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Table 2
<br /> Historical Groundwater Monitoring and Analytical Data
<br /> Ranch Market
<br /> 23569 South Santa Fe Road
<br /> Riverbank,California
<br /> Well NoJ- _ Ethyl- ; EPA 8020 EPA method 8260 B
<br /> tion �te�� Benzene aiolkne ienxene y[en 1-G� MTBE MTBE TBA DIPE ETBA TAME 1,2-DCA EDB DTW*" SPT l3?IE
<br /> LTG (>t ) R(µ8 �(µ CFtB�) I )� (}tom) w/L) (PPS) 4&L) (u8/-) (PYI-) (kP�) (kP�) (ft) (ft� loft)
<br /> Soil Boring Grab Water Samples
<br /> 1
<br /> 01/23/98 36,400 47,100 3,990 2,000 238,000 a ND ND ND ND ND - -- -
<br /> Groundwater Monitoring Wells
<br /> -1
<br /> 9894 12/09/98 5,120 7,390 696 5,020 65,900 a 840 <200 <50 <50 <50 -- -- 2636 000 7258
<br /> 12/25/99 8,150 10,700 1,020 4,750 72,900 a - 210 <20 <5 <5 <5 <5 <5 2766 000 7128
<br /> 04/06/00 3,300 2,100 130 3,800 24,000 b 320 49 <2 0 <2 0 <2 0 29 <2 0 25 87 000 7307
<br /> MW-1
<br /> 9850 12/09/98 4,730 5,470 561 3,300 45,800 a 350 <400 <100 <100 <100 2590 000 7260
<br /> 12/25/99 3,840 2,930 230 1,210 19,800 a - 300 <20 <5 <5 <5 <5 <5 27 19 000 7131
<br /> 04/06/00 8,100 5,400 680 4,100 42,000 b 850 <100 <10 <10 <10 15 <10 2542 000 7308
<br /> MW-3
<br /> 9900 12/09/98 913 1,530 165 1,360 17,800 a 43 <20 <5 0 <5 0 <5 0 -- -- 2646 000 7254
<br /> 12/25/99 1,750 1,170 184 698 10,300 a <5 <20 <5 <5 <5 <5 <5 2778 000 71 22
<br /> 04/06/00 1,200 1,700 480 2,800 24,000 b 20 68 <0 50 <0 50 <0 50 27 <1 0 2603 000 7297
<br /> MW4
<br /> 10000 12/09/98 3,560 4,980 559 4,070 42,500 a 170 <200 <50 <50 <50 -- -- 2738 000 7262
<br /> 12/25/99 1,060 714 207 768 7,120 a 110 <20 <5 <5 <5 <5 <5 2869 000 7131
<br /> 04/06/00 2,300 2,000 270 1,900 16,000 b - 120 <20 <2 0 <2 0 <2 0 31 <2 0 2693 000 73 07
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