybdenum (Mo):1.2 75 mg/kg <br />Nickel (Ni):17 420 mg/kg Analyst: Assaf Sadeh <br />Selenium (Se):< 1.0 100 mg/kg <br />Zinc (Zn):200 2800 mg/kg <br />*Sample was received and handled in accordance with TMECC procedures. <br />April 16, 2024 <br />Total < 0.5