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1 titin Il I I1L <br /> {.li IIII <br /> w; -_,}n ill Y tica <br /> URS Corporation rArcoI] Project ARCO-46100 Tracey CA <br /> 2870 Gateway Oaks Dr Ste 300 Project Number GOC l Y-0010 <br /> Sacramento CA,95833 Project Managcr Jay Johnson 11/29/f1 I n <br /> Volatile Organic Compounds by EPA Method 8260B - Quality Control <br /> Sequoia Analytical - Morgan Hill <br /> Reporting Spike Source %REC MID <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit <br /> Batch 5K22019- EPA 50351 EPA 8260E <br /> Blank(5K22019-BLK1) Prepared&Analyzed 11/22/05 <br /> tort-Amyl methyl ether ND 00050 m:Jkg <br /> Benzene ND 0 0050 " <br /> tert-Butyl alcohol ND 0 020 <br /> DI-isopropyl ether ND 00050 <br /> l 2-Dibromoethane(EDS) ND 00050 " <br /> I 2-Dichloroethane ND 00050 <br /> Ethanol ND 010 " <br /> Ethyl tent-butyl cthcr ND 00050 <br /> Ethylbenzene ND 00050 " <br /> Methyl tert-butyl cthcr ND 00050 <br /> Toluene ND 00050 <br /> 41 (total) ND 00050 <br /> asolin --- <br /> asolme Range Orglnacs(C4-C12) ND 0 l0 <br /> Sari ogatc 1 2-Diclilorocthane d4 000368 000500 74 60-125 <br /> Laboratory Control Sarn_p[e(5K22019-BS1) Prepared&Analyzed 11/22/05 <br /> tert-Amyl methyl ether 00163 00050 mg/kg 00150 109 80-130 <br /> Benzene 000519 00050 000516 101 65-125 <br /> teri-Butyl alcohol 0 158 0 020 0 143 Ito 80 165 <br /> Di isopropyl ether 00160 00050 G0151 106 85-115 <br /> 1 2-Dibromoethane(EDB) 00166 00050 00149 1 1 1 85-130 <br /> 1 2-Dichloroethane 00171 00050 00147 116 63-124 <br /> Ethanol 0146 010 0142 103 35-150 <br /> Ethyt tert-butyl ether 00162 00050 00150 108 80-125 <br /> - Ethylbenzene - - -000662 - 0 0070 -— 000754 88 80-135 <br /> Methvt tert-buivl ether 000803 00050 000702 114 75-115 <br /> Toluene 00345 00050 00372 93 85-125 <br /> Xvlenes(total) 00380 00050 00412 92 90-140 <br /> Gasoline Range Organics(C4-C12) 0 520 010 0 440 Its 53-126 <br /> Surrogate 12 DIChl0r0clhane-d4 - - 0 00453 00000 00 91 60-125 <br /> Sequoia Analytical - Morgan Hill Tl;c resirlls in ihts report apply to Mc.samples anals_cd Tri crccarda,he a i1tr rlre < <br /> crntodt document Unless otheni ise stated resuks are reported un it 11 Lr n, ,! <br /> This analytical report must be reproduced in Its entireft <br />