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<br /> TABL?3
<br /> Historical Groundwater Monitoring and Analytical Data
<br /> Ranch Market
<br /> 23569 South Santa Fe Road
<br /> Riverbank,California
<br /> Well NoJ Ethyl- EPA method 8260 8
<br /> Elevation Date Benzene Toluene benzene Xylenes TPH-G MTBE TBA DIPE ETBA TAME 1,2-DCA EDB DTW"" SPT WTE
<br /> (TOC)" 0911-) w9IL L1 91L? (pg/L) (li L 9/L L ) �91L) Gi !LJ (u91L (ft) (f,) (ft)
<br /> Soil Boring Grab Water Samples
<br /> B-1 1 01/23/98 1 36,4001 47,100 3,990 2,000 238,000 a ND ND ND ND ND -
<br /> Depth Discrete Grab Water Samples
<br /> GP-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 /> GP-2 07/17/00 130 96 15 45 680 b 12 <50 <0 50 <0 50 <050 <050 <0 50 32 34 c
<br /> GP-3 07/17/00 31 <0 50 <0 50 <0 50 <50 b <0 50 <50 <0 50 <0 50 <0 50 <0 50 <0 50 32 34 c
<br /> GP-4 07/18/00 1 4 <0 50 <0 50 <0 50 <50 b 11 <50 <0 50 <0 50 <0 50 <050 <0 50 36 37 c
<br /> SS-1 07/24/00 110 530 62 340 2,200 b 54 <5 0 <0 50 <0 50 <050 <0 50 <0 50 75 78 0
<br /> S13-2 07/25/00 5 3 056 1 6 49 140 b 53 <5 0 <0 50 <0 50 <050 <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 <50 <0 50 <0 50 <050 <0 50 <0 50 35 37 c,e --
<br /> CPT-1 10/12/01 <0 50 <0 50 <0 50 <0 50 <50 b <0 50 <5 0 <0 50 <0 50 <0 50 <050 <0 50 38-40 c
<br /> CPT-2 10/12/01 - - -- - - -
<br /> CPT-2A 10/12/01 <0 50 <0 50 <0 50 <0 50 <50 b <0 50 <50 <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 <50 <0 50 <0 50 <0 50 <050 <0 50 33-35 c
<br /> Groundwater Monitoring Wells
<br /> MW-1 12/09/98 5,120 7,390 696 5,020 65,900 a 840 <200 <50 <50 <50 - 2636 000 7938
<br /> 10574 12/25/99 8,150 10,700 1,020 4,750 72,900 a 210 <20 <5 <5 <5 <5 <5 2766 000 7608
<br /> 04/06/00 3,300 2,100 130 3,800 24,000 b 320 49 <2 0 <20 <20 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 <20 <20 18 64 2799 000 7775
<br /> 11/16100 880 630 34 740 6,800 b 83 <20 <2 0 <20 <20 <2 0 <2 0 2729 000 7845
<br /> 01/03/01 3,000 2,100 150 1,600 14,000 b 320 62 <50 <50 <50 <50 <5 0 2730 000 7844
<br /> 04/11/01 4,600 3,200 220 1,900 22,000 b 410 130 <10 <10 <10 <10 <10 2686 000 7888
<br /> 07/03/01 6,500 5,600 490 2,700 35,000 b 900 <250 <25 <25 <25 <25 <25 2789 000 7785
<br /> 10/01/01 4,504 3,700 400 11800 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 <25 <25 <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 7831
<br /> 07/12/02 11,000 7,400 830 4,400 60,000 b 1,500 <500 <50 <50 <50 <50 <50 2868 000 7706
<br /> 10/01/02 2,000 1,800 170 1,500 13,000 b 250 <100 <10 <10 <10 <10 <10 2915 000 7659
<br /> 01/10/03 110 120 28 170 1,100 b 62 <50 <0 50 <0 50 <0 50 1 5 <0 50 2789 000 7785
<br /> Ranch Markel RiverbanUablesl RB 03-1O-GW-1 As Page 1 of 9
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