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I N o R D R A E ace, REPORT OF LABORATORY ANALYSIS 0 <br />' '- THE ASSONANCE OF GUALITY <br /> I <br /> I� Mr. Justin Power QUALITY CONTROL DATA January 06; 1993 <br /> Page 14 PACE Project Number: 421223500 <br /> Client Reference: BP Station # 11193 <br /> VOLATILE HALOCARBONS AND AROMATICS <br /> Batch: 70 17872 <br /> ' Samples: 70 0269873 <br /> METHOD BLANC: <br /> ' Method <br /> Parameter Units MDL Blank <br /> 1,4-0ish orobutane (Surrogate Recovery) 110% <br /> ' VOLATILE AROMATICS BY EPA 8020 - <br /> Benzene ug/L 0.3 ND <br /> Toluene ug/L 0.3 ND <br /> ' Ethylbenzene ug/L 0.5 ND <br /> Xylenes, Total ug/L 0.5 ND <br /> Eluorobenzene (Surrogate Recovery) 107% <br /> LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE: <br />®ParameterUnits MDL Reerence Dupl <br /> Value Recv Recv RPD <br /> 1,1-Dic oroethane ug/L 0.5 10.00 119% 101% 16% <br /> Trichloroethene (TCE) ug/L 0.5 10.00 98% 83% 16% <br /> trans-1,3-Dichloropropene ug/L 0.5 3.8 92% 82% 11% <br /> Tetrachloroethene ug/L 0.5 10.00 125% 116% 7% <br /> Benzene ug/L 0.3 10.00 92% 87% 5% <br /> ' Toluene ug/L 0.3 10.00 93% 88% 5% <br /> Xylenes, Total ug/L 0.5 20.00 102% 96% 6% <br />• <br /> 0 <br /> 11 Digital Drive <br /> g Offices Serving: Minneapolis,Minnesota Charlotte,North Carolina An Equal Opportunity Employer <br /> Novato,CA 94949 Tampa,Florida Asheville,North Carolina <br /> TEL:415.883.6100 Iowa City,Iowa New York,New York <br /> FAX: 415-883-2673 San Francisco,California Pittsburgh,Pennsylvania <br />