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404 N Wiget Lane <br /> Sequoia Walnut Creek, CA 94598 <br /> 4 <br /> 4D Analytical (925}988-9673 <br /> FAX(925)988-9673 <br /> low <br /> Gettler Ryan,Int, -Dublin Project Unocal <br /> 6747 Sierra Court Suite J Project Number Unocal#8671 Reported <br /> Dublin CA, 94568 Project Manager Deanna L Harding 18-Nov-99 49 20 <br /> - Volatile Organic Compounds by EPA Method 8260A - Quality Control - <br /> Sequoia Analytical - Walnut Creek <br /> Reporting Spike Source %REC RPD <br /> Andlyte Result Limit Units Level Result %R11C Limits RPD Limit Notes <br /> Batch 9KO5025 Prepared 04-Nov-99 Using EPA 5030B [PIT] <br /> r <br /> Blank(9K05025-BLK2) <br /> tert Butyl alcohol ND too Uel <br /> Methyl tert-butyl ether ND 20 <br /> Dr-isopropyl ether ND 20 " <br /> F'thv]tert-butyl ether ND 20 <br /> t,rt-.tutivl niethvl ether ND 20 <br /> Siwrogafe DrbronroJluorourefhane 580 Soo 116 50-150 <br /> Srirrogafe 1 2-Drchloroethane-rid 570 500 11 d 50-150 <br /> Blank(9KII5025-BLK3) <br /> tort-Butyl alcohol ND 100 ugH <br /> Vleth%I tett-hutvl ether ND 20 " <br /> Di isopropyl ether s \D 20 . <br /> Ethyl ten-hutvl ether ND 20 " <br /> tcrt-AintI u-cthNl ether ND 20 <br /> Swrovalc Drhrurnofluorourefhant 560 500 112 50-150 <br /> Sarrol'o[c-1 2-Drchloroe[hane-r1451 0 500-- 102-50-150 <br /> LCS (9 K05025-BS2) <br /> \Irthsl tr_rt-butyl zth'i� -- _--- _- SU 7 -- --- 20 �itg11-�� 500 - 101 70-I30- -- _ T --- - <br /> - Sruxr�rr[c Drbionlrfluwomi-thane ---"— <br /> Surro\a[t 1 2-Drchloroctlrain dd 560 Soo 112 50-150 <br /> LCS (9K(15025-BS3) <br /> kkiliN I tart-hutvl ether _ 548 20 tie] _ 500 110 70 130 <br /> Swrus�afe Dibruuwfluoromelhant Sd!1 Silo 1(hY 511-1511 <br /> Sw)o arf. 1 2-Dichluroe.lham dl dJ 0 500 91S 11 50-150 <br /> Matrix Spilt.(9K05025-MSI) SuurLfW910530-01 <br /> \IcthtI tart bitty)clltcr ---�5l 0 20 �ue/] _ 500 ND 102 60-150 �- - -- — <br /> Srnro�ult DrhrunrnllrrurYnntllrrrnc -- 5b0 ----- -- 500 -�� 112----50-1511 -- -_--� T --- - <br /> Srnrrr�rur 1 2 010r1U1Ut11rrrrll rid 540 5110 10 SIJ 151) <br /> Sequoia Analytical - Walnut Creek 7hc i-eviln in da mixirt apply re.)the uwrple t tuurlti_ed rnmcorclunce with the clrnn o <br /> cusfruly document r1ot amilvircul report inuv be reprrxlucedin m enure* <br /> i <br /> J111i Feg ey, Prolec I a-mg Y Pagt4 7 o 9 <br />