Laserfiche WebLink
a- ) (409)1885A Drive <br /> Sequoia Morgan Rill,l.CCA 95037 <br /> 776-9600 <br /> Analytical FAX(409)782-6308 <br /> www.sequoialabs,rom <br /> Secor-Rancho Cordova(ARCO) Project:ARCO#4932,Stockton,CA MOG0595 <br /> 3017 Kilgore Rd.Suite 100 Project Number:GOC8D-0001 Reported: <br /> Rancho Cordova CA,95670 Project Manager:Clinton Harms 08/01/05 11:10 <br /> Volatile Organic Compounds by EPA Method 8260B-Quality Control <br /> Sequoia Analytical- Morgan Hill <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 5G25012-EPA 5030B PIT/EPA 8260B <br /> Laboratory Control Sample Dup(5G25012-BSDI) Prepared&Analyzed:07/25/05 <br /> tert-Amyl methyl ether 10.5 0.50 ug/l 10.0 105 80-115 4 I S <br /> Benzene 10.3 0.50 10.0 103 65-115 7 20 <br /> tett-Butyl alcohol 49.6 20 50.0 99 75-150 9 25 <br /> Di-isopropyl ether 9.36 0.50 10.0 94 75-125 5 15 <br /> 1,2-Dibromoethane(EDB) 8.93 0.50 10.0 89 85-120 5 15 <br /> 1,2-Dichloroethane 8.48 0.50 10.0 85 85-130 12 20 <br /> Ethanol 127 100 200 64 70-135 8 35 HM <br /> Ethyl tert-butyl ether 9,37 0.50 10.0 94 75-130 6 25 <br /> Ethylbenzene 8.82 0.50 10.0 88 75-135 0.1 15 <br /> Methyl tert-butyl ether 9.39 0.50 10.0 94 65-125 2 20 <br /> Toluene 9.15 0.50 10.0 92 85-120 3 20 <br /> AlIhXylencs(total) 26.8 0,50 30.0 89 85-125 8 20 <br /> urrogate:1,1-Dichloroethane-d4 5.07 5.00 101 60-135 <br /> Matrix Spike(5G25012-MSI) Source:MOG0595-01 Prepared&Analyzed:07/25/05 <br /> Benzene 258 25 ugfl 304 ND 85 65-115 <br /> Ethylbenzene 356 25 392 ND 91 75-135 <br /> Methyl tert-butyl ether 1890 25 480 1700 40 65-125 LN <br /> Toluene 1630 25 1640 20 98 85-120 <br /> Xylenes(total) 2000 25 1920 43 102 85-125 <br /> Gasoline Range Organics(C4-C12) 23900 2500 22000 1800 100 70-124 <br /> Surrogate:1,2-Dichloroethane-4 5.19 5.00 146 60-135 <br /> Matrix Spike Dup(5G25012-MSD1) Source:MOG0595-01 Prepared&Analyzed:07/25/05 <br /> Benzene 252 25 U94 304 ND 83 65-115 2 20 <br /> Ethylbenzene 336 25 392 ND 86 75-135 6 15 <br /> Methyl tert-butyl ether 2130 25 480 1700 90 65-125 12 20 <br /> Toluene 1640 25 1640 20 99 85-120 0.6 20 <br /> Xylenes(total) 1800 25 1920 43 92 85-125 11 20 <br /> Gasoline Range Organics(C4-C 12) 24000 2500 22000 1800 101 70-124 0.4 20 <br /> Surrogate:1,1-Dichloroethane-d4 6.08 5.00 122 60-135 <br /> Sequoia Analytical -Morgan Hill The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document.Unless otherwise state[t results are reported on a wet weight basis. <br /> This analytical report must be reproduced in its entirety. <br /> Page 21 of 27 <br />