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- — --►=Dor-����tiA 404 N .CA 9 598 <br /> Walnut Creek.CA 94598 <br /> --(925)988-9600-- <br /> Analytical FAX(925)%S-%73n <br /> 88-96 rn <br /> Gettler Ryan,Inc -Dublin Project Unocal � <br /> 6747 Sierra Court Suite J Project Number Unocal# 1205 Reported <br /> Dublin CA,94568 Project Manager Deanna L Harding 08-Feb-01 07 55 <br /> Total Purgeable Hydrocarbons (C6-C12),BTEX and MTBE by DHS LUFT - Quality Control <br /> Sequoia Analytical-WainufCreek----- <br /> Reports g Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Liuuts RPD Lizait Notes <br /> Batch IA19001-EPA 5030B[Pfn <br /> Blank(lA19001-BLKI) Prepared&Analyzed 19-Jan-01 <br /> Purgeable Hydrocarbons ND 50 ugll <br /> Benzene ND 0 50 " <br /> Toluene ND 050 " <br /> Ethylbenzene ND 050 " <br /> Xylenes(total) ND 050 " <br /> Mdhyl teat-butyl ether ND 25 " <br /> Surrogate 44a-Tnfluorotohuene 307 300 102 70-130 <br /> LCS(1A19001-BSI) Prepared*Analyzed 19-Jan-01 <br /> Benzene 184 0 50 ugli 200 920 -70-130 <br /> Toluene 19 4 0 50 200 970 70-130 <br /> Ethylbenzene 206 0 50 200 103 70-130 <br /> Xylenes(toW) 615 0 50 600 103 70-130 <br /> Surrogate 99 -Trifluorotoluene 28.7 300 9S7 70-130 <br /> Matrix Spice(IA19001 MSI) Source W10118545 Prepared&Analyzed 19-Jan-01 <br /> Benzene 181 050 ug/l 200 ND 1905 70-130 <br /> Toluene 201 050 200 060 975 70-130 <br /> Ethylbenzene 208 050 200 ND 104 70-130 <br /> Xylenes( ) 630 050 600 074 104 70-130 <br /> Surrogate gao-Trufluorotohrene 319 300 106 70.130 <br /> Matrix Spike Dup(1A19001-MSD1) Source W101185-05 Prepared&Analyzed 19-Jan-01 <br /> Benzene 189 050 U911 200 ND 945 70-130 432 20 <br /> Toluene 209 050 200 060 101 70-130 3 42 20 <br /> Ethylbenzene 215 0 50 200 ND 108 70-130 331 20 <br /> Xylenes(total) 650 0 50 600 074 107 70-130 3 13 20 <br /> Surrogate %zka-Tr7fZuoraoluene 333 300 111 70-130 <br /> Sequoia Analytical-Walnut Creek The results in flus report apply to the samples analwed in accordance with the char <br /> custody document This anat3mcal report must be reproduced to its entlr <br /> Page 9 of 14 <br />