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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#: 5050028-1/1-10748 <br /> CALIFORNIA <br /> 9M76 Group: May25A#50 <br /> USA <br /> Reporting Date: May 15, 2025 <br /> Central Valley Compost (WM- Lathrop) <br /> 916 Frewert Road <br /> Lathrop, CA 95330 <br /> Attn: Abel Aceves <br /> Date Received: 02 May. 25 <br /> Sample Identification: 29, 30, 31 <br /> Sample ID#: 5050028- 1/1 <br /> Nutrients Dry wt. As Rcvd. units Stability Indicator: <br /> Total Nitrogen: 1.2 0.88 % CO2 Evolution Respirometery <br /> Ammonia (NH4-N): 44 32 mg/kg mg CO2-C/9 OM/day 4.6 <br /> Nitrate (NO3-N): 9.7 7.0 mg/kg mg CO2-C/g TS/day 2.8 <br /> Org. Nitrogen (Org.-N): 1.2 0.88 % Stability Rating moderately unstable <br /> Phosphorus (as P205): 0.42 0.31 % <br /> Phosphorus (P): 1900 1300 mg/kg Maturity Indicator: Cucumber Bioassay <br /> Potassium (as K20): 0.73 0.53 % Compost:Vermiculite (v:v) 1:2 <br /> Potassium (K): 6100 4400 mg/kg Emergence (%) 100 <br /> Calcium (Ca): 2.0 1.5 % Seedling Vigor(%) 100 <br /> Magnesium (Mg): 0.41 0.30 % Description of Plants healthy <br /> Sulfate (SO4-S): 200 150 mg/kg <br /> Boron (Total B): 36 26 mg/kg Pathogens Results Units Rating <br /> Moisture: 0 27.8 % Fecal Coliform > 1900 MPN/g fail <br /> Sodium (Na): 0.14 0.10 % Salmonella < 3 MPN/4g pass <br /> Chloride (Cl): 0.19 0.14 % Date Tested:02 May.25 <br /> pH Value: NA 6.55 unit <br /> Bulk Density: 19 26 Ib/cu ft Physical Contaminants' % by dry wt <br /> Carbonates (CaCO3): 8.1 5.9 lb/ton Total Plastic 1.1 <br /> Conductivity(EC5): 2.6 NA mmhos/cm Film Plastic 0.53 <br /> Organic Matter: 60.8 43.9 % Glass 0.13 <br /> Organic Carbon: 33.0 24.0 % Metal < 0.1 <br /> Ash: 39.2 28.3 % Sharps ND <br /> C/N Ratio 27 27 ratio Total 1.23 <br /> A Index 7 7 ratio <br /> Metals Dry wt. EPA Limit units Size Distribution <br /> Aluminum (Al): 5100 - mg/kg MM % by weight <br /> Arsenic (As): 2.4 41 mg/kg > 50 0.0 <br /> Cadmium (Cd): < 1.0 39 mg/kg 25 to 50 0.0 <br /> Chromium (Cr): 34 - mg/kg 16 to 25 7.0 <br /> Cobalt(Co) 5.0 - mg/kg 9.5 to 16 6.3 <br /> Copper(Cu): 44 1500 mg/kg 6.3 to 9.5 8.3 <br /> Iron (Fe): 8500 - mg/kg 4.0 to 6.3 10.0 <br /> Lead (Pb): 30 300 mg/kg 2.0 to 4.0 13.7 <br /> Manganese (Mn): 250 - mg/kg j< 2.0 54.8 <br /> Mercury(Hg): < 1.0 17 mg/kg **Greater than 4mm in size (Sharps greater than 2mm) <br /> Molybdenum (Mo): 1.1 75 mg/kg <br /> Nickel (Ni): 22 420 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 />