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i <br /> 404 N 'Wlget lane <br /> W�nu <br /> �„ F t Creek CA 94598 <br /> _Sequoia '' ' <br /> (925)98&9600 FAX(925)988-9673 <br /> Analytical ' <br /> www sequ°lalabs com <br /> +• of � fit 'S �Y to 1 F � <br /> Gettler Ryan,Inc -Dublin Protect Tosco <br /> 6747 Sierra Court Suite 7 Project Number Tosco#11194 Reported <br /> Dublin CA,94568 Project Manager Doug Lee , 04-Ian-01 10 30 <br /> Total Purgeable Hydrocarbons by DHS LUFT - Quality Control <br /> i j <br /> - Sequoia Analytical -Walnut CCeek.P <br /> Reporting I Spike Source ` O oREC RPD <br /> Analyte Result Luna Units Level Result ,%REC Limits RPD Linut Notes <br /> Batch OL24002-EPA 5030B [PIT] r <br /> Blank(OL24002-BLKI) Prepared&Analyzed 24-Dec-00 <br /> Purgeable Hydrocarbons ND 50 ug/1 <br /> Benzene ND 050 " <br /> Toluene ND 050 " <br /> Ethylbenzene ND 050 r <br /> 4 <br /> Xylenes(total) <br /> ND 050 <br /> Surrogate q 4a-Trfuorotoluems r 35_1 , - � _ , 300 _ 117 70-130 <br /> i <br /> LCS(OL24002-BSI) Prepared&Analyzed 24-Dec-00 L <br /> -Benzene 176 0 50 r"` ug/1 -1200 , 1 4 w 88 0 70-130 <br /> Toluene 176 050 200 1880 70-130 �. <br /> Ethylbenzene 174 0 50 t 200 87 0 70-130 <br /> Xylenes(total) - 5W 050 y 600 862 70-130 - <br /> Surrogate a,q a-Tn luorololuene 291 " 300 970 70.130 <br /> Matrix Spike(OL24002-MSI) Source W012314-04 Prepared&Analyzed 24-Dec-00 <br /> Benzene 172 050 ug/l 200 ND 860 70-130 <br /> Toluene-173_ 0_50 200 ND 865 70-130 <br /> Ethylbenzene _ - Yry� - __ --- - 17-1 050 - 200 —N15 __855_70-130—'- - --V- - -- <br /> Xylenes(total) --- _ - ------ T�_51 50 " - - 600 ND` 852 70-130 <br /> Surrogate qqa-Tnfluorotoluene 1291 300 r 970 70-130 <br /> Matrix Spike Dup (OL24002-MSD1) - Source W012314-04 ' Prepared&Analyzed 24-Dec-00 _f <br /> Benzene 183 050 ug/1 200 ND 915 70-130 620 20 <br /> Toluene 184 050 200 ND 920 70-130 616 20 <br /> Ethylbenzene 182 650 200 ND 910 70-130 623 20 <br /> Xylenes(total) 541 050 " 600 ND 902 70-130 570 20 <br /> Surrogate q q a-Th luorololuene 303 300 101 70-130 <br /> I <br /> L <br /> Sequoia Analytical-Walnut Creek The results to lhts report apply 10 the samples analyzed in accordance with the chaiin <br /> custody document Tits analytical report must be reproduced in its entt <br /> Page 11,of 25 <br />