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<br /> CAMBRIA
<br /> Table 1. Additional Groundwater Analytical Data,Shell-branded Service Station,2575 Country Club Boulevard,Stockton,California
<br /> Sample Date DIPE ETBE TAME TBA Methanol Ethanol EDB Volatile Organics by EPA 8260
<br /> (ILA) (l+g-) (►ice-) (>tg(L) WIL) (Ag/ ) (►i.) (til/-)
<br /> MW-14 06-Oct-98 4 0 <2 0 <2 0 <100 <1,000 <500 NA
<br /> MW-14 27-Jan-99 4 0 4 0 4 0 <100 4,000 <500 NA
<br /> MW-14 15 Apr-99 4 00 4 00 4 00 400 <1,000 <3,000 NA
<br /> MW-14 27-Jul-99 4 00 <2 00 4 00 <200 <1,000 <1,000 NA
<br /> MW-14 28-Oct-99 4 00 <200 4 00 400 <1,000 <1,000 NA
<br /> RW-IA 02Sep-97 <4,000 <4,000 <4,000 Q00 000 280,000 <1,000,000 NA Not detected except Benzene 13000,Toluene 15000 and Total
<br /> Xylenes 9400 ppb
<br /> RW-IA 02-Dec-97 <2,000 41000 4,000 <100,000 82,000 <500,000 NA
<br /> RW-IA 29-Jan-98 <5,000 <5,000 <5,0W 450,000 100,000 <1720000 NA
<br /> RW-IA 23-Apr-98 40 40 5,30000 <1,000 110,000 <51000 NA
<br /> RW-IA 29-Jul-98 <5,000 <5,000 <5,000 450,000 110,000 <1,250,000 NA
<br /> RW-IA 06-Oct-98 <4,000 <4,000 4,300 400,000 98,000 <1,000,000 NA
<br /> RW-lA 27-Jan-99 <10 000 <10,000 <10,000 <500 000 180,000 4 500,000 NA
<br /> RW-IA 15-Apr-99 4,000 <2,000 2,200 400,000 49,000 <3,000,000 NA
<br /> RW-IA 27-Jul-99 <2,500 4,500 4,040 450,000 15,200 <1,250,000 NA
<br /> RW-IA 28-Oct-99 4,500 4,500 2,830 450,000 <10,000 <1,250,000 NA
<br /> RW-IA 28-Jan-00 <1,430 <1430 2,370 <143,000 <10,000 1714,000 NA
<br /> RW-IA 18-Apr-00 4,000 4,000 3,110 <100,000 x0,000 <1,000,000 NA
<br /> RW-IA 28-Jul-00 <10 000 <10,000 <10,000 NA 40,000 NA <10 000 DIPE,TAME,and EDB were analyzed outside of EPA
<br /> recommended hold time
<br /> RW-lA 19-Oct-00 <1,250 <1,250 <1,250 <62,500 <101,000 NA NA DIPE,TAME,TBA,and ETBE were analyzed outside of EPA
<br /> recommended hold Ume
<br /> RW-IA 11-Jan-01 400 400 1,520 x0,000 <5 00 NA NA
<br /> RW-IA 12-Apr-01 <100 <100 1,730 <10,000 <20,000 NA NA
<br /> RW-lA 30-Oct-01 400 400 1,300 14,000 <350,000 NA NA
<br /> RW-IA 09-Jan-02 400 400 1,900 11,000 <1,000,000 4,000 NA
<br /> RW-IA li-0ct-02 <100 <100 860 5,900 <10,000 NA NA
<br /> RW-IA 06-Jan-03 <25 45 380 1,700 4,500 NA NA
<br /> RW-1A 10-Apr-03 <50 <50 540 3,700 <10,000 NA NA
<br /> RW-lA 17-Jul-03 <80 <80 130 4,200 <500 NA NA
<br /> RW-1A 16-Sep-03 <400 <400 470 2,%0 41000 NA NA
<br /> RW-tA(DUP) 02-Sep-97 <5,000 <5 000 <5,000 1250 000 240,000 <1,250,000 NA Not detected except Benzene 14000 Toluene 18000,and Total
<br /> Xylenes 13000 ppb
<br /> RW-1A(DUP) 02-Dec-97 4,500 4,500 4,500 <120,000 77,000 <620,000 NA
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