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Sequoia 819 Striker Avenue,Suite 8 <br /> Analytical <br /> Sacramento, CA 95834 <br /> Analytical (916) 921-0100 <br /> JV FAX{916)921-01 QO <br /> --sequolalabs.corn <br /> i <br /> € 7C3330 <br /> Delta Environmental Consultants(Cameron Park <br /> Project: ARCO 5469,Stockton,CA <br /> Cameron Park Dr. Project Number: NIA <br /> ameron Park CA,95682 Reported. <br /> Project Manager: Jay Johnson <br /> 01/08/0110:32 <br /> Volatile Oxygenate Compounds by EPA Method 8260A - Quality Control <br /> Sequoia Analytical - Sacramento <br /> Analyte :: <br /> Reporting Spike Source %REC <br /> Result Limit Units Level Result %REC Limits RPD Limit Nott <br /> Batch 0120197-EPA 50308 P/Tj <br /> LCS(0120197-BSI) <br /> Methyl tett-butyl ether "—�` -_�_ug/1__ s0.0 Prepared&Analyzed: 12/17/00 <br /> 50.2 2.00 100 70 <br /> LCS Dup{0120197-BSD1) -130 <br /> Surrogate.'1,2-DCA-d4 51.4 <br /> 50.0 103 60-140 <br /> Methyl telt-buts[ether Prepared&Analyzed: 12/17/00 <br /> 53.2 2.00 ug/! 50.0 106 70-130 5.80 200 <br /> Surrogate:I,2-DCA-d4 53 2 <br /> S0.D 106 b0-140 <br /> Batch 01.20201-EPA 5030B [P/Tl <br /> Blank(0120201-BLKI) <br /> Tett-butyl alcohol Prepared&Analyzed: 12/I8/00 <br /> --— — -- — <br /> Methyl tent-butyl ether ND 200 ug/1ND <br /> 2.00 <br /> isopropyl ether ND <br /> 2.D0 " <br /> I tent-butyl ether ND <br /> 2.00 <br /> Tcrt-amyl methyl ether ND <br /> 2.40 ° <br /> Ethanol ",D �n�^ <br /> JVVV <br /> 1,2-Dichloroethane ND 2.00 " <br /> Ethylene dibromide ND <br /> 2.00 <br /> ---_—_— <br /> Surroga[e: 1,2-DCA-d4 50.0 <br /> �- <br /> LCS(0120201-BSI) 50.0 100 60-140 <br /> Methyl tert-butyl ether Prepared&Analyzed: 12/18/00 <br /> 50.8 2.00 ugg/l 50.0 102 70-130 <br /> Surraga[e:1,2-DCA-d4 511 <br /> 50.0 102 60-140 <br /> LCS DuA(0120201-$SD1) Prepared&Analyzed: 12/I8/00 <br /> Methyl Cert-buty[ether 52.6 2.00 ug/1 50.0 <br /> 105 70-13D 3.48 200 <br /> Surrogate:I,2-DC.4-d4 50.8 <br /> .50.0 102 60-T 40 <br /> �uoia Analytical- Sacramento <br /> The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document. This analytical report must be reproduced in its entirety, <br /> Page I 1 of 14 <br />