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Mar-02-99 11 : 14A Pinnac/o/le/EMCON i r 1a <br /> i- <br /> C���Oa 680 Chesapeake Drive Redwood Ctry,CA 94063 (650)364-9600 FAX(650)364-92.33 <br /> `} 404 N.Wlget Lane Walnut Creek,CA 94598 (925)988-9600 FAx(925)988-9673 <br /> } 8t9 Striker Avenue,Suite 8 Sacramento,CA 95634' (916)921-9600 FAX(916)921-0100 <br /> Analytical 1455 McDowell 81vd.North.Ste.D Petaluma GA 94954 (707)792-1865 fAX{707}792-0342 <br /> Pinnacle-C.P. Project: Arco 548,Stockton,CA Sampled: 10126/98 to 10/27/98 <br /> 3939 Cambridge Road,Ste.220 Project Number: N/A Received: 10/28/98 <br /> Cameron Park,CA 95182 Project Mana tr: Mark Ca"S Re orted: 11111198 <br /> Volatile Organic Compounds by EPA Method:8260A <br /> Sequoia Analytical-Sacramento <br /> Batch Date Date Surrogate 'Reporting <br /> Anal c Number Prepared Ana! zed Limits Limit Result Units Notes• <br /> 5810323-05 Soil <br /> Tert-amyl methyl ether 8110105 1119/98 11!9198 0.100 ND mg/kg <br /> Surrogate: 1,2-DCA-0 60.0-140 94.0 4G, <br /> AS-2(31_5) 5810323-06 S31il <br /> Ethanol 8110105 11/9198 11/9,+98 150 ND mg/kg <br /> Tert-bu(yi alcohol 1OA ND " <br /> Metbyl tert-butyl ether 0.100 1.21 <br /> Di-isopropyl ether 0.100 ND <br /> Ethyl tert-butyl ether "' " 0.100 ND <br /> Tert-amyl methyl ether „ 0,100 ND - <br /> Surrogate: 1,2-DCA-d4 60.0-140 7R-4 3r <br /> AS-2(36.51 S8. 031 23-07 <br /> ! Ethanal 8110105 1119/98 11/9198 150 ND mgfkg <br /> 1 Tert-butyl alcohol „ „ 10.0 ND <br /> ' Methyl tert-butyl ether 0.100 0.388 . <br /> Ai-isopropyl ether 0.100 ND ' <br /> Ethyl tert-butyl ether 0.100 ND <br /> Tert-amyl mcthyl ether 0.100 ND " <br /> Surrogate: 1,1-DCA-d4 60.0-140 54.0 % 3 <br /> AS-2( 11-5]_ SS1fl323-D8 <br /> Ethanol 8110107 11110/98 11/10/98 150 ND mg/kg <br /> Teri-butyl alcohol 10.0 ND " <br /> Methyl tert-butyl ether 0.100 ND ' <br /> Di-isopropyl ether •' 0.100 ND <br /> Ethyl tert-butyl ether 0.100 ND <br /> ( 0.100 ND <br /> Tert-amyl methyl ether <br /> ., <br /> Surrogate: 1,2-DCA-d4 60.0-140 104 9F <br /> I 21,5,2(61.51 ;?$111�3J42 <br /> Ethanol 8110107 11/10/98 11/10198 150 ND mg/kg <br /> Tert-butyl alcohol 10.0 ND <br /> 0'100 ND <br /> Methyl tert-butyl ether <br /> Di-isopropyl ether 0.100 ND <br /> 0.100 ND <br /> Ethyl tert-butyl ether <br /> ' <br /> 1 Tert-amyl methyl ether 0.100 ND <br /> Surrogate. 1,2-DCA-d4 60.0-140 90.8 % <br /> � SR 10323-10 511 <br /> i Ethanol 81 t0105 1119/98 11/9/98 150 ND mg/kg <br /> 'Refer ro end of report for text of notes and defrni(ions <br /> Sequoia Anatytical ;;;acramento - <br /> Page G of 1.2 <br /> Ronald W Bobel,Client Services Representative <br /> l , <br /> f s <br />