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ANALYTICAL CHEMISTS TEL: 831-724-5422 <br /> and FAX: 831-724-3188 <br /> BACTERIOLOGISTS <br /> www.control labs.com <br /> SOIL CONTROL LAB <br /> 42 HANGAR WAY <br /> WATSONVILLE Account#: 6070275-1/1-10748 <br /> CALIFORNIA <br /> 95076 Group: Ju126D#16 <br /> USA <br /> Reporting Date: August 6, 2026 <br /> Central Valley Compost (WM- Lathrop) <br /> 916 Frewert Road <br /> Lathrop, CA 95330 <br /> Attn: Scott Gamble <br /> Date Received: 22 Jul. 26 <br /> Sample Identification: WM Earthcare Premium Compost (25,26,27,28) <br /> Sample ID#: 6070275- 1/1 <br /> Nutrients Dry wt. As Rcvd. units Stability Indicator: <br /> Total Nitrogen: 1.7 1.3 % CO2 Evolution Respirometery <br /> Ammonia (NH4-N): 400 310 mg/kg mg CO2-C/9 OM/day 3.9 <br /> Nitrate (NO3-N): < 1.0 < 0.8 mg/kg mg CO2-C/g TS/day 2.0 <br /> Org. Nitrogen (Org.-N): 1.7 1.3 % Stability Rating stable <br /> Phosphorus (as P205): 0.68 0.53 % <br /> Phosphorus (P): 3000 2300 mg/kg Maturity Indicator: Cucumber Bioassay <br /> Potassium (as K20): 1.3 1.0 % Compost:Vermiculite (v:v) 1:2 <br /> Potassium (K): 11000 8400 mg/kg Emergence (%) 100 <br /> Calcium (Ca): 2.5 2.0 % Seedling Vigor(%) 100 <br /> Magnesium (Mg): 0.58 0.45 % Description of Plants healthy <br /> Sulfate (SO4-S): 120 96 mg/kg <br /> Boron (Total B): 42 33 mg/kg Pathogens Results Units Rating <br /> Moisture: 0 22.8 % Fecal Coliform < 7.5 MPN/g pass <br /> Sodium (Na): 0.18 0.14 % Salmonella < 3 MPN/4g pass <br /> Chloride (Cl): 0.31 0.24 % Date Tested:22 Jul.26 <br /> pH Value: NA 8.11 unit <br /> Bulk Density: 27 35 Ib/cu ft Physical Contaminants' % by dry wt <br /> Carbonates (CaCO3): 23 18 Ib/ton Total Plastic < 0.1 <br /> Conductivity(EC5): 3.9 NA mmhos/cm Film Plastic < 0.1 <br /> Organic Matter: 52.1 40.2 % Glass 0.19 <br /> Organic Carbon: 29.0 23.0 % Metal < 0.1 <br /> Ash: 47.9 37.0 % Sharps ND <br /> C/N Ratio 17 17 ratio Total < 0.5 <br /> A Index 8 8 ratio <br /> Metals Dry wt. EPA Limit units Size Distribution <br /> Aluminum (Al): 8800 - mg/kg MM % by weight <br /> Arsenic (As): 2.9 41 mg/kg > 50 0.0 <br /> Cadmium (Cd): < 1.0 39 mg/kg 25 to 50 0.0 <br /> Chromium (Cr): 31 - mg/kg 16 to 25 0.0 <br /> Cobalt(Co) 6.2 - mg/kg 9.5 to 16 1.1 <br /> Copper(Cu): 73 1500 mg/kg 6.3 to 9.5 2.4 <br /> Iron (Fe): 12000 - mg/kg 4.0 to 6.3 8.3 <br /> Lead (Pb): 40 300 mg/kg 2.0 to 4.0 16.2 <br /> Manganese (Mn): 310 - mg/kg j< 2.0 72.1 <br /> Mercury(Hg): < 1.0 17 mg/kg "Greater than 4mm in size (Sharps greater than 2mm) <br /> Molybdenum (Mo): 1.6 75 mg/kg <br /> Nickel (Ni): 22 420 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 />