Laserfiche WebLink
Table 2.Historical Groundwater Monitoring and Analytical Data <br /> ARCO Station No.4932,16 East Harding Way,Stockton,CA <br /> TOC Product Water Level Concentrations in Vg/L <br /> Well ID and Elevation DTV Thickness Elevation GRO/ Ethyl- Total <br /> Date Monitored <br /> (feet) (feet( (feet) (fee[( 7PNg Benzene Toluene Benzene Xylenes MTBE Ethanol DIVE ETRE TAME TBA 1,2-DCA EDB Footnote <br /> EW-6 Cont. <br /> 10/27/2004 NS 34.43 0.00 -- <2,500 <25 <25 <25 66 11500 <S,0D0 <25 <25 <25 <1,000 <25 <25 NP <br /> 1/12/2005 __ __ _ _ _ _ _ _ __ _ __ _ VOL <br /> 00 < <br /> 4/13/2005 29.80 0.00 - 6,95.0 <5.0 9.9 96 6.0 <1,000 <5.0 <5.0 <5.0 <200 <5.0 6.0 <br /> 7/11/2005 29.58 0.00 - 870 <5.0 6.0 <5.0 <5.0 710 <1,000 <5.0 <5.0 <5.0 <200 <5.0 <5.0 <br /> 10/5/2005 29.95 0.00 - 1,400 N <10 <10 <10 <10 1,000 - - _ _ - -- _ c <br /> 1/12/2006 30.12 0.00 - <500 20 37 <5.0 120 94 <3,000 <5.0 <5.0 6.0 <200 <5.0 <5.0 c <br /> 4/12/2006 31.77 0.00 - <500 <5.0 <5.0 <5.0 <5.0 7.3 <3,000 <5.0 <5.0 <5.0 <200 <5.0 6.0 c <br /> 7/10/2006 26.09 0.00 _ _ _ <br /> 10/18/2006 28.85 0.00 - - _ <br /> 3/14/2007 26.69 0.00 - <50 <0.50 <050 <0.50 <0.50 2.5 <300 0.57 <0.50 <050 <20 4.9 <0.50 <br /> 5/15/2007 26.49 0.00 -- <50 <0.50 <050 <0.50 <0.50 2.6 <300 0.64 <0.50 <0.50 <20 4.0 <0.50 <br /> 8/1/2007 27.06 0.00 - - _ <br /> 8/3/2007 27.06 0.00 - <50 <0.50 <050 <0.50 <0.50 3.8 <300 0.97 <0.50 <0.50 <20 6.1 <050 <br /> 11/20/2007 27.90 0.00 - <50 <0.50 <050 <0.50 <0.50 2.8 <300 0.71 <0.50 <0.50 <20 4.3 <0.50 <br /> 1/21/2008 10.65 27.21 0.00 -16.56 <50 <0.50 <050 <0.50 <0.50 2.2 <300 0.66 <0.50 9.0 <20 5.0 <050 Sys <br /> 4/7/2008 26.09 0.00 -15.44 _ _ _ <br /> 4/9/2008 - - -- <50 <0.50 <050 <050 <0.50 1.6 <300 <0.50 <0.50 <0.50 <10 3.6 <050 <br /> 7/21/2008 27.59 0.00 -16.94 - - _ <br /> 8/22/2008 - - -- <50 <0.50 <0.50 <050 <0.50 2.1 <300 0.89 <0.50 <0.50 <10 5.0 <D50 <br /> 10/20/2008 28.95 0.00 -18.30 - _ _ - <br /> 1/19/2009 29.05 0.00 -18.40 -- - - - -- - INA <br /> 10 <br /> 4/20/2009 28.31 0.00 -17.66 - <br /> 1/7/2010 29.90 0.00 -19.25 <50 - - - - 0.61 -- -- - - <10 5.5 <br /> 1/5/2011 27.38 0.00 -16.73 - <br /> 1/7/2011 - - - <50 - - _ -- - _ - - <br /> - <0.50 - -- - - <10 2.3 - <br /> 2/1/2012 25.15 0.00 -14.50 - <br /> 2/2/2012 - - - <50 - -- - - 0.68 - -- - <10 2.8 <br /> 2/25/2013 24.10 0.00 -13.45 - - - -- - - - -- - - - -- - INA,d <br /> EW-7 <br /> 9/3/2003 NS - - - 74,000 <2,500 <2,500 <2,500 <2,500 170,000 <br /> Page 16 of 38 <br />