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Sequoia ram819 StnSte 8 <br /> ka) Se Sacentolo,,CA CA 95834 <br /> (916)921 9600 <br /> jib I%WAnalytical FAX(916)911 <br /> www segaocalahs com cam <br /> *er-Ryan-Dublin Project Former Unocal 5098,Stockton, CA S302592 <br /> Sierra Court, Ste J Project Number N/A Reported <br /> D,bl,n CA,94568 Project Manager Deanna L Harding 03/10/03 17 17 <br /> Volatile Organic Compounds by EPA Method 8260B- Quality Control <br /> Sequoia Analytical - Sacramento <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %PEC Limits RPD Limit Notes <br /> 1 <br /> atch 3030057-EPA 5030B JP/TJ <br /> Blank(3030057-BLKI) Prepared 03/05/03 Analyzed 03/06/03 <br /> chloroethene ND 050 ug/l <br /> ichlorofluoromethane ND 050 <br /> 4 <br /> 1,2,3-Tnehioropropane ND 1 0 " <br /> 2,4-Trimohylbenzene ND 050 " <br /> 3,5-Tnmethylbenzene ND 050 " <br /> nyl chloride ND 050 " <br /> Xylenes(total) ND 050 <br /> rrogate 12 DCA-d4 275 250 110 60-140 <br /> Surrogate Debromofluoromethane 267 250 107 70-130 <br /> togate <br /> 1 2-DCA-d4 175 250 110 70-130 <br /> ogate Toluene d8 298 250 119 70-130 <br /> Surrogate 4-BFB 249 250 100 70-130 <br /> W011tory Control Sample(3030057-SSI) Prepared 03/05/03 Analyzed 03/06/03 <br /> Benzene 239 050 ug/1 25 0 96 70-130 <br /> t <br /> lorobenzene 270 050 25 0 108 70-130 <br /> -Dichloroethene 226 050 250 90 70-130 <br /> Toluene 290 050 250 116 70 130 <br /> 9 ichloroethene 21 0 0 50 25 0 84 70-130 <br /> Surrogate 1 2-DCA-d4 26 1 250 104 60-140 W <br /> rrogate Dibiomofluoronrethane 246 250 98 70-130 <br /> o ogaie 1 2-DCA-d4 26 1 " 2.50 104 70-130 <br /> arrogate Toluene-d8 288 250 115 70-130 <br /> Surrogate 4-BFB 256 250 102 70-130 <br /> tatrix S ike 3030057-NISI Source 5302588-03 Prepared 03/05/03 Analyzed 03/06/03 <br /> "h <br /> nzene 23 7 050 ug/l 25 0 ND 95 60-140 <br /> hlorobenzene 25 9 050 25 0 ND 104 60-140 <br /> ,l-Dichloroethene 222 050 25 0 ND 89 60-140 <br /> 'toluene 27 8 050 250 ND IH 1 60-140 <br /> tchloroethene 20 6 050 250 ND 82 60-140 <br /> Surrogate 12-DCA-d4 269 250 108 60-140 <br /> is Analytical -Sacramento The results in this i epos 1 apply to the samples analyzed in accordance with the chain of <br /> custody document Unless orhe",ise stated i esults m e reported on a wet weight bases <br /> This analytical report must be i epr oduced in its entirety <br /> Page 115 of 126 <br />