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{ <br /> Superior Prc .ision Analyrical, 7cm <br /> 1555 Burke, Unit I • San Francisco, California 94124 (4 15) 647-2081 / fax (415 ) 821 7123 <br /> EPA SW- 846 METHOD 8270 SEMIVOLATILE ORGANICS BY GC / MS <br /> Quality Assurance and Control Data - Soil <br /> Laboratory Number 15540 <br /> Method Spike <br /> Compound Blank RL Recovery Limits RPD <br /> ( ug / Kg ) ( ug / Kg ) M M M <br /> chrysene : ND< 300 300 <br /> bis ( 2 -ethylhexyl ) phtha : ND< 400 400 <br /> di -n- octylphthalate : ND< 300 300 <br /> benzo ( b , k ) fluoranthene : ND< 300 300 <br /> benzo [ a ] pyrene : ND< 300 300 <br /> indeno [ 1 , 2 , 3 -cd ] pyrene : ND< 300 300 <br /> dibenzo [ a , h ] anthracene : ND< 300 300 <br /> benzo [ g , h , i ] anthracene : ND< 300 300 <br /> 2 - fluorophenol : 50 50 - 108 <br /> phenol -d6 : 58 54 - 106 <br /> nitrobenzene-d5 : 58 45 - 109 <br /> 2 - fluorobiphenyl : 62 52 - 115 <br /> 2 , 4 , 6 -tribromophenol : 60 37 - 122 <br /> terphenyl -d14 : 69 55 - 131 <br /> Definitions : <br /> ND = Not Detected <br /> RPD = Relative Percent Difference <br /> RL = Reporting Limit <br /> ug / Kg = Parts per billion ( ppb ) Sehibk Phemist <br /> QC File No . 15540 Adcount Manager <br /> Page 7 of 7 <br /> Certified Laboratories <br />