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Superior Precision Ana/,yr'icaipInc" <br /> uperio <br /> 825 Arnold Drive Suite 114 ■ Martinez California 94553 ■ (510} 229-1512 /fax (510) 229-1526 <br /> ANALYSIS FOR TOTAL LEAD <br /> Quality Assurance and Control Data - Soil <br /> Laboratory Number 15049 <br /> Method Spike <br /> Compound Blank RL Recovery Limits RPD <br /> (mg/Kg) (mg/Kg) <br /> TOTAL LEAD ND<5 5 94/204 75-125 10%, <br /> �r I <br /> 3' <br /> Definitions <br /> ND = Not Detected <br /> RPD = Relative Percent Difference Z <br /> RL = Reporting Limit <br /> mg/Kg = Parts per million (ppm) Senior' Chefnist <br /> QC File No 15049 Account Manager <br /> Page 3 of 3 <br /> Certified Laboratories <br />