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superior JC7 <br /> �recisian ,Analyrical,Plnc. <br /> h 825 Arnold Drive Suite 1 14 • Martinez California 94553 ■ (510) 229-1512 /fax (510) 2291526 <br /> . ANALYSIS FOR TOTAL LEAD <br /> Quality Assurance and Control Data - Soil <br /> Laboratory Number 15043 <br /> Method Spike <br /> Compound Blank RL Recovery Limits RPD <br /> (mg/Kg) (mg/Kg) (%) (%) (°6) <br /> TOTAL LEAD- ND<5 5 94/104 75-125 10% <br /> t <br /> t <br /> i <br /> Definitions <br /> ND = Not Detected <br /> RPD = Relative Percent Difference Iv L3 J3 <br /> RL = Reporting Limit <br /> mg/Kg = Parts per million (ppm) Senior Chemist <br /> QC File No 15043 Account Manager <br /> iPage 4 of 4 <br /> Certified Laboratories <br />