|
Page 24 of 25
<br />Table 1
<br />Historical Groundwater Gauging and Analytical Results
<br />Union Oil Company of California
<br />Former 76 Station No. 4409 / Phillips 66 Site 2469
<br />1502 North El Dorado Street, Stockton, CA
<br />Well ID
<br />Sample
<br />Date
<br />TOC
<br />(ft. ems!)
<br />DTVV
<br />(ft)
<br />GWE
<br />(ft. amsl)
<br />TPH-g
<br />(pg/L)
<br />Benzene
<br />(pg/L)
<br />Toluene
<br />(pg/L)
<br />Ethyl-
<br />benzene
<br />(pg/L)
<br />Total
<br />Xylenes
<br />(pg/L)
<br />MTBE
<br />(pg/L)
<br />TBA
<br />(pg/L)
<br />EDB
<br />(pg/L)
<br />1,2-DCA
<br />(pg/L)
<br />DIPE
<br />(pg/L)
<br />ETBE
<br />(pg/L)
<br />TAME
<br />(pg/L)
<br />Ethanol Comments
<br />(pg/L)
<br />MW-21 10/20/08 12.35 31.65 -19.30 19,000 250 <50 <50 880 5,500 <1000 <50 <50 <50 <50 <50 <25000
<br />MW-21 01/19/09 12.35 31.98 -19.63 12,000 42 12 23 340 5,600 1,800 <10 <10 <10 <10 <10 <5,000
<br />MW-21 04/20/09 12.35 31.31 -18.96 9,500 46 19 18 270 6,300 <200 <10 <10 <10 <10 <10 <5,000
<br />MW-21 07/20/09 12.35 32.38 -20.03 15,000 240 40 50 610 6,500 <500 <25 <25 <25 <25 <25 <12000
<br />MW-21 01/04/10 12.35 32.97 -20.62 13,000 54 <10 20 210 5,900 <200 <10 <10 <10 <10 <10 <5000
<br />MW-21 07/19/10 12.35 30.39 -18.04 15,000 140 76 140 840 4,200 2,600 <5.0 <5.0 <5.0 <5.0 8.0 <2500
<br />MW-21 01/05/11 12.35 30.41 -18.06 3,800 15 8.9 14 140 650 <100 <5.0 <5.0 <5.0 <5.0 <5.0 <2500
<br />MW-21 08/02/11 12.35 28.18 -15.83 5,100 14 84 100 490 600 590 <0.50 <0.50 3.5 <0.50 <0.50 <250
<br />MW-21 03/27/12 12.35 27.13 -14.78 5,000 6.5 21 29 190 630 1,300 <5.0 <5.0 <5.0 <5.0 <5.0 <2,500
<br />MW-21 09/04/12 12.35 27.70 -15.35 18,000 38 480 630 2,700 1,700 2,200 <5.0 <5.0 <5.0 <5.0 <5.0 <2,500
<br />MW-21 02/25/13 12.35 26.48 -14.13 7,600 30 130 140 820 1,400 2,100 <0.50 1.4 <0.50 <0.50 <0.50 <250
<br />MW-21 08/13/13 12.35 27.45 -15.10 6,700 25 120 160 730 1,200 2,400 <2.5 <2.5 <2.5 <2.5 <2.5 <1200
<br />MW-21 02/07/14 12.35 27.83 -15.48 2,400 14 32 31 280 1,000 1,900 <12 <12 <12 <12 <12 <6,200
<br />MW-21 09/24/14 12.35 29.54 -17.19 6,400 36 16 10 160 850 1,600 <5.0 <5.0 <5.0 <5.0 <5.0 <2,500
<br />MW-21 03/18/15 12.35 30.00 -17.65 870 6.5 6.3 8.9 56 670 1,800 <0.50 <0.50 <0.50 <0.50 <0.50 <250
<br />MW-21 08/28/15 12.35 31.80 -19.45 1600 33 18 9.1 110 110 <10 <0.50 <0.50 <0.50 <0.50 <0.50 <250
<br />MW-21 03/30/16 12.35 31.13 -18.78 4,500 c 7.8 35 69 290 c 420 c 1,400 <0.50 <0.50 <0.50 <0.50 <0.50 <250
