Laserfiche WebLink
1455 McDowell Blvd,North Ste D <br /> Sequoia Petaluma,CA 94954 <br /> (707)742-iB6565 <br /> Analytical FAX(707)slabs c 42 <br /> www sequoialabs corn <br /> I <br /> URS Corp-Sacramento Project Arco Site 6020,Manteca,CA P502227 <br /> 2870 Gateway pales Drive Suite 300 Project NumbReportederintrim-506$1 I <br /> Sacramento CA,95833 Project Manager Vernon P Elarth 02/26/05 14 14 <br /> Volatile Organic Compounds by EPA Method 8260B - Quality Control <br /> I <br /> Sequoia Analytical -Petaluma <br /> Reporting Spike Source °/6REC RPD <br /> Analyte Result Limit Units Level Result °/.REC lAmrts RPD Lmit Notes <br /> Batch 5020319-EPA 5030B waters/EPA 8260B <br /> Matrix Spike(5020319-MSI) Source P502227-01 Prepared&Analyzed 02/25/05 <br /> Tert-amyl methyl ether 568 10 UO Soo ND 114 78-117 <br /> Benzene 470 050 Soo ND 94 81-118 <br /> Tert-butyl alcohol 108 20 100 ND 108 60-147 <br /> Di-isopropyl ether 4 88 1 0 500 ND 98 70-125 <br /> 1,2-Dibromoethane(EDB) 586 050 " 500 ND 117 85-125 <br /> 1 2-Dichloroethane 698 050 500 ND 140 77-126 LM <br /> Ethanol 910 100 t00 ND 91 55-200 <br /> Ethylbenzene 507 050 500 ND 101 89-122 <br /> Ethyl tert-butyl ether 5 39 10 Soo ND 108 71-120 <br /> Methyl tert-butyl ether 5 85 050 500 ND 117 70-122 <br /> Toluene 500 0 50 500 ND 100 84-119 <br /> Xylenes(total) 153 050 150 ND 102 86-132 <br /> Surrogate Dibromofluoromethane 587 II 5 00 117 84-122 <br /> Surrogate 12 Dichloroethane-0 643 500 129 74-135 <br /> Surrogate Toluene-d8 520 5 00 104 84-119 <br /> Surrogate 4-Bromofluorobenzene 499 5 00 100 86-119 <br /> Matrix Spike Dup(5020319-MSDI) Source P502227-01 Prepared&Analyzed 02/25/05 <br /> Tert-amyl methyl ether 576 1 0 ug/1 5 00 ND 115 76-117 1 20 <br /> Benzene 4 73 050 500 NO 95 81-118 0 6 20 <br /> Tert-butyl alcohol 113 20 100 ND 113 60-147 5 20 <br /> Di-isopropyl ether 508 10 500 ND 102 70-125 4 20 <br /> 1,2-Dibromoethane(EDB) 5 83 050 500 ND 117 85-125 0 5 20 <br /> 1,2-Dichloroethane 691 050 Soo ND 138 77-126 1 20 LM <br /> Ethanol 914 100 100 ND 91 55-200 0 4 20 <br /> Ethylbenzene 5 19 0 50 Soo ND 104 89-122 2 20 <br /> Ethyl tert-butyl ether 5 56 1 0 Soo ND 111 71-120 3 20 <br /> Methyl tert-butyl ether 6 05 050 " 500 ND 121 70-122 3 20 <br /> Toluene 4 96 0 50 " 500 ND 99 84-119 08 20 <br /> Xylenes(total) 15 3 050 150 ND 102 86-132 0 20 <br /> Surrogate Dibromofluoromethane 6 04 500 121 84-122 <br /> Surrogate 12 Dichloroethane-d4 6 72 500 134 74-135 <br /> Surrogate 7'oluene-d8 5 37 Soo 107 84-119 <br /> Surrogate 4-Bromofluorobenzene 544 500 109 86-119 <br /> Sequoia Analytical-Petaluma 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 17 of 18 <br />