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<br /> CA 1A
<br /> Table 1 Additional Groundwater Analytical Data,Shell-branded Service Station, 1071 North Main Street,Manteca,California
<br /> Sample Date Ethanal TBA DIPE EDB 1,2-DCA ETBE TAME Methanol MTBE 8020 MTBE 8260
<br /> ID Sampled (lug/1) (µE11) ({.0) (Ag/l) (µg11) (µg11) (µg11) (µg11) (µg11) (µg11)
<br /> MW-1 28-Apr-98 <500 <100 <2 0 NA NA <2 0 <2 0 <1,000 110 120
<br /> MW-1 28 Jul-98 <1,250 <250 <5 0 <0 50 <0 50 <50 <5 0 <1,000 290 280
<br /> MW-1 28-Jul-98 dap a <1,650 <330 <6 6 <0 50 <0 50 <6 6 <6 6 <1,000 630 440
<br /> MW-1 07-Oct-98 <8,350 <1,670 <33 <2 5 <2 5 <33 <33 <1,000 2,000 1,700
<br /> MWA 07-Oct-98 1 <6,250 <1,250 <25 <2 5 <2 5 <25 <25 <1,000 1,100 1,800
<br /> MW-1 28-Jan-99 <2 500 <500 <10 <0 50 <0 50 <10 <10 <2,000 950 870
<br /> MW-I 08-Apr-99 <2 000 <400 <20 0 <100 <0 500 <20 0 <20 0 <1,000 <5 00 591
<br /> MW-I 22-Jul-99 <1,670 <333 <6 66 <0 500 <0 500 <6 66 <6 66 <1,000 612 593
<br /> MWA 13-pct-99 <5,000 <1,000 <20 0 <0 500 <0 500 <20 0 <20 0 <1,000 1,070 1,640
<br /> MW-1 06-Jan-00 <2 500 <500 <5 00 <0 500 <0 500 <5 00 <5 00 <1,000 311 328
<br /> MWA 11-Apr-00 <200 286 <100 <100 <100 <100 112 <1,000 566 466
<br /> MWA 27-Jul-00 <8,000 <4008 <20 08 <1 00 <0 500 <20 08 <20 08 <1,000 662 6058
<br /> MW-I 10-Oct 00 <100 <20 0 <1 00 <0 500 <0 500 <1 00 <1 00 <1,000 <2 50 <0 500
<br /> MWA 23-Jan-01 78 <5 0 <0 50 NA <0 50 <0 50 <0 50 <50 NA <0 50
<br /> MW-1 26-Apr-01 <500 <200 <5 00 <5 00 <5 00 <5 00 <5 00 NA NA 214
<br /> MW-2 28-Apr-98 <500 <100 <2 0 NA NA <20 <2 0 <L,000 <2 5 <2 0
<br /> MW-2 28-Apr-98 dup <500 <100 <2 0 NA NA <20 <2 0 <1,000 <2 5 <2 0
<br /> MW-2 28-Jul 98 <500 <100 <2 0 <0 50 <0 50 <2 0 <2 0 <1,000 <2 5 <2 0
<br /> MW-2 07-Oct-98 <500 <100 <2 0 <0 50 <0 50 <2 0 <20 <1,000 <2 5 <2 0
<br /> MW-2 28-Jan-99 <500 <100 <2 0 <0 50 <0 50 <2 0 <20 <2,000 <2 5 <2 0
<br /> MW-2 08-Apr-99 <l00 <20 0 <1 00 <0 500 <0 500 <1 00 <1 00 <1,000 <5 00 0 667
<br /> MW-2 22-Jul-99 <500 <100 <2 00 <0 500 <0 500 <2 00 <2 00 <1,000 <2 50 <2 00
<br /> MW-2 13-pct-99 <500 <100 <2 00 <0 500 <0 500 <2 00 <2 00 <1,000 <2 50 <2 00
<br /> MW-2 06-Jan-00 <1,000 <200 <2 00 <0 500 <0 500 <2 00 <2 00 <1,000 <2 50 <2 00
<br /> MW-2 11-Apr-00 <200 <20 0 <1 00 <1 00 <1 00 <1 00 <1 00 <1,000 305 <1 00
<br /> MW-2 27-Jul 00 <400 <20 08 <1 008 <1 00 <0 500 <1 008 <1 008 <1,000 <2 50 <1 008
<br /> MW-2 10-Oct-00 <100 <20 0 <100 <0 500 <0 500 <1 00 <1 00 <1,000 <2 50 0 719
<br /> MW-2 23-Jan-01 <5 0 <5 0 <0 50 NA <0 50 <0 50 <0 50 <50 NA <0 50
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