Laserfiche WebLink
Table 2.Historical Groundwater Monitoring and Analytical Data <br /> ARCO Station No.4932,16 East Harding Way,Stockton,CA <br /> TDO Product Water Level Concentrations in Pg/L <br /> Well ID and Elevation DTW Thickness Elevation GRD/ Ethyl- Total <br /> Date Monitored (feet) (feet) (feet) (feet) TPHg Benzene Toluene Benzene Xylenes MTBE Ethanol DIPS ETBE TAME TBA 1,2-DCA EDB Footnote <br /> MW-2 Cont. <br /> 4/9/2008 12.01 - -- - <.50 <0.50 <050 <050 <0.50 7.2 <300 <0.50 <0.50 <0.50 <10 <0S0 <0.50 <br /> 7/21/2009 28.80 0.00 -16.79 - - - -- - - -- - - <br /> 8/22/2008 - - - <50 <0.50 <0.50 <0.50 <050 8.7 <300 <050 <0.50 <0S0 <10 <050 <050 <br /> 10/20/2008 30.22 0.00 -18.21 - - -- "" -- - - -- <br /> 10/22/2008 - -- -- <50 <0.50 <O50 <0.50 <O50 11 <300 <0S0 <0.50 <OSO 14 2-1 <0.50 • <br /> 1/19/2009 30.55 0.00 -18.54 - - <br /> 1/21/2009 - -- - <50 <0.50 <OSO <0.50 <0.50 12 <300 <0S0 <0.50 <0.50 13 1.2 <050 <br /> 4/20/2009 29.80 0.00 -17.79 - - - -- - - - -- - <br /> 4/22/2009 - - - <50 <0.50 <0.50 <050 <050 5.3 <300 <050 <0.50 <0.50 <10 <O50 <OSO <br /> 7/20/2 31.00 0.00 -18.99 - - - -- - - - -- <br /> -� - 11 - - 41 2.6 - <br /> 1/7/2010 31.52 0.00 -19.51 c50 - - - <br /> 1/5/2011 29.18 0.00 -17.17 - - - - - -- - -- - <br /> 1/7/2011 - -- - <50 - -- -- - 2.3 <SO <OSO = <br /> 2/1/2012 26.75 0.00 -14.74 - - - - -- - - - - <br /> 2/2/2012 - - - <50 - - - - 0.72 - -- - _ <1p <O- = <br /> 2/25/2013 25.57 0.00 -13.56 - - <br /> 3/1/2013 - - -- <50 - - - - 1.0 -- - - - <10 <0.50 - <br /> MW3 <br /> 9/5/2000 11.70 27.13 0.00 -15.43 500 29 <0.50 <0.50 16 5.6 <br /> <2.0 <2.0 <2.0 <200 <2.0 <2.0 <br /> 11/2/2000 26.41 0.00 -14.71 120 6.6 <0.50 <O50 1.4 29 - <2.0 <2.0 <2.0 <50 <2.0 <2.0 • <br /> 3/5/2001 26.21 0.00 -14.51 80 6.5 <050 <0.50 0.65 2.6 <br /> <2.0 <2.0 <2.0 <200 <2.0 <2.0 <br /> 5/8/2001 25.83 0.00 -14.13 60 <0.50 <0.50 N50 <0.50 4.0 <br /> <2.0 <2.0 <2.0 <200 <2.0 <2.0 <br /> 7/20/2001 27.24 0.00 -15.54 <50 <0.50 <0.50 <0.50 <O50 2.2 <br /> - <2.0 <2.0 <2.0 <200 <2.0 <2.0 <br /> 10/22/2003 29.10 0.00 -17.40 250 95 <OSO <0.50 <O50 <2.0 <br /> <2.0 <2.0 <2.0 <200 <2.0 <2.0 <br /> 1/15/2002 28.52 0.00 -16.82 1,600 74 11 <5.0 7.6 1.0 - <0.50 <0.50 <0.50 <5.0 <0.50 <0.50 <br /> 4/11/2002 27.65 0.00 -15.95 <50 2.2 <050 <0.50 <050 2.0 -- <0.50 <0.50 <0.50 12 <050 <0.50 <br /> 7/12/2002 28.72 0.00 -17.02 240 N 8.7 1.3 0.72 1.0 1.2 - <0.50 <0.50 <0.50 6.0 - - <br /> 11/20/2002 31.17 0.00 -19.47 610 N 5.6 5.4 5.0 5.8 1.4 <br /> <0.50 <0.50 <0.50 <20 <0.50 <0.50 <br /> 1/30/2003 30.36 0.00 -18.66 1,100 43 22 33 49 0.55 <40 <0.50 <0.50 <0.50 <20 0.79 <0.50 <br /> 4/28/2003 29.70 0.00 -18.00 1,000 34 22 45 92 0.88 <100 <0.50 <0.50 <0.50 <20 <OS0 <050 <br /> Page 21 of 38 <br />