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TEL: 831-724-5422 <br />FAX: 831-724-3188 <br />www.controllabs.com <br /> <br />Account #:3110085-1/1-10748 <br />Group:Nov23B #9 <br />Reporting Date: <br />Central Valley Compost (WM- Lathrop) <br />916 Frewert Road <br />Lathrop, CA 95330 <br /> Attn: Abel Aceves <br />Date Received:06 Nov. 23 <br />Sample Identification:13, 14, 15, 16 <br />Sample ID #:3110085 - 1/1 <br />Nutrients Dry wt.As Rcvd.units Stability Indicator: <br />Total Nitrogen:1.2 0.90 %CO2 Evolution Respirometery <br />Ammonia (NH4-N):490 380 mg/kg mg CO2-C/g OM/day 7.6 <br />Nitrate (NO3-N):5.4 4.1 mg/kg mg CO2-C/g TS/day 4.4 <br />Org. Nitrogen (Org.-N):1.2 0.86 % Stability Rating moderately unstable <br />Phosphorus (as P2O5):0.55 0.43 % <br />Phosphorus (P):2400 1900 mg/kg Maturity Indicator: Cucumber Bioassay <br />Potassium (as K2O):0.93 0.71 %Compost:Vermiculite (v:v)1:2 <br />Potassium (K):7700 5900 mg/kg Emergence (%)93 <br />Calcium (Ca):1.9 1.5 %Seedling Vigor (%)100 <br />Magnesium (Mg):0.48 0.37 % Description of Plants healthy <br />Sulfate (SO4-S):420 330 mg/kg <br />Boron (Total B):31 24 mg/kg Pathogens Results Units Rating <br />Moisture:0 22.9 %Fecal Coliform < 7.5 MPN/g pass <br />Sodium (Na):0.15 0.11 %Salmonella < 3 MPN/4g pass <br />Chloride (Cl):0.31 0.24 % Date Tested: 06 Nov. 23 <br />pH Value:NA 4.76 unit <br />Bulk Density :27 35 lb/cu ft Physical Contaminants**% by dry wt <br />Carbonates (CaCO3):< 0.1 < 0.1 lb/ton Total Plastic < 0.1 <br />Conductivity (EC5):5.6 NA mmhos/cm Film Plastic < 0.1 <br />Organic Matter:58.7 45.2 %Glass 0.35 <br />Organic Carbon:27.0 21.0 %Metal < 0.1 <br />Ash:41.3 31.8 %Sharps ND <br />C/N Ratio 23 23 ratio <br />AgIndex 6 6 ratio <br />Metals Dry wt.EPA Limit units Size Distribution <br />Aluminum (Al):4900 -mg/kg MM % by weight <br />Arsenic (As):2.3 41 mg/kg > 50 0.0 <br />Cadmium (Cd):< 1.0 39 mg/kg 25 to 50 0.0 <br />Chromium (Cr):21 -mg/kg 16 to 25 0.0 <br />Cobalt (Co)4.0 -mg/kg 9.5 to 16 0.0 <br />Copper (Cu):49 1500 mg/kg 6.3 to 9.5 2.8 <br />Iron (Fe):12000 -mg/kg 4.0 to 6.3 5.4 <br />Lead (Pb):24 300 mg/kg 2.0 to 4.0 12.1 <br />Manganese (Mn):250 -mg/kg < 2.0 79.7 <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):16 420 mg/kg Analyst: Assaf Sadeh <br />Selenium (Se):< 1.0 100 mg/kg <br />Zinc (Zn):140 2800 mg/kg <br />*Sample was received and handled in accordance with TMECC procedures. <br />November 19, 2023 <br />Total < 0.5