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TEL: 831-724-5422 <br />FAX: 831-724-3188 <br />www.controllabs.com <br /> <br />Account #:4080540-1/1-10748 <br />Group:Aug24D #41 <br />Reporting Date: <br />Central Valley Compost (WM- Lathrop) <br />916 Frewert Road <br />Lathrop, CA 95330 <br /> Attn: Abel Aceves <br />Date Received:22 Aug. 24 <br />Sample Identification:25, 26, 27, 28 <br />Sample ID #:4080540 - 1/1 <br />Nutrients Dry wt.As Rcvd.units Stability Indicator: <br />Total Nitrogen:1.6 1.2 %CO2 Evolution Respirometery <br />Ammonia (NH4-N):680 530 mg/kg mg CO2-C/g OM/day 7.4 <br />Nitrate (NO3-N):7.1 5.6 mg/kg mg CO2-C/g TS/day 4.4 <br />Org. Nitrogen (Org.-N):1.5 1.1 % Stability Rating moderately unstable <br />Phosphorus (as P2O5):0.73 0.58 % <br />Phosphorus (P):3200 2500 mg/kg Maturity Indicator: Cucumber Bioassay <br />Potassium (as K2O):1.1 0.85 %Compost:Vermiculite (v:v)1:2 <br />Potassium (K):9000 7000 mg/kg Emergence (%)100 <br />Calcium (Ca):2.1 1.6 %Seedling Vigor (%)100 <br />Magnesium (Mg):0.49 0.38 % Description of Plants healthy <br />Sulfate (SO4-S):400 310 mg/kg <br />Boron (Total B):31 24 mg/kg Pathogens Results Units Rating <br />Moisture:0 21.7 %Fecal Coliform < 7.5 MPN/g pass <br />Sodium (Na):0.14 0.11 %Salmonella < 3 MPN/4g pass <br />Chloride (Cl):0.30 0.24 % Date Tested: 22 Aug. 24 <br />pH Value:NA 5.41 unit <br />Bulk Density:23 29 lb/cu ft Physical Contaminants**% by dry wt <br />Carbonates (CaCO3):< 0.1 < 0.1 lb/ton Total Plastic < 0.1 <br />Conductivity (EC5):6.3 NA mmhos/cm Film Plastic < 0.1 <br />Organic Matter:59.3 46.4 %Glass < 0.1 <br />Organic Carbon:27.0 21.0 %Metal < 0.1 <br />Ash:40.7 31.9 %Sharps ND <br />C/N Ratio 17 17 ratio <br />AgIndex 8 8 ratio <br />Metals Dry wt.EPA Limit units Size Distribution <br />Aluminum (Al):5900 -mg/kg MM % by weight <br />Arsenic (As):2.7 41 mg/kg > 50 0.0 <br />Cadmium (Cd):< 1.0 39 mg/kg 25 to 50 0.0 <br />Chromium (Cr):19 -mg/kg 16 to 25 0.0 <br />Cobalt (Co)4.5 -mg/kg 9.5 to 16 0.0 <br />Copper (Cu):57 1500 mg/kg 6.3 to 9.5 1.5 <br />Iron (Fe):11000 -mg/kg 4.0 to 6.3 5.8 <br />Lead (Pb):30 300 mg/kg 2.0 to 4.0 12.9 <br />Manganese (Mn):260 -mg/kg < 2.0 79.9 <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):19 420 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 />September 4, 2024 <br />Total < 0.5