Laserfiche WebLink
819 Striker Ave Ste 8 <br /> Sacramento,CA 95834 <br /> Sequoia (916)921-9600 <br /> FAX(916)921-0100 <br /> T4W Analytical www sequoialabs com <br /> G yan-Dublin Project Former Unocal 0187,Stockton,CA S302221 <br /> 674 terra Court,Ste J Project Number N/A Reported <br /> Dublin CA,94568 Project Manager Deanna L Harding 02/28/03 19 02 <br />.,asoline (2-Methylpentane to 1,2,4-Trimethylbenzene) and BTEX by EPA 8015M and 8021B - Quality Contr <br /> Sequoia Analytical - Sacramento <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Web 3020205-EPA 5030B(PIT <br />,aboratory Control Sample(3020205-BSI) Prepared&Analyzed 02/14/03 <br /> lenzene 101 050 ug/l 100 101 70-130 <br /> Toluene 986 050 too 99 70-130 <br /> 3thylbenzene 975 050 too 98 70-130 <br /> Kylenes(total) 294 050 300 98 70-130 <br /> Methyl ter/-butyl ether 114 20 too 114 70-130 <br /> Surrogate a,a a-Trifluorotoluene 102 100 102 60-140 <br /> Matrix Spike(3020205-MSI) Source 5302204-03 Prepared&Analyzed 02/18/03 <br /> Benzene 896 050 ug/I too ND 90 60-140 <br /> Toluene 9 18 050 loo ND 92 60-140 <br /> Ethylbenzene 934 050 100 ND 93 60-140 <br /> Xtotal) 28 7 0 50 300 ND 96 60-140 <br /> Me , tert-butyl ether 104 20 100 ND 101 60-140 <br /> Surrogate a ax-Tri/luorotoluene 897 100 90 60-140 <br /> Matrix Spike Du (3010205-MSDI) Source 5302204-03 Prepared&Analyzed 02/18/03 <br /> Benzene 877 050 ug/l too ND 88 b0 140 2 25 <br /> Toluene 9 1 1 050 too ND 91 60-140 08 25 <br /> Ethylbenzene 900 050 100 ND 90 60-140 4 25 <br /> Xylenes(total) 271 050 300 ND 90 60-140 6 25 <br /> Methyl ten-butyl ether 103 20 too ND 100 60-140 1 25 <br /> Surrogate a a a-Trifluorotoluene 876 100 88 60-140 <br /> Batch 3020224-EPA 5030B(P <br /> Blank(3020224-BLKI) Prepared&Analyzed 02/18/03 <br /> Purgeable Hydrocarbons ND 50 ugA <br /> Benzene ND 050 " <br /> Toluene ND 0 50 " <br /> Ethylbenzene ND 0 50 " <br /> Xylenes(total) ND 0 50 " <br /> Methyi tert-butyl ether ND 20 " <br /> Sa Analytical -Sacramento The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document Unless otherwise stated results are reported on a wet weight basis <br /> This analytical report must be reproduced in its entirety <br /> Page 26 of 33 <br />