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a ' <br /> t w <br /> i r <br /> t <br /> Gettler-Ryan/Geostrategies(l) Piroier-t Unocal(4) _ -77- <br /> 6747 Sierra Court,Suite J Project Nmnber Former Unocal SS#2859/1665 Pacific Ave Reported 4' <br /> Dublin CA,94568 P-ie"t+fiisager Deanna Harding 1 ' 06/21/01 12 03 <br /> Total Purgeable Hydrocarbons (C6-C12),BTEX and MTBE by DHS LUFT - Quality Control <br /> Sequoia Analytical- San Carlos <br /> Repmung space Source V.REC RPD <br /> Analyte w Result Limxt Units Level Result %REC Lmuts RPD LMA Notes <br /> Batch 1060070-EPA 5030B(P/T) <br /> Blank(1060070-BLK1) Prepared&Analyzed 06/16/01 <br /> Purgeable Hydrocarbons as Gasoline ND 50 ue <br /> Benzene ND 050 " <br /> Toluene ND 050 " <br /> Ethylbeazeae ND 050 " <br /> Xylenes(total) ND 050 " <br /> Methyl tert-butyl ether - _ ND 5 0 " <br /> Surrogate a,a,a-Tri luorotoluene 113 100 113 70-130 <br /> LCS(1060070-BS1) Prepared&Analyzed 06/16/01 <br /> Benzene 964 050 ug/1 100 964 70-130 <br /> -Toluene s_ - 923 050 " '100- - 923 70-130 <br /> Ethylbenzene 936 050 100 936 70-130 • <br /> Xylenes(total) 276 050 300 920 70-130 <br /> Surrogate a,a,a-Tnfluorotoluene 110 100 110 70-130 <br /> LCS(1060070-BS2) Prepared&Analyzed 06/16/01 <br /> --Purgeable Hydrocarbons as Gasoline - 250 —50--ug/1 250 100==70-130 - -- - <br /> Surrogate a a,a-Tr{/luorotoluene 114 100 114 70-130 <br /> Matrix S lke(1060070-MS1) Source.L106045-17 Prepared&Analyzed 06/16/01 <br /> —= Benzene=- � � =--- - r---- ---8 93z—r --0 50- =ug/1 - 10 0 `ND--- 89 3"--60-140-- <br /> T'I'M' <br /> "--60-140 Toluene 926 050 100 l 9 736 60-140 <br /> Ethylbenzcne 888 050 100 ND 988 60-140 <br /> Xylenes(total) 266 050 " 300 24 807 60-140 <br /> Surrogate a,a,a-Tnfluorotoluene 110 100 110 70-130 <br /> Matrix Spike Du (1060070-MSD1) Source.L106045-17 ared&Analyzed 06/16/01 <br /> Benzene 944 0 50 ' ugll 100 ND 944 60-140 555 25 <br /> Toluene 965 050 n 100 19 775 60-140 412 25 <br /> Ethylbenzene 928 050 100 ND 928 60-140 441 25 <br /> Xylenes(total) 277 050 300 24 843 60-140 405 25 <br /> Surrogate a a a-Tri luorotoluene 114 100 114 70-130 <br /> Sequoia Analytical-San Carlos The results in this report apply to the samples analyzed in accordance with the ch <br /> custody document This analytical report must be reproduced in its entirety <br /> Page 15 of 20 <br />