Laserfiche WebLink
Sequoia 885 Jarvis Drive <br /> Morgan Hill,CA 95037 <br /> Analytical (408)776-9600 <br /> } FAX(408)782-6308 <br /> www.sequoialabs.com <br /> E <br /> F28870 <br /> Corporation[Arco I) Project:ARCO 92168,Stockton,CA <br /> Gateway Oaks Dr.,Ste 300 ProjectNumber:GOC81-0010MOK0608 <br /> mento CA,95833 Reported: <br /> Project ManagerNernon P.Elarth 11/28/05 15:08 <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 ]Votes <br /> Batch 5K16007-EPA 50351 EPA 8260B <br /> Blank(5K16007-BLKI) Prepared&Analyzed: I I/16105 <br /> tert-Amyl methyl ether ND 0.0050 mg/kg <br /> Benzene ND 0.0050 <br /> tert-Butyl alcohol ND 0.020 " <br /> Di-isopropyl ether ND 0.0050 " <br /> 1,2-Dibromoethane(EDB) ND 0.0050 <br /> 1,2-Dichloroethane ND 0.0050 <br /> Ethanol ND 0.10 " <br /> Ethyl tent-butyl ether 1C <br /> ND 0.0050 <br /> Ethylbenzene ND 0.0050 " <br /> Methyl tert-butyl ether ND 0.0050 " <br /> Toluene ND 0.0050 " <br /> Xylenes(total) ND 0.0050 " <br /> a Gasoline Range Organics(C4-C12) ND 0.10 " <br /> Surrogate:l,2-Dichloroethane-d4 0,00490 " 0.00500 98 60-125 <br /> Laboratory Control Sample(5K16007-BSI) Prepared&Analyzed: 11/16/05 <br /> tert-Amyl methyl ether 0.0158 0.0050 mg/kg 0.0150 105 80-130 <br /> Benzene 0.00511 0.0050 0.00516 99 65-125 <br /> tert-Butyl alcohol 0.145 0.020 0.143 101 80-165 <br /> Di-isopropyl ether 0.0161 0.0050 0.0151 107 85-115 <br /> 666 1,2-Dibromoethane(EDB) 0.0160 0.0050 0.0149 107 85-130 <br /> 1,2-Dichloroethane 0.0180 0.0050 0,0147 122 63-124 <br /> Ethanol 0.196 0.10 0.142 138 35-150 IC <br /> Ethyl tert-butyl ether 0.0162 0.0050 0.0150 108 80-125 <br /> Ethylbenzene 0.00727 0.0050 0.00754 96 80-135 <br /> Methyl tert-butyl ether 0.00825 0.0050 " 0.00702 118 75-115 HL <br /> Toluene 0.0320 0.0050 0.0372 86 85-125 <br /> Xylenes(total) 0.0398 0.0050 0.0412 97 80-140 <br /> Gasoline Range Organics(C4-C12) 0,514 0.10 0.440 117 53-126 <br /> Surrogate:1,2-Dichloroethane-d4 0.005320.00500 106 60-125 t <br /> • H i <br /> 50(lLOla Analytical-Morgan H111 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 5 of 9 <br />