Laserfiche WebLink
4D (916) <br /> 819 Sen , Ave Ste 8 <br /> Sequoia Sacramentoto,CA 95$34 <br /> 921 9600 <br /> TAWAnalytical FAX(916)921-0100 <br /> www sequoialabs com <br /> ler-Ryan-Rancho Cordova Project Former Unocal 0187,Stockton,CA S301506 <br /> 40 Gold Camp Dr,Ste 170 Project Number N/A Reported <br /> Rancho Cordova CA,95670 Project Manager Geoffrey D Risse 02/06/03 18 03 <br /> Gasoline (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 /> Batch 3010538-EPA 5030B(PIT) <br /> Laboratory Control Sample(3010538-BS1) Prepared&Analyzed 01/30/03 <br /> Surrogate a a a-Tri luorotoluene 101 ug/l 100 101 60-140 <br /> Laboratory Control Sample(301053&BS2) Prepared&Analyzed 01/31/03 <br /> Benzene 105 050 ug/l 100 105 70-130 <br /> Toluene 105 050 100 105 70-130 <br /> Ethylbenzene 105 050 100 105 70-130 <br /> Xylenes(total) 31 8 050 300 106 70-130 <br /> Methyl tert-butyl ether 882 20 100 88 70-130 <br /> Surrogate a a a-Tr fluorotoluene 100 100 100 60-140 <br /> -oratory Control Sample(3010538-BS3) Prepared&Analyzed 02/05/03 <br /> �zene T 102 050 ug/i 100 102 70-130 <br /> Toluene 101 050 100 101 70-130 <br /> Ethylbenzene 102 050 100 102 70-130 <br /> Xylenes(total) 305 050 300 102 70-130 <br /> Methyl tert-butyl ether 851 20 100 85 70-130 <br /> Surrogate a a a-Tnfluorotoluene 974 100 97 60-140 <br /> Matrix Spike(3010538-MSI) Source 5_301531-07 Prepared&Analyzed 01/31/03 <br /> Benzene 101 050 ug/1 100 ND 101 60-140 <br /> Toluene 101 050 10 0 ND 98 60-140 <br /> Ethylbenzene 972 050 10 0 ND 97 60-140 <br /> Xylenes(total) 308 0 50 300 ND 101 60-140 <br /> Methyl tert-butyl ether 6 67 2 0 100 ND 67 60-140 <br /> Surrogate a a a-Triuorotoluene 960 100 96 60-140 <br /> Matrix Spike Dup(3010538-MSD1) Source 5301531-07 Prepared&Analyzed 01/31/03 <br /> Benzene 102 050 ug/1 100 ND 102 60-140 1 25 <br /> Toluene 103 050 10 0 ND 100 60-140 2 25 <br /> Ethylbenzene 100 050 10 0 ND 100 60-140 3 25 <br /> Xylenes(total) 318 050 300 ND 105 60-140 3 25 <br /> oia 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 7 of 9 <br />