Laserfiche WebLink
085 776-96 Dr <br /> Sequoia Morgan RU) ICA5 5037 <br /> 600 <br /> Analytical FAX 782 6308 <br /> www sequoiequoralabs coin <br /> Secor-Rancho Cordova(ARCO) Project ARCO#!4932,Stockton,CA MNG0370 <br /> 3017 Kilgore Rd Suite 100 Project Number 63964 Reported <br /> Rancho Cordova CA,95670 Project Manager Rusty Benkosky 07/20/04 09 33 <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 Nates <br /> Batch 4G17001 -EPA 5030B PIT <br /> Laboratory Control Sample(4G17001-BSZ) Prepared&Analyzed 07/17/04 <br /> Gasoline Range Organics(C4-C12) 349 50 ug/l 440 79 70-124 <br /> Surrogate I 1-Dichloroethane-d4 5 18 500 104 78-129 <br /> Laboratory Control Sample Dup(4G17001-BSD1) Prepared&Analyzed 07/17/04 <br /> tert-Amyl methyl ether 936 050 ug/l 100 94 82-140 1 20 <br /> Benzene 929 050 100 93 69-124 0 9 20 <br /> tert-Butyl alcohol 510 20 500 102 56-131 9 20 <br /> Di-isopropyl ether 110 0 50 10 0 110 76-130 4 20 <br /> 1 2-Dibromoethane(EDB) 109 050 100 109 77-132 0 20 <br /> 1,2-Dichloroethane 105 050 10 0 105 77-136 6 20 <br /> Ethanol 206 100 200 103 31-143 0 5 20 <br /> Ethyl tert-butyl ether 9 54 050 10 0 95 81-121 0 20 <br /> Ethylbenzene 102 050 too 102 84-132 6 20 <br /> Methyl tert-butyl ether 8 96 050 100 90 63-137 4 20 <br /> Toluene 9 81 050 100 98 78-129 0 6 20 <br /> Xylenes(total) 327 050 300 109 83-137 4 20 <br /> Surrogate 12-Dichloroethane-d4 5 01 5 00 100 78-129 <br /> Laboratory Control Sample Dup(4G17001-BSD2) Prepared&Analyzed 07/17/04 <br /> Gasoline Range Organics(C4-C 12) 429 50 ug/I 440 98 70-124 21 20 QC21 <br /> Surrogate 1 2-Dichloroethane-d4 4 89 5 00 98 78-129 <br /> Matrix Spike(4G17001-MSI) Source MNG0241-09 Prepared 07/17/04 Analyzed 07/18/04 <br /> Benzene 248 25 ug/l 320 ND 78 69-124 <br /> Ethylbenzene 377 25 348 ND 108 84-132 <br /> Methyl tert-butyl ether 1000 25 496 590 83 63-137 <br /> Toluene 1490 25 1480 ND 101 78-129 <br /> Xylenes(total) 1910 25 1680 ND 114 83-137 <br /> Gasoline Range Organics(C4-C12) 21700 2500 22000 ND 99 70-124 <br /> Surrogate 1 2-Dichloroethane-d4 4 92 500 98 78-119 <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 stated results are reported on a wet weight basis <br /> This analytical report must be reproduced in its entirety <br /> Page 6 of l l <br />