Laserfiche WebLink
819 Striker Ave Ste 8 <br /> Sacramento,CA 95834 <br /> ` (916)921 9600 <br /> J [ FAX(916)921 0100 <br /> www sequoialabs corn <br /> Landau Associates Project Time Oil 5508342 <br /> 130 2nd Avenue South Project Number 231030 010 Reported <br /> Edmonds WA,98020 Project Manager Evelyn Albnght 08/25/05 08 24 <br /> Gasoline\BT EXI®xygenates by EPA method 8260B - Quality Control <br /> Sequoia Analytical - Sacramento <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br />'Batch 5080306-EPA 5030BJP/TJ /EPA 8260B <br /> Laboratory Control Sample(5080306-BSI) Prepared&Analyzed 08/22/05 <br /> Methyl tert-butyl ether 200 050 ug/I 200 100 60-140 <br /> Benzene 208 0 50 200 104 70-130 <br /> Toluene 199 050 200 100 70-130 <br /> Surrogate I2-DCA-d4 148 loo 148 60-140 Sol <br /> Essurrogate Toluene-d8 I1 9 „ 100 119 60-140 <br /> surrogate 4-BFB 7.55 100 76 60-140 <br /> Laboratory Control Sample(5080306-BS2) Prepared&Analyzed 08/22/05 <br /> ethyl tert-butyl ether 418 050 ug/I 432 97 60-140 <br /> enzene 226 050 268 84 70-130 <br /> Toluene 162 0 50 152 107 70-130 <br /> RkGasoline Range Organics(C4-C12) 2700 50 2200 123 70-130 <br /> 1 2-DCA-d4 176 100 176 60-140 Sol <br /> og--It: 7'oluene-d8 124 100 124 60-140 <br /> Surrogate 4-BFB 810 100 81 60-140 <br /> laboratory Control Sample Dup(5080306-BSD2) Prepared 08/22/05 Analyzed 08/23/05 <br /> ethyl tert-butyl ether 384 050 ug/I 432 89 60-140 8 25 <br /> Benzene 234 050 268 87 70-130 3 25 <br /> toluene 167 0 50 152 110 70-130 3 25 <br /> asoline Range Organics(C4-C12) 2680 50 2200 122 70-130 0 7 25 <br /> Surrogate 1 2-DCA-d4 169 100 169 60-140 Sol <br /> tragate Toluene-d8 12 7 100 127 60-140 <br /> rogate 4-BFB 7 93 100 79 60-140 <br /> r <br /> r <br /> .0 ota Analytical - Sacramento 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 1 1 of 12 <br />