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885 <br /> is Drive <br /> Sequoia Morgan Hill,CA 95037 <br /> a_ _� (408)► Analytical FAX(408)782-6308 <br /> www se uoialabs corn <br /> Secor-Rancho Cordova Project ARCO#2133,Rancho Cordova,CA <br /> 3017 Kilgore Rd Suite 100 Project Number ARCO#2133,Racho Cordova,CA Reported <br /> Rancho Cordova CA,95670 Project Manager Rusty Benkosky 10/21/02 17 13 <br /> Total Purgeable Hydrocarbons(C6-C10) by EPA 8015B modified,BTEXM by EPA 8021B- Quality Control <br /> Sequoia Analytical-Morgan Hill <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit /Units Level Result %REC Limits RPD Limit Notes <br /> Batch 2JO8001-EPA 5030B[PIT] <br /> Matnx Spike Dup(2J08001-MSD1) Source MLI0799-01 Prepared&Analyzed 10/08/02 <br /> Gasoline Range Organics(C6-C10) 407 50 ug/1 550 ND 740 60-140 824 25 <br /> Benzene 5 21 050 660 ND 78 9 60-140 739 25 <br /> Toluene 35 0 050 397 ND 88 2 60-140 743 25 <br /> Ethylbenzene 7 59 050 9 20 ND 81 3 60-140 8 82 25 <br /> Xylenes(total) 35 4 0 50 46 1 ND 76 8 60-140 14 2 25 <br /> Surrogate a a a-Trtuorotoluene 790 100 79 0 70-130 <br /> Batch 2JO8003-EPA 5030B [P/TJ <br /> Blank(2J08003-BLK1) Prepared&Analyzed 10/08/02 <br /> Gasoline Range Organics(C6-C10) ND 50 ug/l <br /> Benzene ND 050 " <br /> Toluene ND 050 " <br /> thylbenzene ND 050 " <br /> ylenes(total) 0 650 050 Q-19 <br /> Methyl tert-butyl ether ND 25 " <br /> Surrogate a a a-Trfluorotoluene 9 93 10 0 993 70-130 <br /> LCS(2J08003-BSI) Prepared&Anal ed 10/08/02 <br /> Benzene 8 92 050 U911 10 0 892 70-130 <br /> Toluene 9 19 050 10 0 919 70-130 <br /> Ethylbenzene 906 050 100 906 70-130 <br /> Xylenes(total) 264 050 300 880 70-130 <br /> Surrogate a s a-Trtfluorotoluene 915 700 915 70-130 <br /> LCS.(2J08003-BS2) Prepared&Analyzed 10/08/02 <br /> Gasoline Range Organics(C6-C10) 209 50 ug/l 250 83 6 70-130 <br /> Surrogate a a a-Trtfluorotoluene 109 11100 109 70-130 <br /> equoia Analytical-Morgan Hill The results in this report apply to the samples analyzed m accordance with the chain <br /> of custody document This analytical report must be reproduced in its entirety <br /> 13 of 15 <br />