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CAMBRIA
<br /> Table l Additional Groundwater Analytical Data,Shell-branded Service Station,2575 Country Club Boulevard,Stockton,California
<br /> Sample Date Ethanol TBA RIPE ETBE TAME Methanol EDB Volatile Organics by EPA 8260
<br /> (Ag/L) (991L) OWL) (,LgfL) WIL) O g[L) (9911-) OU91L)
<br /> i
<br /> MW 14 29 Jul 98 <500 <100 <20 <2 0 <20 <1 000 NA
<br /> MW-14 06-Oct-98 <500 <100 C2 D <2 0 <2 0 <I 000 NA
<br /> MW-14 27-Jan-99 <500 <100 <2 0 <20 <2 0 <2 000 NA
<br /> MW-14 15 Apr-99 <3,000 1200 <2 00 <2 00 <2 00 <1000 NA
<br /> MW 14 27-Jul-99 <1 000 <200 <2 00 <2 00 <2 00 <1 000 NA
<br /> MW-14 28-Oct 99 <1000 <200 <2 00 <2 00 <2 00 <1,000 NA
<br /> RW IA 02-Sep-97 <1000,000 <200 000 <4,000 <4 000 <4 000 280,000 NA Not detected except Benzene 13000 Toluene 15000 and Total
<br /> Xylenes 9400 ppb
<br /> RW-lA 02-Dec-97 <500,000 <100,000 <2000 !2,000 <2000 92,000 NA
<br /> RW-lA 29-Jan-98 <1 200 000 <250,000 <5000 <51000 <5000 100000 NA
<br /> RW 1A 23 Apr-98 <5,000 <1,000 <20 CLO 5 300 00 110,000 NA
<br /> RW IA 29-Jul-98 <1 250,000 <250 000 <5 000 <5,000 <5 000 110 000 NA
<br /> RW-iA 06-Oct-98 <1 000 000 <200 000 <4 000 <4,000 4,300 98 000 NA
<br /> RW IA 27-Jan-99 <2,500,000 <500 000 <10,000 <10000 <10 000 180,000 NA
<br /> RW 1A 15-Apr 99 <3 000 000 <200,000 02 000 <2 000 2,200 49 000 NA
<br /> RW lA 27-Jul-99 <1 250 000 <250,000 <2,500 <2 500 4,040 15 200 NA
<br /> RW IA 28-Oct-99 <1 250 000 1250 000 <2 500 <2,500 2 830 <10000 NA
<br /> RW-lA 28-Jan-00 <714 000 <143,000 <1 430 <1 430 2 370 <10000 NA
<br /> RW-lA 18-Apr 00 <1,000000 <100,400 01,000 <2000 3,110 020000 NA
<br /> RW lA 28-Jul-00 NA NA <10,000 <10 000 <10000 <20,000 <10,000 DQE TAME and EDB were analyzed outside of EPA
<br /> recommended hold tune
<br /> RW-IA 19 Oct-()0 NA <62,500 <1 250 <1 250 <1,250 <101 000 NA DIPE TAME TBA and ETBE were analyzed outside of EPA
<br /> recommended hold time
<br /> RW lA 11 Jan-0I NA <20000 <200 <200 1 520 <500 NA
<br /> RW-lA 12-Apr-Ol NA <10000 <100 <100 1730 020000 NA
<br /> RW-lA 30.Oct-0l NA 14,000 <200 <200 1300 <350,000 NA
<br /> RW-lA 09-1an-02 <2000 11,000 <200 <200 1900 <1,000000 NA
<br /> RW-lA 11-Oct-02 NA 5,900 <100 <100 860 <10,000 NA
<br /> Not detected except Benzene 14000 Toluene 19OW and Total
<br /> RW IA(DUP) 02-Sep-97 <1 250 000 0250000 <51000 <5,000 <5,000 200000 NA Xylenes 13000 ppb
<br /> RW-IA(DUP) 02-Dec 97 <620,000 <120,000 <2 500 Q,500 02,500 77 000 NA
<br /> Cal Trans WeA Down,Country Club Plymouth
<br /> Cal Trans 05-Sep-97 <500 <100 <20 <20 <20 <1,000 NA Not detected except for Toluene 190 ppb
<br /> Cal Trans 02-Dec 97 <500 <100 110 <2 0 <2 0 <1 000 NA
<br /> Cal Trans 29-Jan-98 <500 <100 <2 0 <2 0 C2 0 <1000 NA
<br /> Cal Trans 23-Apr 98 <500 <100 <2 0 <20 <2 0 <1000 NA
<br /> Cal Trans 29-Jul-98 <500 <100 <20 <20 <20 <1000 NA
<br /> Cal Trans 06-Oct-98 <500 <100 <20 <20 <2 0 <1 000 NA
<br /> Cal Trans 27-Jan-99 <500 <100 <2 0 <2 0 <2 0 <2,000 NA ,
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