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885 Jarvis Drive <br /> Sequoia Morgan Hill, CA 95037 <br /> (408) 776-9600 <br /> I%ff Analytical FAX(408) 782-6308 <br /> 9 <br /> Blame Tech Services(Shell) Project Shell Sampled 919199 <br /> 1680 Rogers Avenue Project Number 34l East Main St Received 9/10/99 <br /> San Jose,CA 95112 Project Manager Ann Pember Re orted 10/I199 <br /> t—__ v Total Purgeable Hydrocarbons(C6-02),BTEX and MTBE by DHS LUFT/Quality Control <br /> Sequoia Analytical-Morgan Hill Y ! <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> Analyte Analyzed Level Result Result Units Recov Limits % Limit % Notes* <br /> Batch 9090564 Date Prepared 9/20/99 Extraction Method EPA 5030B FPM <br /> Blank 9090564-BLKI <br /> Purgeable Hydrocarbons 9120199 ND ug/l 50 0 <br /> Benzene " ND 0 500 <br /> Toluene ND 0 500 <br /> Ethylbenzene ND 0 500 <br /> Xylenes(total) ND 0 500 <br /> Methyl tert-butyl ether _ ND _" 250 _ <br /> Surrogate a a,a-Trrfluorotoluene to10 0 9 60 700-130 960 <br /> LCS 9090564-BSI <br /> Benzene 9120199 10 0 960 ug/l 700-130 960 <br /> Toluene 10 0 753 700-130 753 <br /> Ethylbenzene 10 0 930 700-130 Q30 <br /> lenes(total) 300 _ 281 700-130 93_7-T ___ <br /> rrogate a,a,a-Triuorotoluene l0 0 9 70 700-130 970 <br /> Matrix Spike 9090564-MS1 M909321-04 <br /> Renzene 9120199 10 0 ND 750 ug/l 600-140 750 <br /> Toluene 10 0 ND 930 600-140 93 0 <br /> Ethylbenzene 10 0 ND 9 20 600-140 920 <br /> Xylenes(total) 300 ND 28 6 60 0-140 _953 <br /> Surrogate a aa-Trii luorotoluene 1110 0 9 10 to 700-130 910 <br /> Matrix Spike Dup 9090564-MSDI M909321-04 <br /> Benzene 9/20199 10 0 ND 760 ug/l 60 0440 760 25 0 132 <br /> Toluene 10 0 ND 940 600-140 940 250 107 <br /> Ethylbenzene 100 ND 950 600-140 950 25 0 321 <br /> Xylenes(total) 300 ND 284 to 600-140 947 25 0 0 632 <br /> Surrogate a a,a-Trifluorotoluene 10 0 960 700-130 960 <br /> Batch 9090624 Date Prepared 9121194 Extraction Method EPA 5030E FP/Tl <br /> Blank 9090624-BLKI <br /> Purgeable Hydrocarbons 9121199 ND ug/l 50 0 <br /> Benzene ND 0 500 <br /> Toluene 1. ND 0 500 <br /> Ethylbenzeneto ND 0 500 <br /> Xylenes(total) ND 0 500 <br /> Methyl tert-butyl ether _ ND 2 50 <br /> Surrogate a,a a-Trifluorotoluene 100 I1 1 70 U-13U III <br /> 0 <br /> Sequoia Analytical-Morgan Hill *Refer to end of report for text of notes and definitions <br /> aa Page 6 of 12 <br />