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<br /> AMBRIA
<br /> Table 1 AddttlonaI Groundwater Analytical Data,Shell-branded Service Station,2575 Country Club Boulevard,Stockton,California
<br /> Sample Date DIPE ETBE A CTBMethanol Ethanol EDB Volatile Organics by EPA 8260
<br /> (Ir°I-) (IA€II-) APS) (IAP/-) (IAS) (lAPt-) (NP(-) (IAS)
<br /> RW-IA 02-Sep 97 <4,000 <4,000 <4,000 <200 000 280 000 <1 000 000 NA Not detected except Benzene 13000 Toluene 15000,and Total
<br /> Xylenes 9400 ppb
<br /> RW IA 02 Dec-97 <2000 <2000 <2,000 <100000 82,000 <500000 NA
<br /> RW-IA 29-Jan-98 <5 000 <5,000 <5,000 <250,000 100,000 <1,200,000 NA
<br /> RW-IA 23-Apr-98 <20 <20 5,30 <1 000 110 000 <5 000 NA
<br /> RW ]A 29-Jul 98 6,000 6000 6000 <250,000 110,000 <1 250 000 NA
<br /> RW 1A 06-Oct 98 <4000 <4,000 4,3 <200,000 98,000 <1,000,000 NA
<br /> RW lA 27-Jan 99 <10 000 <10,000 <10,000 <500 000 1801000 12,500 000 NA
<br /> RW IA 15-Apr 99 <2,000 <2,000 02"370)
<br /> <200 000 49 000 <3,000,000 NA
<br /> RW-IA 27-Jul-99 <2 500 <2,500 <250,000 15 200 <1,250 000 NA
<br /> RW-lA 28-Oct-99 <2 500 <2 500 <250 000 <10 000 <1,250 000 NA
<br /> RW]A 28-Jan-00 <1,430 <1430 <143,000 <10,000 0114,000 NA
<br /> RW ]A 18 Apr-00 <2 000 02 000 <100 000 020,000 <1 000,000 NA
<br /> RW IA 28 Jul 00 <10 000 <10 000 <10,000 NA 020,000 NA <10 000 DIPE TAME and EDB were analyzed outside of EPA
<br /> recommended hold lime
<br /> RW-IA 19-Oct-00 <1,250 <1 250 <1 250 <62,500 <101,000 NA NA DIPS TAME,TBA and ETBE were analyzed outside of EPA
<br /> recommended hold time
<br /> RW]A ll-Jan-01 <200 0200 U1730
<br /> <20,000 <500 NA NA
<br /> RWAA 12-Apr-0l <100 <100 <10000\ <20,000 NA NA
<br /> RW-]A 30-act-01 1200 1200 4, <350,000 NA NA
<br /> RW lA 09-Ian-02 <200 <200 II,000 <1,000,000 <2,000 NA
<br /> RW-lA I I Oct-02 <100 <I00 5 900 <10,000 NA NA
<br /> RW lA 06-Jan-03 025 <25 �700� 12,500 NA NA
<br /> RW lA 10-Apr 03 <50 <50 \ 3,700 <10,000 NA NA
<br /> RW-IA(DUP) 02-Sep 97 <5 000 <5 000 6,000 <250000 240,000 <1,250,000 NA Not detected except Benzene 14000,Toluene 18000,and Total
<br /> Xylenes 13000 ppb
<br /> RW I A(DUP) 02-Dec-97 <2 500 <2 500 <2 500 <120,000 77,000 <620,000 NA
<br /> Cal Trans Well Down,Country Club Plymouth
<br /> Cal Trans 05-Sep-97 010 <2 0 <2 0 <100 <1,000 <500 NA Not detected except for Toluene 190 ppb
<br /> Cal Trans 02 Dec 97 <2 0 02 0 12 0 <100 <1,000 <500 NA
<br /> Cal Trans 29-Jan-98 <2 0 <2 0 02 0 <100 <1 000 <500 NA
<br /> Cat Trans 23 Apr-98 02 0 <2 0 <2 0 <100 <1 000 600 NA
<br /> Cal Trans 29 Jul 98 12 0 <2 0 <2 0 <100 <1 000 600 NA
<br /> Cal Trans 06-Oct 98 <2 0 <2 0 <2 0 <100 <1 000 600 NA
<br /> Cal Trans 27 Jan-99 <2 0 02 0 110 <100 <2,000 <500 NA
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