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� r <br /> Gettler-Ryan/Geostrategies(1) , Project',Unocal(4) <br /> 6747 Sierra Court,Suite J, a ProjectNumber Former Unocal SS#0187 Reported <br /> Dublin CA,94568 ', Project Manager f Deanna Harding 05/30/01 13 32 <br /> r <br /> Total Purgeable Hydrocarbons (C6-C12), BTEX and MTBE by DHS LUFT - Quality Control <br /> Sequoia'Analytical - San Carlos <br /> Reporting Spike Source %REC RPD <br /> Analyte.. _ _ _r _ -'--;,Result -luno G Units - Level ` Result %REC _-.Limits __RPD Lmrt Notes <br /> Batch 1050119-EPA 5030B (PrD _ <br /> Prepared&Anal , <br /> Blank(1050119-BLK1) � P� Y� 05/26/01 <br /> Purgeable Hydrocarbons as Gasoline ND i Soo ug/l <br /> Benzene ND 0 500 <br /> Toluene ND 0 500 <br /> fl <br /> Ethyibenzene a ND 0 500 " <br /> Xylenes(total) ND 0 500 , <br /> Methyl tert-butyl ether " ND 500 - <br /> Surrogate aa a-Tlrifluorotoluene 918 100 918 70-130 <br /> LCS(1050119-BS1) Prepared&Analyzed 05/26/01 <br /> Benzene 934 0 500 ug/l 100 934 70-130 <br /> Toluene - - - 931 0 500 _ _ 100 - 93 1 70-130 <br /> -- Ethylbenzene^ - -'_ - -, 929-- 0 500 ' -" 10 0� - - 929 70-130 <br /> Xylenes(total) 281 0 500 300 937 70-130 <br /> Surrogate a a a-T rifluorotoluene If 1 1010 111 70-1.30 <br /> LCS(1050119-BS2) Prepared&Analyzed 05/26/01 <br /> Purgeable Hydrocarbons as Gasohne __261 50 0'ug/1 �250T'104 70-130- ___ <br /> _Surrogate a a a-TYrfluorotoluene_ -_ it S 10 4_ _ - _. .- ___I15 70-130_ <br /> _ Matrix Spike(1050119-MSI) r Source L105131-07 Prepared&Analyzed 05/29/01 <br /> Purgeable Hydrocarbons as Gasohne 247 500 ug/1 250 ND 98 8 60-140 <br /> Surrogate a a a-Triuorotoluene 951 " 100 951 70-130 <br /> Matrix Spike Du (1050119-MSD1) Source L105131-07 Prepared&Analyzed 05/29/01 <br /> Purgeable Hydrocarbons as Gasohrte 274 500 u9/1 250 ND 110 60-140 104 25 <br /> Surrogate a,a,a-Tr fluorotoluene '9 26 100 926 70-130 <br /> Sequoia Analytical- San Carlos fhe results in this report apply to the samples analyzed in accordance with the ch <br /> custody document Thus analytical report must be reproduced in its entirety <br /> Page 25 of 33 <br />