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!� U <br /> Superior Precision Analytical, Inc. <br /> H 1 555 Burke, Unit I • San Francisco, California 94124 ■ (4 15; 647-208 1 /fax (41 5) 82 1-7 123 ; <br /> METHOD 8270 SEMIVOLATILE ORGANICS BY GC/MS <br /> Quality Assurance and Control Data - Soil i <br /> Laboratory Number 14810 <br /> i< <br /> Method Spike <br /> Compound Blank RL Recovery Limits RPD <br /> (ug/Kg) (ug/Kg) <br /> 3 <br /> 1 <br /> chrysene: ND<330 330 <br /> bis (2-ethylhexyl)phtha: ND<330 330 <br /> di-n-octylphthalate: ND<330 330 <br /> benzo(b, k) fluoranthene: ND<330 330 <br /> benzo(a]pyrene: ND<330 330 <br /> indeno( 1 ,2 , 3-cd}pyrene: ND<330 330 <br /> dibenzo[a, h]anthracene: ND<330 ; 330 <br /> benzo[g,h, ijanthracene: ND<330 330 <br /> 2-fluorophenol : 80 25-121 <br /> # phenol-d6 : 82 24-113 <br /> nitrobenzene--d5 : 69 23-120 <br /> 2-fluorobiphenyl : 76 30-115 <br /> 2, 4, 6-tribromophenol : 88 19-122 <br /> terphenyl-d14 : 104 18-137 <br /> Definitions : . <br /> * = MS/MSD recovery out of control due to matrix effects. <br /> ND = Not Detected. <br /> RPD = Relative Percent Difference <br /> RL = Reporting Limit Lk��IAA5�& <br /> ug/Kg = Parts per billion (ppb) Senior Chemist <br /> QC File No. 14810 Account Manager <br /> a <br /> Page 7 of 7 <br /> Certified Laboratories <br />