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r r� r r � • <br /> Table 1 <br /> Recent Groundwater Analytical Results <br /> Former Unocal Station No 5098 <br /> 5400 and 5606 Pacific Avenue <br /> Stockton,California <br /> Sample ID Unit DTW TPHg BENZENE n-BUTYL sec-BB 1,2-DCA EB IPB MtBE NAPHT N-PB TOLUENE 1,2,4-TMB 1,3,5 TMB XYLENES METHANOL ETHANOL <br /> 00 (u 1L) (u 1L) (u 1L) (u 1L) (u /L) (u IL) (u 1L) (u 1L) (u /L) (u 1L) (u 1L (u 1L) (u /L) (u 1L) u /L) (u 1L <br /> I <br /> MW-1 <br /> 12!18103 B 3525 4,400' 860 58 <5 0 <5 0 86 10 <50 46 26 17 <50 78 <10 NA NA <br /> 02/27/04 B 3413 3 300 520 66 <2 5 <2 5 530 79 <2 5 270 200 110 30 <2 5 350 NA NA <br /> 04112/04 B 3407 2,900 620 38 070 <0 50 58 50 <0 50 16 12 13 60 1 8 28 — -- <br /> MW-2 <br /> 12/18/03 B 3535 28 000 1 2 900 47 <12 <12 2,500 100 <12 590 270 350 1,900 410 7200 NA NA <br /> 02127104 B 3427 31,000 1,300 59 <10 <10 1,700 75 <10 580 200 450 1,400 260 4,400 NA NA <br /> 04/12/04 B 3418 14,000 580 <10 <10 <10 630 22 <10 320 41 130 1,500 340 3,300 -- -- <br /> MW-3 <br /> 12/23/03 B 3510 32,000 7 000 <25 <25 <25 2200 69 <25 <350 230 4300 1 400 330 8,300 NA NA <br /> 02/27104 B 3340 31,000 3,500 28 <20 <20 1,100 44 <20 240 110 2000 780 170 3 700 NA NA <br /> 04/12/04 B 3340 17,000 2,800 29 66 <0 50 930 39 <0 50 170 110 490 650 150 3,000 -- -- <br /> MW-4 <br /> 12/19/03 8 3544 7,1001 1,700 78 <5 0 <5 0 290 16 <50 50 38 120 210 31 540 NA NA <br /> 02/27/04 B 3430 5 100 900 <5 0 <5 0 <5 0 160 99 <50 23 20 36 120 14 300 NA NA <br /> 04112!04 B 3492 4,500 1,800 <0 50 14 <0 50 130 14 <0 50 17 30 12 40 26 42 -- -- <br /> MW-5 <br /> 12119103 B 3443 33,000 1 7 000 <50 <50 <50 1 400 55 <50 320 140 3200 920 210 5 300 NA NA <br /> 02/27/04 B 3456 50 14 <0 50 <0 50 <0 50 051 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <1 0 NA NA <br /> 04/12/04 B 3438 81 53 <0 50 <0 50 <0 50 32 <0 50 <0 50 14 078 18 43 <0 50 12 -- -- <br /> MW-6 <br /> 12/18/03 B 3591 1,600 610 31 16 <0 5 12 77 <0 5 35 19 16 051 081 56 NA NA <br /> 02/27/04 B 3433 3,400 200 12 22 <0 50 100 120 <0 50 540 300 170 <0 50 074 630 NA NA <br /> 04112104 B 3425 2,200 510 <2 5 <2 5 <2 5 52 72 <2 5 38 17 96 <2 5 <2 5 34 — -- <br /> MW-7 <br /> 12/19/03 B 3573 �50 11 <0 5 <0 5 <0 5 <0 5 <05 <0 5 16 053 099 <0 5 <0 5 <1 0 NA NA <br /> 02127104 B 3464 �50 46 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <1 0 NA NA <br /> 04112104 B 3450 74 19 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 13 065 <0 50 19 --06940293 1 of 5 ENSR CWorahon <br />