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ANALYTICAL CHEMISTS TEL: 831-724-5422 <br /> and FAX: 831-724-3188 <br /> BACTERIOLOGISTS <br /> www.controllabs.com <br /> SOIL CONTROL LAB <br /> 42 HANGAR WAY <br /> WATSONVILLE Account#: 5080348-1/1-saund <br /> CALIFORNIA <br /> 95076 Group: Aug25E#8 <br /> USA <br /> Reporting Date: September 12, 2025 <br /> Central Valley Compost (WM- Lathrop) <br /> 916 Frewert Road <br /> Lathrop, CA 95330 <br /> Attn: Abel Aceves <br /> Date Received: 26 Aug. 25 <br /> Sample Identification: 1,2,3,4 <br /> Sample ID#: 5080348- 1/1 <br /> Nutrients Dry wt. As Rcvd. units Stability Indicator: <br /> Total Nitrogen: 1.6 1.3 % CO2 Evolution Respirometery <br /> Ammonia (NH4-N): 450 370 mg/kg mg CO2-C/9 OM/day 5.9 <br /> Nitrate (NO3-N): 13 10 mg/kg mg CO2-C/g TS/day 3.0 <br /> Org. Nitrogen (Org.-N): 1.6 1.3 % Stability Rating moderately unstable <br /> Phosphorus (as P205): 0.66 0.54 % <br /> Phosphorus (P): 2900 2300 mg/kg Maturity Indicator: Cucumber Bioassay <br /> Potassium (as K20): 1.1 0.93 % Compost:Vermiculite (v:v) 1:2 <br /> Potassium (K): 9500 7700 mg/kg Emergence (%) 100 <br /> Calcium (Ca): 2.1 1.7 % Seedling Vigor(%) 100 <br /> Magnesium (Mg): 0.52 0.42 % Description of Plants healthy <br /> Sulfate (SO4-S): 270 220 mg/kg <br /> Boron (Total B): 36 30 mg/kg Pathogens Results Units Rating <br /> Moisture: 0 18.9 % Fecal Coliform 370 MPN/g pass <br /> Sodium (Na): 0.15 0.12 % Salmonella < 3 MPN/4g pass <br /> Chloride (Cl): 0.37 0.30 % Date Tested:26 Aug.25 <br /> pH Value: NA 6.53 unit <br /> Bulk Density: 24 30 Ib/cu ft Physical Contaminants' % by dry wt <br /> Carbonates (CaCO3): 8.0 6.5 lb/ton Total Plastic < 0.1 <br /> Conductivity(EC5): 4.7 NA mmhos/cm Film Plastic < 0.1 <br /> Organic Matter: 50.6 41.0 % Glass < 0.1 <br /> Organic Carbon: 25.0 20.0 % Metal < 0.1 <br /> Ash: 49.4 40.1 % Sharps ND <br /> C/N Ratio 16 16 ratio Total < 0.5 <br /> A Index 6 6 ratio <br /> Metals Dry wt. EPA Limit units Size Distribution <br /> Aluminum (Al): 9100 - mg/kg MM % by weight <br /> Arsenic (As): 3.5 41 mg/kg > 50 0.0 <br /> Cadmium (Cd): 1.0 39 mg/kg 25 to 50 0.0 <br /> Chromium (Cr): 33 - mg/kg 16 to 25 0.0 <br /> Cobalt(Co) 5.8 - mg/kg 9.5 to 16 0.0 <br /> Copper(Cu): 63 1500 mg/kg 6.3 to 9.5 2.2 <br /> Iron (Fe): 13000 - mg/kg 4.0 to 6.3 7.9 <br /> Lead (Pb): 31 300 mg/kg 2.0 to 4.0 17.2 <br /> Manganese (Mn): 300 - mg/kg j< 2.0 72.8 <br /> Mercury(Hg): < 1.0 17 mg/kg "Greater than 4mm in size (Sharps greater than 2mm) <br /> Molybdenum (Mo): 1.4 75 mg/kg <br /> Nickel (Ni): 23 420 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 />