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TABLE 3
<br /> Historical Groundwater Monitoring &Analytical Data
<br /> Stockton Charter Way Commingled Plume
<br /> 440, 441, and 508 West Charter Way and 1444 South Lincoln Street, Stockton, CA
<br /> Depth Measured Calc.
<br /> TOC Motor 1,2-
<br /> to SPH GW GRO DRO Oil B T E X MTBE TBA DIPE ETBE TAME Ethanol McOH DCA EDB D.O.
<br /> Well No. Date Notes Elevation
<br /> (feet) Water Thickness Elev. (pg/L) (pg/L) (Oil (pg/L) (pg/L) (pg/L) (pg/L) (pg/L) (pg/L) (pg/L) (pg/L) (Ng/L) (Ng/L) (pg/L) (DCA (pg/L) (mg/L) Comments
<br /> (feet) (feet) (feet)
<br /> Grab Groundwater Samples
<br /> Former ARCO Service Station No.2168
<br /> No grab groundwater data
<br /> Chevron Facility#9-2033
<br /> DP-1 08/01/05 42 <50 3,100 1,900 <0.5 <0.5 <0.5 <0.5 26 8 <0.5 <0.5 2 <5.0 <200 <0.5 <0.5
<br /> DP-3 07/28/05 46 680 13,000 13,000 0.6 0.6 0.7 4 73 140 <0.5 <0.5 19 <50 <200 2 <0.5
<br /> 07/28/05 60 660 10,000 12,000 3 0.9 0.9 5 56 100 <0.5 <0.5 16 <50 <200 2 <0.5
<br /> DP-4 07/27/05 40 50,000 210,000 5,300 2,400 3,900 1,900 4,800 6 <50 <5 <5 <5 <500 <200 10 <5
<br /> 07/27/05 56 40,000 39,000 4,300 910 2,400 890 3,300 6 <25 <3 <3 <3 <250 <200 <3 <3
<br /> DP-5 07/25/05 53 5,100 29,000 4,400 10 0.7 4 2 <0.5 23 <0.5 <0.5 <0.5 <50 320 0.9 <0.5
<br /> DP-6 07/26/05 50 130 2,000 1,200 4 0.6 <0.5 0.8 <0.5 18 <0.5 <0.5 <0.5 <50 <200 <0.5 <0.5
<br /> DP-7 07/27/05 40 1,100 1,300 1,300 77 <3 20 3 1,600 170 <3 <3 12 <250 <200 <3 <3
<br /> DP-8 07/29/05 46 200,000 51,000 17,000 22,000 28,000 3,000 15,000 17,000 4,900 <25 71 64 <2,500 <200 250 <25
<br /> 07/29/05 58 380,000 96,000 25,000 24,000 28,000 3,500 15,000 14,000 3,600 <10 54 50 <1,000 <200 140 <10
<br /> DP-9 08/01/05 36 12,000 9,700 2,400 560 9 1,300 240 2,800 710 <3 23 43 <250 <200 <3 <3
<br /> 08/01/05 55 17,000 37,000 3,800 360 5 1,100 510 2,000 520 <1 17 32 <100 <200 2 <1
<br /> DP-10 07/29/05 35 110 170 420 <0.5 <0.5 <0.5 <0.5 92 37 <0.5 <0.5 7 <50 <200 <0.5 <0.5
<br /> 07/29/05 54 180 360 990 4 0.8 0.6 0.8 83 30 <0.5 <0.5 6 <50 <200 <0.5 <0.5
<br /> SB-2 08/31/00 46.5 790 - - 21 4.8 3.5 20 <0.5 11 - <0.5 <0.5 - <50 1.3 -
<br /> 08/31/00 54 3,100 370 9.6 60 62 <1.0 20 <1.0 <1.0 <100 <1.0
<br /> 08/31/00 82 <50 1.6 <0.5 <0.5 <0.5 <0.5 <5.0 <0.5 <0.5 60 <0.5
<br /> SB-3 09/01/00 35 42,000 10,000 23 3,300 2,800 46,000 3,800 320 280 <50,000 130
<br /> 09/01/00 62.5 170 10 <0.5 3.9 3.8 160 23 <0.50 0.78 <50 4.4
<br /> 09/01/00 86.5 <50 1.3 <0.5 <0.5 <0.5 6 <5.0 <0.50 <0.50 <50 <0.50
<br /> SB-4 09/01/00 44 840 22 1.2 6.4 10 20 34 <0.5 <0.5 <50 0.53
<br /> 09/01/00 56 1,200 84 1.8 4.5 16 4.4 12 <0.5 <0.5 <50 <0.5
<br /> 09/01/00 83 <50 <0.5 <0.5 <0.5 <0.5 <0.5 <5.0 <0.5 <0.5 <50 <0.5
<br /> SB-5 05/17/01 42 100,000 6,900 16,000 1,400 8,200 <25 <250 <25 <25 <25 <250 <5,000 <25 <25
<br /> 05/17/01 81 5,000 41 1301 73 460 <0.5 <5.0 <0.5 <0.5 <0.5 <20 <50 1.7 0.69
<br /> SB-6 05/17/01 38 180 <0.5 <0.5 <0.5 <0.50 1.9 17 <0.5 <0.5 <0.5 <5.0 <50 0.81 <0.5
<br /> 05/17/01 53 3,200 180 27 43 110 <1.0 <10 <1.0 <1.0 <1.0 <10 <100 <1.0 <1.0
<br /> 05/17/01 63 590 76 4.5 10 8.1 <0.5 8.2 <0.5 <0.5 <0.5 <20 <50 <0.5 <0.5
<br /> S13-7 05/17/01 58 3,100 250 12 21 74 <2.0 31 <2.0 <2.0 <2.0 <20 <200 <2.0 <2.0
<br /> 05/17/01 87 <50 <0.5 <0.5 <0.5 <0.5 <0.5 <5.0 <0.5 <0.5 <0.5 <5.0 <50 <0.5 <0.5
<br /> S13-8 05/17/01 35 580 1.6 <0.5 <0.5 <0.5 280 25 <0.5 4.2 1.8 <10 <700 18 <0.5
<br /> 05/17/01 58 <50 3 <0.5 0.93 <0.5 2.7 <5.0 <0.5 <0.5 <0.5 <5.0 <50 <0.5 <0.5
<br /> Former Colombo/Toscana Bakery(Sara Lee)
<br /> C1 05/01/07 88,000 370 4,900 3,300 15,000 <25 <150 <25 <25 <25 - - <25 <25
<br /> C2 05/02/07 170,000 18,000 19,000 3,600 17,000 <25 <150 <25 <25 <25 <25 39
<br /> C3 05/02/07 400,000 26,000 51,000 7,800 38,000 <40 <200 <40 <40 <40 <40 42
<br /> C4 05/03/07 160,000 16,000 20,000 3,100 14,000 960 <200 <40 <40 <40 <40 230
<br /> C5 05/03/07 65,000 11,000 9,800 1,500 6,400 1,700 160 <20 <20 <20 <20 <20
<br /> C6 05/03/07 55,000 11,000 3,700 2000 7,000 700 <150 <25 <25 <25 <25 <25
<br /> Stockton Charter Way Commingled Plume 4Q10 Tables.xlsm Page 1 of 72 Stantec
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