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Sequoia 819 Straker Avenue Suite 8 <br /> Sacramento958 CA 95$34 <br /> (916) 921-9600 <br /> �„W Analytical FAX(9E6) 00 <br /> www sequotalabs alabs com <br /> Upgradient-Valley Springs Project J&L Market <br /> 336 Augusta Court Project Number N/A Reported <br /> Valley Springs CA 95252 Project Manager Vic Cherven 12/11/01 14 37 <br /> Total Petroleum Hydrocarbons as Gasolltne and BTEX by EPA 8015MJ8020M - Quality Control <br /> Sequoia Analytical - Petaluma <br /> Reporting Spike Source %R.EC RAD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 1110421 - EPA 5030,soils <br /> Blank(I 11042_1-_BLK1) Prepared&Analyzed 11/16/01 <br /> Gasoline(C6-C12) ND Y 1000 ug/kg - ---------- —���----- ____ <br /> Benzene ND 5 0 " <br /> Toluene ND 5 0 " <br /> Ethylbenzene ND 5 0 " <br /> Xylenes(total) ND 50 " <br /> Surrogate a a a-Trfluorotoluene 584 600 973 65-135 <br /> Surrogate 4-Bromofluorobenzene 658 600 110 65-135 <br /> LCS(1110421-BSI) _ ___ _ Prepared&Analyzed 11/16/01 _ <br /> Gasoline(C6-C 12) 5040 1000 ug/kg 5500 916 65-135 mm <br /> Benzene 69 0 5 0 660 105 6D-135 <br /> 9ne 371 5 0 " 397 935 65 135 <br /> benzene 88 5 5 0 92 0 962 65-135 <br /> Xylenes(total) 480 5 0 461 104 65-135 <br /> Surrogate a a a-Trfluorotoluene 590 600 98 3 65-135 <br /> Surrogate 4-Bromofluorobenzene 687 600 114 65-135 <br /> Matrix Spike(1110421-M_S1) Source 5111224-01 Prepared&Analyzed 11/16/01 <br /> Gasoline(C6-C 12) _ 4980 1000 ug/kg 5500 ND 89 5 65-135 <br /> Benzene 72 7 5 0 660 ND 110 65-135 <br /> Toluene 389 5 0 397 ND 980 65-135 <br /> Ethylbenzene 91 6 5 0 920 ND 996 65-135 <br /> Xylenes(total) 499 5 0 461 ND 108 65-135 <br /> Surrogate a a a-Trfluorotoluene 594 600 990 65-135 <br /> .Surrogate 4-Bromofluorobenzene 648 600 108 65-135 <br /> Matrix Spike Dup(111042.1-MSDI_) _ _ Source_S11122_4_-01 Prepared&Analyzed 11/16/01 <br /> Gasoline(C6-C12) Y 4840 1000 ug/kg 5500 ND 87 0 65-135 285 20 <br /> Benzene 727 5 0 660 ND 110 65-135 000 20 <br /> Toluene 393 5 0 397 ND 99 0 65-135 102 20 <br /> Ethylbenzene 93 5 5 0 92 0 ND 102 65-135 205 20 <br /> Xylenes(total) 506 5 0 461 ND 110 65-135 1 39 20 <br /> .)arrogate a a a-Trifluorotoluene 610 600 102 65-135 <br /> Surrogate 4 Bromofluorobenzene 634 600 106 0-135 <br /> oia Analytical - Sacramento The results in this report apply to the samples analyzed to accordance with the chain of <br /> custody document Thrs analytical report must be reproduced in rls entirety <br /> Page 16 of 18 <br />