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TAR 3
<br /> Historical Groundwater Monitoring and Analytical Data
<br /> Ranch Market
<br /> 23569 South Santa Fe Road
<br /> Riverbank,Cahforma
<br /> F1'ffNaj Ethyl- EPA method 8260 B
<br /> Eloattott Date Benzene Toluene benzene Xylenes TPH G MTBE I TBA DIPS I EEA TAME 1,2-DCA EDB DTW** SPT WTE
<br /> 1T "
<br /> (AWL) {p ) (ft ) (Ugq3 (1+ AL) (ft) lft) fft)
<br /> oti Boring Grab Water Samples
<br /> -1 01/23/98 36,400 47,100 3,990 2,000 238,000 a ND ND ND ND ND - --
<br /> epth Discrete Grab Water Samples
<br /> P-1 07/18/00 <0 50 <0 50 <0 50 <0 50 120 b 1.2 62 <0 50 <0 50 <0 50 <0 50 <0 50 32-34 c
<br /> P 2 07/17/00 130 96 15 45 680 b 12 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 32-34 c -
<br /> P-3 07/17/00 31 <0 50 <0 50 <0 50 <50 b <0 50 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 32-34 c
<br /> 7.P-4 07/18/00 1A <0 50 <0 50 <0 50 <50 b 11 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 36-37 c
<br /> B-1 07/24/00 110 530 62 340 2,200 b 54 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 75-78 c - -
<br /> B-2 07/25/00 5.3 056 16 49 140 b 53 <5 0 <0 50 <0 50 <I 50 <0 50 <0 50 75-78 c - -
<br /> B 3 08/10/00 <0 50 <0 50 <0 50 <0 50 <50 b <0 50 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 35-37 c,e -
<br /> Pr-1 10/12/01 <0 50 <0 50 <0 50 <0 50 <50 b <0 50 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 38-40 c -
<br /> PT-2 10/12/01 -- -- -- -- -_
<br /> CPT-2A 10/12/01 <0 50 <0 50 <0 50 <0 50 <50 b <0 50 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 33-35 c -
<br /> CPT-3 10/12/01 <0 50 065 <0 50 <0 50 <50 b <0 50 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 33-35 c
<br /> Groundwater Monitoring Wells
<br /> NfW-1 12/09/98 5,120 7,390 696 5,020 65,900 a 840 <200 <50 <50 <50 2636 000 7938
<br /> 10574 17/25/99 8,150 10,700 1,020 4,750 72,900 a 210 <20 <5 <5 <5 <5 <5 2766 000 7908
<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 2587 000 7987
<br /> 08/16/00 13,000 13,000 1,200 7,400 80,000 b 1,600 240 3.2 <2 0 <2 0 18 64 2799 000 7775
<br /> 11/16/00 880 630 34 740 6,800 b 83 <20 <2 0 <2 0 <2 0 <2 0 <2 0 2729 000 7845
<br /> 01/03/01 3,000 2,100 150 1,600 14,000 b 320 62 <5 0 <5 0 <5 0 <5 0 <5 0 2730 000 7844
<br /> 04/11/01 4,600 3,200 220 11900 22,000 h 410 130 <10 <10 <10 <10 <10 2686 000 78 88
<br /> 07/03/01 6,500 5,600 490 2,700 35,000 b 9100 <250 <25 <25 <25 <25 <25 2789 000 7785
<br /> 10/01/01 4,500 3,700 400 1,800 22,000 b 570 <200 <20 <20 <20 <20 <20 2851 000 7723
<br /> 01/03/02 540 470 32 600 5,000 b,f 29 <25 <2 5 <2 5 <2 5 <2 5 <2 5 2723 000 7851
<br /> 04/05/02 8,700 6,100 550 4,600 47,000 b 940 280 <25 <25 <25 170 <25 2743 000 78 31
<br /> 07/12/02 11,000 7,400 830 4,400 60,000 b 1,500 <500 <50 <50 <50 <50 <50 2969 000 7706
<br /> Ranch Market-RiverbanklTablesl RB-02-30-GW-1 Page 1 of 7
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