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Sequoia 819 Straker Avenue 958 4 <br /> Sacramento CA 95834 <br /> 45) (916)921-9600 <br /> 100 <br /> NO Analytical � `916'921 <br /> www sequotaiabs cam com <br /> 0 1 <br /> Upgradient-Valley Springs Project J& L/Market <br /> 336 Augusta Court Project Number NIA Reported <br /> Valley Springs CA 95252 Project(Manager Vic Cherven 12/11/01 14 37 <br /> Total Purgeable Hydrocarbons and BTEX by DHS LUFT - Quality Control <br /> Sequoia Analytical - Sacramento <br /> Reporting Spoke Source %REC RPD <br /> Anatyte Result Limit Units Level Result %REC Llml[5 RPD Limit Notes <br /> Batch 1110205- EPA 5030B(PIT) <br /> Blank(11_10205-BLK1)_ _ Prepared&Analyzed 11/15/01 <br /> Purgeable Hydrocarbons ND 50 ug/l <br /> Benzene ND 050 " <br /> Toluene ND 050 " <br /> Ethylbenzene ND 050 " <br /> Xylenes(total) ND 0 50 " <br /> Surrogate a a a-Trlluorotoluene 7J7 100 7-) 7 60-140 <br /> LCS(1110205-BSI) _ _ _ _ Prepared&Analyzed 11/15/01 _ <br /> Benzene _ 9 98 0 50 ug/l 10 0 99 8 70-130 <br /> Toluene 932 0 50 too 93 2 70-130 <br /> Ethylbenzene 896 0 50 10 0 896 70-130 <br /> &e-,(total) 280 0 50 30 0 93 3 70-130 <br /> Surrogate a a a-Triflerorotoluene 106 ' � 100 106 60-140 <br /> Matrix Spike(_1.110205-MSI)__ _ _ Source 5111219_-03 Prepared&Analyzed 11/15/01 _ <br /> Benzene 9 53 0 50 ug/l 100 ND 95 3 60-140 <br /> Toluene 906 0 50 too ND 906 60-140 <br /> Ethylbenzene 876 0 50 100 ND 87 6 60-140 <br /> Xylenes(total) 270 0 50 300 ND 90 0 60-140 <br /> Surrogate a a a-TriJluorotoluene 104 "W 100 104 60-140 <br /> Matrix Spike€aup(I I I0205-MSDI) Source S_11121_9-03 Prepared&Analyzed 1111 a/01 <br /> Benzene-- - u 926 YY 050 ug/l _ too ND 926 60-140 —2 87 --25 — -- — <br /> Toluene 862 050 too ND 862 60-140 498 25 <br /> Ethylbenzene 839 050 100 ND 83 9 60-140 431 25 <br /> Xylenes(total) 257 050 300 ND 85 7 60-140 4 93 25 <br /> Surrogate a a a-Tr�fluorotoluene 109 J 100 Y 109 60-140 - <br /> vola Analytical- Sacramento The results in this report apply to the samples analyzed to accordance with the chain of <br /> Gustody document This analyracal report must ire reyrpd;ovvd in its fntlraty <br /> Page 10 of IS <br />