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PN <br /> C 0 a R E oactREPORT OF LABORATORY ANALYSIS <br /> THE 15 SU RA;ce GF IpAer l7 <br /> ^'s. Jacqueline Doub QUALITY CONTROL DATA October 31, 1991 <br /> Page 8 <br /> PACE Project Number: 4I1018509 <br /> Client Reference: Exxon 7-0137 <br /> TPH GASOLINE/BTEX <br /> Batch: 70 07090 <br /> Samples: 70 0104823 <br /> METHOD BLANK: <br /> Method F <br /> Parameter Units MDL Blank <br /> TOTAL FUEL HYDROCARBONS, (LIGHT): _ <br /> Purgeable Fuels, as Gasoline (EPA 8015) ug/L 50 ND <br /> PURGEABLE AROMATICS (BTXE BY FPA 8020): _ <br /> Benzene ug/L 0.5 ND <br /> Toluene ug/L 0.5 ND <br /> Ethylbenzene ug/L 0.5 NO <br /> Xylenes, Total ug/L 0.5 NO <br /> LABORATORY CONTROL SAMPLE AND CONTROL SAMPLE DUPLICATE: <br /> Reference Dupl <br /> " arameter Units MDL Value Recv Recv RPD <br /> "`—rjurgeabl a Fuels, as Gasoline (EPA 8015) ug/L50 3x5 1D7% 106% 00% <br /> Benzene ug/L 0.5 40.0 110% 107% 2% <br /> Toluene ug/L 0.5 40.0 110% 107% 2% <br /> Ethyl benzene u9/L 0.5 40.0 109% 105% 3% <br /> ` Xylenes, Total ug/L 0.5 80.0 109% I06% 2i! <br /> MDL Method Detection Limit <br /> RPD Relative Percent Difference <br /> E <br /> I I Digital Orive Offices Serving: Monseooes.Minnesota Chulmia,North Ce+otina An Equal Opportunity Emotoyer <br /> Novara.CA 94949 Tampa,Flonda Asheyaia,North Caroline <br /> TEL:415.883.5100 Iowa City.Iowa Now York,New Yor# <br /> . FAX:415883.2673 San Franctsco.California Pittsburgh,Pennsylvania - - <br /> Xansas City.Missouri Denver,Colorado <br /> Los Angew,California <br />