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CAMBRIA _
<br /> Table 1 Afthonal Groundwater Analytical Data,Shell-branded Service Station,2575 Country Club Boulevard,Stockton,California
<br /> Sample Date Ethanol TBA DIPE ETBE TAME Methanol EDB Volatde Organics by EPA 8260
<br /> (119/) (A91L) (fig[-) (1<gn-) (,agn-) (rig/-) (lig/-) (ASIL)
<br /> MW-14 27-Jan-99 <500 <100 <20 <20 <20 <2 000 NA
<br /> MW-14 15-Apr-99 <3,000 <200 <2 00 <2 00 <2 00 <1000 NA
<br /> MW-14 27-Jul-99 <1,000 <200 1200 <200 <200 <1000 NA
<br /> MW-14 28 Oct-99 <1000 <200 <200 <200 <200 <1,000 NA
<br /> RW-lA 02 Sep-97 <1 000 000 <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-Dee 97 <500 000 <100,000 <2,000 <2,000 <2 000 82 000 NA
<br /> RWAA 29-Jan-98 <1 200 000 <250 000 <5 000 <5 000 <5 000 100 000 NA
<br /> RW 1A 23-Apr 98 <5,000 <1000 <20 <20 5,30000 110,000 NA
<br /> RW-lA 29-Jul 98 <1 250 000 <250,000 <5,000 <5,000 <5,000 110000 NA
<br /> RW-IA 06-Oct-98 <1 000,000 <200,000 <4 000 <4,000 4 300 98 000 NA
<br /> RW lA 27 Jan-99 <2 500 000 15001000 <10,000 <10,000 <10,000 180000 NA
<br /> RW lA 15 Apr-99 <3,000,000 0200,000 <2,000 <2,000 2200 49 000 NA
<br /> RW lA 27-Jul-99 <1250 000 <250000 <2,500 <2,500 4,040 15,200 NA
<br /> RWAA 28-Oct 99 <1 250 000 <250 000 <2 500 <2,500 2,830 <1000D NA
<br /> RW 1A 28 Jan 00 <714,000 <143,000 <1,430 <1,430 2 370 <10 000 NA
<br /> RW IA 18 Apr-00 <1 000,000 <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 /> RW IA 19 Oct-00 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-IA Il-Jan-01 NA <20000 0200 <200 1520 <500 NA
<br /> RW IA 12 Apr-0I NA <10,000 <100 <100 1,730 <20,000 NA
<br /> RW IA 30-Oct-01 NA 14 000 <200 <200 1 300 <350 000 NA
<br /> RWAA 09-Jan-02 <2 000 11 000 <200 1200 1900 <1 000 000 NA
<br /> RW 1A 18 Jul 02 NA 2,100 <20 <20 15 11,000 NA
<br /> RW-IA(DUP) 02 Sep-97 <1 250 000 <250 000 <5 000 <5 000 <5 000 240 000 NA Not detected except Benzene 14000 Toluene 18000 and Total
<br /> Xylenes 13000 ppb
<br /> RW-IA(DUP) 02-Dec 97 <620,000 <120,000 <2,500 <2 500 <2 500 77 000 NA
<br /> i
<br /> i
<br /> Cal Trans WeADown,Country Club @ Plymouth
<br /> Cal Trans 05 Sep-97 <500 <100 <2 0 <2 0 <2 0 <1,000 NA Not detected except for Toluene 190 ppb
<br /> Cal Trans 02 Dec 97 <500 <100 <2 0 <2 0 <2 0 <1,000 NA
<br /> Cal Trans 29-Jan-98 <500 <100 <2 0 <2 0 <2 0 <1 000 NA
<br /> Cal Trans 23 Apr-98 <500 <100 <2 0 <2 0 <2 0 <1 000 NA
<br /> Cal Trans 29 Jul-98 <500 <100 <2 0 <2 0 <2 0 <1 000 NA
<br /> Cal Trans 06-Oct-98 <500 <100 <2 0 <2 0 <2 0 <1 000 NA
<br /> Cal Trans 27 Jan 99 <500 <100 <2 0 <2 0 <2 0 <2 000 NA
<br /> Cal Trans 15-Apr-99 <3 000 0200 <2 00 <2 00 <2 00 <1 000 NA
<br /> Cal Trans 27-Jul 99 <1,000 <200 <2 00 <2 00 <2 00 <1000 NA
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