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Sequoia Wain 94 98 <br /> (925)988-9600 <br /> • , w 2��, <br /> Analytical <br /> ter Ryan,Inc -Dublin Project Unocal <br /> 6747 Sierra Court Surte t Project Number Former Unocal#2859 Reported <br /> Dubin CA,94568 Project Manager Deanna L Hardtng 15-Aug-0010 43 <br /> Total Purgeable Hydrocarbons (C6-C12), BTEX and MTBE by DHS LUFT- Quality Control <br /> Sequoia Analytical -Walnut Creek <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result 4/cREC Limits RPD Limit Notes <br /> Batch OH14003-EPA 5030B(Pffl <br /> Blank(OH14003-BLK1) Prepared&Analyzed 14-Aug-00 <br /> Purgeable Hydrocarbons ND 50 ugA <br /> Benzene ND 050 " <br /> Toluene ND 050 " <br /> Fahylbenzene ND 050 " <br /> Xylenes(total) ND 050 " <br /> Methyl Cert bi tyl ether ND 25 " <br /> Surrogate 44a7Wfliorwohmne 32.3 300 108 70.130 <br /> LCS(OH14003 BSl) Prepared&Analyzed 14-Aug-00 <br /> Benzene 192 030 ugll 200 960 70-130 <br /> Toluene 193 050 200 965 70-130 <br /> Ethylbenzene 195 050 200 975 70-130 <br /> Cs(tow) 563 050 600 938 70-130 <br /> W9.0 44a-TYrjheorotohwne 278 " 300 927 70-130 T— <br /> Matrnx Spike(OH14003 MSl) Source W008163-04 Prepared&Analyzed 14-Aug-00 <br /> Benzene 18.9 050 vgll 200 ND 945 70-130 <br /> Toluene 190 050 200 ND 950 70-130 <br /> 8thylbenzene 190 050 200 ND 950 70-130 <br /> xylenes(total) 539 050 600 ND 998 70-130 <br /> 9—gate a,4a-Tn,Jhrorotohrem 274 " 300 913 70-130 <br /> Matrix Spike Dup(OH14003-MSD 1) Source W008163-04 Prepared do Analyzed 14-Aug-00 <br /> Benzene 16 8 050 ugn 200 ND $40 70-130 118 20 <br /> Tohlem 170 050 200 ND 950 70-130 111 20 <br /> Dhylbenzene 195 050 200 ND 975 70-130 260 20 <br /> Kylemes(tow) 552 050 600 ND 92.0 70-130 238 20 <br /> 9u70gare 44 a-Trifhmrotoheene 2&2 300 940 70-130 <br /> Bquola Anna ftcal-Walnut Creeds 77m resuhs in lids report apply to the anepias analyzed to accordaiwe with the chain of <br /> custody documerd Ms anatpOo l report must be reproduced in its entirety <br /> Page 13 of 17 <br />