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Sequoia Walnut Cr�9 <br /> (925)988 9Gp <br /> N+W+ p <br /> �,ID� Analytical FAX(925) " <br /> w.scRuo�:Babscom <br /> ba.00m <br /> Gettler Ryan,Inc -Dublin Project Unocal <br /> 6747,Sierra Court Suite J Project Number Former Unocal#2859 Reported <br /> Dublin CA,94568 Project Manager Deanna L Harding 15-Aug-00 10 43 <br /> Total Purgeable Hydrocarbons (C6-C12),BTEX and MTBE by DHS ]LUFT- Quality Control <br /> Sequoia Analytical -Walnut Creek <br /> Reportmg Spike Source %REC RPD <br /> Analyte Result Lunt Units Level Result IAREC Lumts RPD Lunit Notes <br /> Batch OH11003-EPA 5030B[PIT] <br /> Blank(OH11003-BLKI) Prepared tit Analyzed I IAug-00 <br /> Purgaabla Hydrocarbons ND 50 U94 <br /> Benzene ND 050 " <br /> Toh=c ND 050 " <br /> Ethylbenzene ND 050 " <br /> Xylenes(torsi) ND 050 " <br /> Methyl tert-butyl ether ND 25 " <br /> Swrvgase a4%a-7Wfhwrosohwne 32.0 300 107 70.130 <br /> LCS(OH11003-BSl) _ Prepared&Analyzed 11 Aug-0O-. <br /> Benzene 190 050 ug/1 200 950 70-130 <br /> Tohene _ 194 050 " 200 970 , 70-130 _ <br /> Ethylbenzenne 196 050 200 980 70-130 . <br /> Xylenes(fatal) 563 050 600 938 70.130 <br /> Surrogate ggo-Tnfhtorotohtene 2&0 300 933 70.130 <br /> Matrix Spike(OH11O03-MSI) Source W008212-02 Prepared&Analyzed 11-Aug-00 <br /> —Benzene 1&7.0 50=ug/1 20 0 ND- 93 570-130 = _ <br /> Toluene 1&9 050 200 ND 945 70-130 <br /> �EthylbmzaneT.-T--- ---_ ��19 0-—0 50 "_=-- 20 0.__- ND�95 070-130 <br /> Xylenes(total) 548 050 600 ND 913 70-130 <br /> St—ogase masa-Trifhrorotohr ne - - - 279 - - - -"-- - -300 - - —930 70.130 -- - -- - - <br /> Matrix Spike Dup (OHI1003-MSD!) Source W008212-02 Prepared&Analyzed ll-Aug-00 <br /> Benzene 186 050 ug/l 200 ND 930 70-130 0 536'° 20 <br /> Tohmm 189 050 " 200 ND 943 70-130 0 20 <br /> Ethylba4zeste 191 050 200 ND 955 70-130 0 525 20 <br /> Xylenes(tate!) 547 050 600 ND 912 70.130 0 183 20 <br /> i <br /> Sm7ogase ast *-TY•lfluorwohwm 28.3 3aO 943 70.130. <br /> .Stt1013 Analytltnll-Walnut Creek l The rssXlts in this rop0n trpply to the amrtples mwlyred hr accordance with the char0f <br /> custody docmem This anm5ecal report naist be reproduced in its endray 0 <br /> i <br /> Page 12 of 17 <br />