<br />MW-21 08/29/16 12.35 31.18 -18.83 7300 38 45 85 210 260 <10 <0.50 <0.50 <0.50 <0.50 <0.50 <250
<br />MW-21 03/10/17 12.35 27.32 -14.97 11,000 15 150 330 810 160 <10 <0.50 <0.50 <0.50 <0.50 <0.50 <250
<br />MW-21 08/11/17 12.35 25.05 -12.70 9,800 <5.0 130 40 1,100 130 <100 <5.0 <5.0 <5.0 <5.0 <5.0 <2,500
<br />MW-21 02/28/18 12.35 24.63 -12.28 18,000 1.9 150 190 600 98 450 <1.0 <1.0 <1.0 <1.0 <1.0 <500
<br />MW-21 08/31/18 12.35 23.25 -10.90 5,500 1.3 95 61 230 42 100 <0.50 <0.50 <0.50 <0.50 <0.50 <250
<br />MW-21 03/01/19 12.35 21.69 -9.34 1,100 <0.50 7.4 4.0 32 0.55 <10 <0.50 <0.50 <0.50 <0.50 <0.50 <250
<br />MW-21 09/05/19 12.35 19.80 -7.45 2,600 0.87 67 160 110 70 240 <0.50 <0.50 <0.50 <0.50 <0.50 <250
<br />MW-21 02/28/20 12.35 19.18 -6.83 4,900 1.0 61 310 160 88 340 <0.50 <0.50 <0.50 <0.50 0.70 <250
<br />MW-22 01/24/08 12.22 29.75 -17.53 71 <0.50 0.56 0.89 <1.0 6.9 120 <0.50 <0.50 <0.50 <0.50 <0.50 <250
<br />MW-22 04/07/08 12.22 28.72 -16.50 60 <0.50 1.3 1.0 6.8 2.6 1,500 <0.50 <0.50 <0.50 <0.50 <0.50 <250
<br />MW-22 07/21/08 12.22 30.07 -17.85 <50 <0.50 <0.50 <0.50 <1.0 3.2 1,200 <0.50 <0.50 <0.50 <0.50 <0.50 <250
<br />MW-22 10/20/08 12.22 31.56 -19.34 <50 <0.50 <0.50 <0.50 <1.0 3.3 650 <0.50 <0.50 <0.50 <0.50 <0.50 <250
<br />MW-22 01/19/09 12.22 31.92 -19.70 <50 <0.50 <0.50 <0.50 <1.0 2.1 710 <0.50 <0.50 <0.50 <0.50 <0.50 <250
<br />MW-22 04/20/09 12.22 30.23 -18.01 <50 <0.50 <0.50 <0.50 <1.0 3.6 410 <0.50 <0.50 <0.50 <0.50 <0.50 <250
<br />MW-22 07/20/09 12.22 32.30 -20.08 <50 <0.50 <0.50 <0.50 <1.0 4.1 460 <0.50 <0.50 <0.50 <0.50 <0.50 <250
<br />MW-22 01/04/10 12.22 32.94 -20.72 55 <0.50 <0.50 <0.50 <1.0 3.1 240 <0.50 <0.50 <0.50 <0.50 <0.50 <250
<br />MW-22 07/19/10 12.22 30.32 -18.10 - - - - - - - - - - - -
<br />MW-22 01/05/11 12.22 30.31 -18.09 68 <0.50 <0.50 <0.50 <1.0 12 140 <0.50 <0.50 <0.50 <0.50 <0.50 <250
<br />MW-22 08/02/11 12.22 28.09 -15.87 - - - - - - - - - - - - -
<br />MW-22 03/27/12 12.22 27.05 -14.83 <50 <0.50 <0.50 <0.50 <1.0 11 150 <0.50 <0.50 <0.50 <0.50 <0.50 <250
<br />MW-22 09/04/12 12.22 27.62 -15.40 - - - - - - - - - - - - -
<br />MW-22 02/25/13 12.22 26.33 -14.11 <50 <0.50 <0.50 <0.50 <1.0 6.9 86 <0.50 <0.50 <0.50 <0.50 <0.50 <250
<br />MW-22 08/13/13 12.22 27.39 -15.17 - - - - - - - - - - - - -
<br />MW-22 02/07/14 12.22 27.72 -15.50 <50 <0.50 <0.50 <0.50 <1.0 16 110 <0.50 <0.50 <0.50 <0.50 <0.50 <250
<br />MW-22 09/24/14 12.22 29.44 -17.22 - - - - - - - - - - - - -
<br />GHD 11193145 (5)
|