Laserfiche WebLink
ANALYTICAL CHEMISTS TEL: 831-724-5422 <br /> and <br /> BACTERIOLOGISTS FAX: 831-724-3188 <br /> Approved by State of California www.controllabs.com <br /> SOIL CONTROL LAB <br /> 42 HANGAR WAY <br /> WATSONVILLE Account#: 2040208-1/1-10748 <br /> CALIFORNIA <br /> 95076 Group: Apr22B#47 <br /> USA Reporting Date: April 21, 2022 <br /> Central Valley Compost (WM- Lathrop) <br /> 916 Frewert Road <br /> Lathrop, CA 95330 <br /> Attn: Jonathan Rocha <br /> Date Received: 08 Apr. 22 <br /> Sample Identification: WR-6,7,8,9,10 <br /> Sample ID#: 2040208- 1/1 <br /> Nutrients Dry wt. As Rcvd. units Stability Indicator: <br /> Total Nitrogen: 1.8 1.0 % CO2 Evolution Respirometery <br /> Ammonia (NH4-N): 140 81 mg/kg mg CO2-C/9 OM/day 4.6 <br /> Nitrate (NO3-N): 6.5 3.8 mg/kg mg CO2-C/g TS/day 2.6 <br /> Org. Nitrogen (Org.-N): 1.8 1.0 % Stability Rating moderately unstable <br /> Phosphorus (as P205): 0.65 0.37 % <br /> Phosphorus (P): 2800 1600 mg/kg Maturity Indicator: Cucumber Bioassay <br /> Potassium (as K20): 1.0 0.60 % Compost:Vermiculite (v:v) 1:2 <br /> Potassium (K): 8600 5000 mg/kg Emergence (%) 100 <br /> Calcium (Ca): 3.1 1.8 % Seedling Vigor(%) 100 <br /> Magnesium (Mg): 0.59 0.34 % Description of Plants healthy <br /> Sulfate (SO4-S): 270 160 mg/kg <br /> Boron (Total B): 77 45 mg/kg Pathogens Results Units Rating <br /> Moisture: 0 42.1 % Fecal Coliform 19 MPN/g pass <br /> Sodium (Na): 0.15 0.086 % Salmonella < 3 MPN/4g pass <br /> Chloride (Cl): 0.31 0.18 % Date Tested:08 Apr.22 <br /> pH Value: NA 7.48 unit <br /> Bulk Density: 19 32 Ib/cu ft Physical Contaminants** % by dry wt <br /> Carbonates (CaCO3): 4.3 2.5 Ib/ton Total Plastic < 0.1 <br /> Conductivity(EC5): 3.8 NA mmhos/cm Film Plastic < 0.1 <br /> Organic Matter: 56.5 32.7 % Glass < 0.1 <br /> Organic Carbon: 33.0 19.0 % Metal < 0.1 <br /> Ash: 43.5 25.2 % Sharps ND <br /> C/N Ratio 18 18 ratio Total < 0.5 <br /> A Index 8 8 ratio <br /> Metals Dry wt. EPA Limit units Size Distribution <br /> Aluminum (Al): 4200 - 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): 17 - mg/kg 16 to 25 0.0 <br /> Cobalt(Co) 4.0 - mg/kg 9.5 to 16 0.0 <br /> Copper(Cu): 50 1500 mg/kg 6.3 to 9.5 0.0 <br /> Iron (Fe): 7900 - mg/kg 4.0 to 6.3 0.5 <br /> Lead (Pb): 27 300 mg/kg 2.0 to 4.0 13.7 <br /> Manganese (Mn): 250 - mg/kg j< 2.0 85.8 <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): 14 420 mg/kg Analyst: Assaf Sadeh <br /> Selenium (Se): < 1.0 100 mg/kg <br /> Zinc (Zn): 150 2800 mg/kg <br /> *Sample was received and handled in accordance with TMECC procedures. <br />