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<br /> CAMBRIA
<br /> Table i Additional Groundwater Analytical Data,Shell-branded Service Station,2575 Country Club Boulevard,Stockton,Cahforma
<br /> Sample Date Ethanol TBA DIPE ETBE TAME Methanol EDB Volatile Organics by EPA 8260
<br /> OWL) (ugIL) OWL) (!till-) (RgI ) (ug(L) WIL) (u91-)
<br /> MW-14 15 Apr-99 <3 000 <200 <2 00 <2 00 <2 00 <1,000 NA
<br /> MW 14 27-Jul-99 <1,000 X200 <2 00 <2 00 C2 00 <1000 NA
<br /> MW 14 28 Oct-99 <1 000 1200 <2 00 <2 00 <2 00 <1 000 NA
<br /> RW-lA 02-Sep-97 <1 000 000 1200 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 <2 000 <2 000 <2 000 82 000 NA
<br /> RW IA 29-Jan-98 <1 200,000 <250 000 <5 000 <5,000 <5 000 100,000 NA
<br /> RW lA 23-Apr-98 <5,000 <1000 QO <20 5 300 00 110 000 NA
<br /> RW IA 29-Jul-98 <1,250,000 <250000 <5,000 <5,000 <5,000 110000 NA
<br /> RW-JA 06-Oct 98 <1000 000 <200 000 <4,000 <4,000 4 300 98,000 NA
<br /> RW-lA 27-Jan-99 <2,500,000 <500,000 <10,000 <10,000 <10,000 180,000 NA
<br /> RW 1A 15 Apr 99 <3 000 000 <200,000 <2 000 <2 000 2200 49 000 NA
<br /> RW IA 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 <250 000 <2 500 <2,500 2 830 <l0 000 NA
<br /> RW-lA 28-Jan-00 <714 000 <143 000 <1 430 <1430 2 370 <10 000 NA
<br /> RW lA 18 Apr 00 <1000 000 <100,000 <2 000 <2 000 3,110 <20 000 NA
<br /> RW IA 28-Jul-00 NA NA <10,000 <10 000 <10 000 <20,000 <10,000 DIPE,TAME and EDB were analyzed outside of EPA
<br /> recommended hold time
<br /> RWAA 19 Oct-00 NA <62,500 <1250 <1250 <1,250 <101,000 NA DIPE TAME TBA and EPEE were analyzed outside of EPA
<br /> recommended hold time
<br /> RW lA 11-Jan-01 NA <20000 <200 <200 1,520 <500 NA
<br /> RW lA 12-Apr 01 NA <10000 <100 <100 1730 !20,000 NA
<br /> RW 1A 30-Oct-0I NA 14000 <200 <200 1300 <350000 NA
<br /> RW 1A 09-Jan-02 <2,000 11,000 <200 <200 1,900 <1,000,000 NA
<br /> RW-lA(DUP) 02 Sep 97 <1250,000 (150,000 <5 000 <5 000 <5,000 240,000 NA
<br /> Not detected except Benzene 14000 Toluene 18000,and Total
<br /> Xylenes 13000 ppb
<br /> RW-IA(DUP) 02 Dec-97 <620 000 <120,000 62,500 <2 500 <2 500 77,000 NA
<br /> Col Trans WeU Down,Country Club Plymouth
<br /> Cal Trans 05-Sep-97 <500 <100 <20 <2 0 <20 <1,000 NA Not detected except for Toluene 190 ppb
<br /> Cal Trans 02-pec-97 <500 <100 <20 <2 0 <20 <1000 NA
<br /> Cal Trans 29-Jan-98 <500 <100 <20 <2 0 <2 0 <1 000 NA
<br /> Cal Trans 23-Apr-98 <500 <100 <20 <2 0 <2 0 <1000 NA
<br /> Cal Trans 29 Jul 98 <500 <100 <20 <2 0 <2 0 <1 000 NA
<br /> Cal Trans 06-Oct-98 <500 <100 <20 <2 0 <2 0 <1,000 NA
<br /> Cal Trans 27-Jan-99 <500 <100 <20 <20 <20 <2 000 NA
<br /> Cal Trans 15-Apr-99 <3 000 <200 <2 00 <2 00 <2 00 <1000 NA
<br /> Cal Trans 27-Jul 99 <1000 <200 <2 00 <2 00 <2 00 <1 000 NA
<br /> Cal Trans 28 Oct-99 <1 000 <200 <2 00 <2 00 <2 00 <1 000 NA
<br /> Cal Trans 28-Jan W <1000 <200 <2 00 <2 00 <2 00 <1000 NA
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