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TEL: 831-724-5422 <br />FAX: 831-724-3188 <br />www.controllabs.com <br /> <br />Account #:3100316-1/1-10748 <br />Group:Oct23B #22 <br />Reporting Date: <br />Central Valley Compost (WM- Lathrop) <br />916 Frewert Road <br />Lathrop, CA 95330 <br /> Attn: Abel Aceves <br />Date Received:12 Oct. 23 <br />Sample Identification:5, 6, 7, 8 <br />Sample ID #:3100316 - 1/1 <br />Nutrients Dry wt.As Rcvd.units Stability Indicator: <br />Total Nitrogen:1.4 1.1 %CO2 Evolution Respirometery <br />Ammonia (NH4-N):610 470 mg/kg mg CO2-C/g OM/day 6.2 <br />Nitrate (NO3-N):1.9 1.4 mg/kg mg CO2-C/g TS/day 2.9 <br />Org. Nitrogen (Org.-N):1.3 1.1 % Stability Rating moderately unstable <br />Phosphorus (as P2O5):0.68 0.53 % <br />Phosphorus (P):3000 2300 mg/kg Maturity Indicator: Cucumber Bioassay <br />Potassium (as K2O):0.90 0.70 %Compost:Vermiculite (v:v)1:2 <br />Potassium (K):7500 5800 mg/kg Emergence (%)100 <br />Calcium (Ca):1.9 1.5 %Seedling Vigor (%)100 <br />Magnesium (Mg):0.45 0.35 % Description of Plants healthy <br />Sulfate (SO4-S):440 340 mg/kg <br />Boron (Total B):31 24 mg/kg Pathogens Results Units Rating <br />Moisture:0 22.4 %Fecal Coliform < 7.5 MPN/g pass <br />Sodium (Na):0.14 0.11 %Salmonella < 3 MPN/4g pass <br />Chloride (Cl):0.31 0.24 % Date Tested: 12 Oct. 23 <br />pH Value:NA 5.38 unit <br />Bulk Density :29 37 lb/cu ft Physical Contaminants**% by dry wt <br />Carbonates (CaCO3):11 8.6 lb/ton Total Plastic < 0.1 <br />Conductivity (EC5):6.0 NA mmhos/cm Film Plastic < 0.1 <br />Organic Matter:46.5 36.1 %Glass < 0.1 <br />Organic Carbon:22.0 17.0 %Metal < 0.1 <br />Ash:53.5 41.5 %Sharps ND <br />C/N Ratio 16 16 ratio <br />AgIndex 7 7 ratio <br />Metals Dry wt.EPA Limit units Size Distribution <br />Aluminum (Al):7000 -mg/kg MM % by weight <br />Arsenic (As):3.4 41 mg/kg > 50 0.0 <br />Cadmium (Cd):0.90 39 mg/kg 25 to 50 0.0 <br />Chromium (Cr):25 -mg/kg 16 to 25 0.0 <br />Cobalt (Co)6.1 -mg/kg 9.5 to 16 0.0 <br />Copper (Cu):84 1500 mg/kg 6.3 to 9.5 3.0 <br />Iron (Fe):13000 -mg/kg 4.0 to 6.3 5.0 <br />Lead (Pb):33 300 mg/kg 2.0 to 4.0 11.3 <br />Manganese (Mn):280 -mg/kg < 2.0 80.6 <br />Mercury (Hg):< 1.0 17 mg/kg **Greater than 4mm in size (Sharps greater than 2mm) <br />Molybdenum (Mo):1.8 75 mg/kg <br />Nickel (Ni):21 420 mg/kg Analyst: Assaf Sadeh <br />Selenium (Se):< 1.0 100 mg/kg <br />Zinc (Zn):230 2800 mg/kg <br />*Sample was received and handled in accordance with TMECC procedures. <br />October 25, 2023 <br />Total < 0.5