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►t rel �'� <br /> C1 ces <br /> I N C O I1 P p R A T E D REPORT OF LABORATORY ANALYSES <br /> TXf A S S U A A iI Cf OF 0 U A L I TY <br /> r John Bower QUALITY CONTROL DATA July 02, 1992 <br /> Page 11 PACE Project Number 420625505 <br /> Client Reference 440 Charter Way,Stockton <br /> GASOLINE AND AROMATICS IN AIR <br /> Batch 70 13672 <br /> Samples 70 0170451 , 70 0170524 <br /> METHOD BLANK <br /> Method <br /> Parameter Units MDL Blank <br /> Purgea a Fuels, as Gasoline (EPA 8015M ug/L 50 NO <br /> Volatile Aromatic Compounds (EPA 8020M) - <br /> - Benzene ug/L 0 5 ND <br /> - Toluene ug/L 0 5 ND <br /> - Ethylbenzene ug/L 0 5 ND <br /> - Xylenes, Total ug/L 0 5 ND <br /> LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE <br /> Reference Dupl <br /> -parameter Units MDL Value Recv Recv RPD <br /> rgeab e Fuels, as Gasoline (EPA 8015M ug/L 50 242 1080/. 107% 0% <br /> - Benzene ug/L 0 5 30 8 104% 98% 5% <br /> - Toluene ug/L 0 5 36 8 105% 100% 4% <br /> - Ethylbenzene ug/L 0 5 44 9 100% 103% 2% <br /> - Xylenes, Total ug/L 0 5 130 98% 102% 4% <br /> HOL Method Detection Limit <br /> PDD Relative Percent Difference <br /> t� <br /> i <br /> 11 Digital Drive Offices Serving Minneapolis Minnesota Charlotte North Carolina An Equal Opportunity Employer <br /> Novato CA 94949 Tampa Florida Asheville North Carolina <br /> TEL 415 883 61 Be Iowa City Iowa New York New York <br /> FAX 415 883 2673 San Francisca California Pittsburgh Pennsylvania <br /> Kansas City Missouri Denver Colorado <br /> Loi Lnp-l— Cabin nip <br />