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i <br /> r Superior Precision .Ana Vtical. /r7C_ <br /> 41 825 Arnold Drive, Suite i 14 . Martinez, California 94553 • (5 10) 229.1512/fax (S 10) 229-1 S2/ <br /> ANALYSIS FOR POLYCHLORINATED BIPHENYLS <br /> Quality Assurance and Control Data - Soil <br /> Laboratory Number 90699 <br /> Method Spike <br /> Compound Mank RL Recovery Litmits RPD <br /> (mg/kg) (mg/kg) {a) (%) {a) <br /> AROCLOR 1016 : ND<1 1 <br /> AROCLOR 1221 : ND<1 1 <br /> AROCLOR 1232 : ND<1 1 <br /> AROCLOR 1242 : ND<1 <br /> AROCLOR 1248 : NDr1 1 <br /> AROCLOR 1254 : ND<l 1 105/107 601140 2"k <br /> AROCLOR 1260 : ND<1 1 <br /> i <br /> i <br /> Definitions : <br /> ND = Not Detected <br /> RPD = Relative Percent Difference <br /> RL ; Reporting Limit �- <br /> mg/kg = Parts per million (ppm) Senior Chemist <br /> QC File No. 90599 Account Manager <br /> Page 3 of 3 <br /> Certified Laboratories <br /> L <br />