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CAMBRIA
<br /> Table 1 Additional Groundwater Analytical Data,Shell-branded Service Station,2575 Country Club Boulevard,Stockton,Califortua
<br /> Sample Date Ethanol TBA DIPE ETBE TAME Methanol EDB Volatile Organics by EPA 8260
<br /> OWL) (Agt ) (ttg'L) (AgIL) OWL) (l<gR-) (AgIL) (1+F/-)
<br /> MW-14 27-Jan-99 <500 <100 <2 0 <2 0 <20 <2 000 NA
<br /> MW 14 15-Apr-99 <3,000 1200 12 00 <2 00 <2 00 <1 000 NA
<br /> MW-14 27-Jul 99 <1 000 1200 12 00 <2 00 <2 00 <1 000 NA
<br /> MW-14 28-Oct-99 <1,000 <200 12 00 <2 00 <2 00 <1,000 NA
<br /> RW-lA 02 Sep-97 <1000 000 <200 000 <4 000 <4 000 <4 000 280 000 NA Not detected except Benzene
<br /> Xylenes 00 13000
<br /> Toluene 15000,and Total
<br /> Y ppb
<br /> RW IA 02 Dec-97 <5001000 <100 000 <2,000 <2 000 <2 000 82 000 NA
<br /> RW-1A 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 530000 110 000 NA
<br /> RW-lA 29-Jul 98 <1,250000 <250 000 <5 000 <5 000 <5 000 110 000 NA
<br /> RW-lA 06-Oct 98 <1,000000 1200000 <4,000 <4,000 4,300 98,000 NA
<br /> RWA A 27 Jan-99 <2 500,000 <500,000 <10 000 <10000 <10 000 180 000 NA
<br /> RW-IA 15 Apr 99 <3,000,000 12110 000 <2 000 <2 000 2200 49 000 NA
<br /> RW IA 27-Jul-99 <1,250 000 <250 000 <2 500 12 500 4 040 15 200 NA
<br /> RW-lA 28 Oct-99 <1250 000 <250 000 <2 500 <2,500 2 830 <10,000 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 <1000000 <100,000 <2,000 <2,000 3,110 <20,000 NA
<br /> RW-lA 28-Jul-OO NA NA <10000 <10 000 <10,000 <20,000 <10,000 DIPS TAME and EDB were analyzed outside of EPA
<br /> recommended hold time
<br /> RW IA 19-Oct-00 NA <62,500 4,250 <1 250 <1,250 <101 000 NA DUPE TAME TBA,and ETRE were analyzed outside of EPA
<br /> recommended hold time
<br /> RW-IA II-Ian-0I NA <20000 <200 <200 1570 <500 NA
<br /> RW-lA 12-Apr-01 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 /> RW-lA 09-Jan-02 <2 000 11,000 1200 1200 1,900 <l,000 000 NA
<br /> RW-1A 01-May-02 NA 5,200 <200 <200 910 <200,000 NA
<br /> RW-lA(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 130W ppb
<br /> RW IA(OUP) 02-Dec 97 <620 000 <120 000 <2 500 <2 500 <2 500 77,000 NA
<br /> Cal Trac Well Down,Country Club @ Plymouth
<br /> Cal Trans 05 Sep-97 <500 <100 <20 12 0 12 0 <t 000 NA Not detected except for Toluene 190 ppb
<br /> Cal Trans 02 Dec-97 <500 <100 <20 <20 <20 <l 000 NA
<br /> Cal Trans 29 Jan-98 <500 <100 <20 <20 <20 <1 000 NA
<br /> Cal Trans 23 Apr 98 <500 <100 <20 <2 0 <2 0 <1 000 NA
<br /> Cal Trans 29 Jul 98 <500 <100 12 0 12 0 <2 0 <1 000 NA
<br /> Cal Trans 06-Oct-98 <500 <100 <2 0 12 0 12 0 <1 000 NA
<br /> Cal Trails 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 <1 000 1200 <2 00 <2 00 <2 00 <1 000 NA
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