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\S, l u iti Ili cu <br /> Sequoia 11111 -7 <br /> ).011'; 0110 <br /> 7S i <br /> iial ti a3 ae <br /> I \\14M)i1_ IIti <br /> URS Corporation rAicoiI Project ARCO#6100 Tracey,CA MOh0797 <br /> 2870 Gateway Oaks Dr Ste 300 Project Number GOC 1 Y-0010 RL poi 1i <br /> Sacramento CA,95833 Project Manager Jay Johnson 1!!29/OD 14 4 <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 Levei Result %REC Limits RPD Linin I�, <br /> Batch 5K18030-EPA 5035/EPA 8260E <br /> Blank(5K18030-BLKt) _ Prepared&Anllyzed 11/18/05 _- <br /> tern-Amyl methyl ether ND 00050 mg/kg <br /> Benzene ND 00050 <br /> tert-Butyl alcohol ND 0 020 <br /> Di-Isopropyl ether ND 00050 <br /> 1,2-Dibrornoethane(EDB) ND 00050 <br /> 12-DWIlloroethane ND 000Y) <br /> Ethanol ND 010 " <br /> Ethyl tert-butyl ether ND 00050 " <br /> Ethylbenzene ND 00050 <br /> Methyl tert-butyl ether ND 00050 " <br /> Tohllne ND 000500 " <br /> renes(total) ND 00050 <br /> spline Range Orgames(C4-C 12) ND 010 <br /> Suirogate 12-Dichloroethenre-d4 000381 000500 76 60-125 <br /> Laboratory Control Sample(5K18030-BSI) Prepared&Analyzed 11/18/05 _ - - <br /> tert-Amyl methyl ether 00157 00050 mg/kg 00150 105 80-130 <br /> Benzene 000495 00050 000516 96 65-125 <br /> Cert-Butyl`alcohol 0 150 0 020 0 143 105 80-165 <br /> DI-isopropyl ether 00155 00050 00151 103 85415 <br /> 1 2 Dibromoethane(EDB) 00155 00050 00149 104 85-130 <br /> 1 2-Dichloroethane 00161 00050 00147 110 63-124 <br /> Ethanol 0752 - 010 0142 107 35-150 1C <br /> Ethvl tert-buivl ether 00158 00050 00150 105 80-125 <br /> Ethvlbenzene 000662 00050 000754 88 80-135 <br /> Methyl tert-butvl ether 000756 00050 000702 108 75-115 <br /> Toluene 00340 00050 00372 91 85-125 <br /> Xy lenes(total) 00389 0 00.)0 0 0412 94 80-140 <br /> Gasohne Range Organics(C4-C 12) 0 506 0 10 0 440 115 53-126 <br /> Surrogate 12-Dichlorar_tharrc-d4 000437 000500 87 60-125 <br /> Sequoia Analytical -Morgan Hill The results in this report applt to the samples unaly--ed in accordance ,i rrlr 11e, ch v W <br /> ctntodv documcni Unless ofhen+rse stated results are reporred ori a a c1„c i,lrr lit' <br /> IsThis anahtical report must he reproduced in its enurcn <br /> P��,c 7 of 9 <br />