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DEC-16-98 WED 10:39 AM ACCULABS DAVIS FAX N0. 530 753 6091 P. 15/16 <br /> F <br /> i <br /> Acculabs Inc. December 16 , 1998 <br /> Sample Log 19384 <br /> QC Report for EPA 8020 & Modified EPA 8015 <br /> Run Log : 4179Q <br /> From : SL/Manteca (Pro] . # 17647) <br /> Samples) Received : 12/15/98 <br /> Matrix Spike <br /> Matrix Spike Duplicate <br /> Parameter $ Recovery Recovery RPD <br /> Benzene 98 98 0 <br /> Ethylbenzene 102 102 0 <br /> TPH as Gasoline 103 106 3 <br /> * RPD = Relative Percent Difference <br /> Parameter Laboratory Control Sample <br /> % Recovery <br /> Benzene 105 <br /> Ethylbenzene 107 <br /> Gasoline 113 <br /> Parameter Method Blank <br /> Benzene <0 .005 mg/Kg <br /> Toluene <0. 005 mg/Kg <br /> Ethylbenzene <0.005 mg/Kg <br /> Total Xylenes <0.005 mg/Kg <br /> TPH as Gasoline <1 .0 mg/kg <br /> I I <br /> Tom a <br /> kKwo : <br /> I I Lab Dizator <br /> I <br /> ,qi� I� li 'I I ifll <br /> I fl IIS it I I � II I <br /> I ' <br /> I I dl I EI I II IIV II I�I ii I II I' �I' i it i�i III IE i�l II if' i I� IEI IIlI II i I I' li li I s <br /> I I I' <br />