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Table 13 <br /> Dual Phase Extraction System -Semi-Annual Metals and TTO Treated Groundwater Data <br /> Parcel 2A-L&M OU <br /> 666 West Weber Avenue, Stockton, CA <br /> Total <br /> Cadmium Chromium Copper Lead Nickel Zinc TTO by 624 TTO by 625 <br /> Date Sampled Sample ID Notes (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (mg/L) (µg/L) (Ng/L) <br /> 1/13/2005 GW-INF <0.005 <0.005 <0.005 <0.005 <0.005 0.0107 ND ND <br /> 3/29/2005 EFF <0.01 <0.01 <0.01 <0.005 <0.02 0.1800 ND ND <br /> 3/15/2006 EFF <0.005 <0.005 <0.005 <0.005 0.0191 0.1050 ND ND <br /> 5/31/2007 GW-EFF <0.005 <0.005 <0.005 <0.005 <0.005 0.0491 ND ND <br /> 5/12/2008 GW-EFF <0.001 <0.005 <0.005 <0.005 <0.005 <0.010 ND ND <br /> 1/14/2009 GW-EFF <0.001 0.0023 0.0016 <0.001 0.00517 0.0143 ND ND <br /> 7/9/2009 GW-EFF <0.001 <0.001 <0.001 <0.001 0.00285 0.00907 ND ND <br /> 1/12/2010 GW-EFF <0.001 <0.001 <0.001 <0.001 0.00257 0.01040 ND ND <br /> 6/10/2010 GW-EFF <0.001 <0.001 <0.001 <0.001 0.00531 0.0830 ND ND <br /> 7/12/2010 GW-EFF <0.001 0.0013 0.0180 <0.001 0.00231 0.0181 -- -- <br /> 1/11/2011 GW-EFF <0.00100 <0.00100 <0.00100 <0.00100 0.00323 <0.005 ND ND <br /> 7/13/2011 GW-EFF <0.00100 <0.00100 0.00243 <0.00100 0.00365 0.0254 ND ND <br /> 1/19/2012 GW-EFF <0.00100 <0.00100 0.0123 0.00106 0.00324 0.118 ND ND <br /> 7/12/2012 GW-EFF <0.00100 <0.00100 0.0122 <0.00100 0.00495 0.0973 ND ND <br /> 1/29/2013 GW-EFF <0.00100 <0.00100 <0.00100 <0.00100 0.00263 0.00767 ND ND <br /> 7/30/2013 GW-EFF <0.00100 <0.00100 0.00218 <0.00100 0.00845 0.0164 ND ND <br /> Discharge Limits: 2.0 5.0 6.0 2.0 5.0 7.0 0.5 Benzene/4.57 Total <br /> Definitions: <br /> mg/L = Milligrams per liter <br /> µg/L = Micrograms per liter <br /> < =Value is less than laboratory reporting limit <br /> ND = No analyte detected above laboratory reporting limits <br /> TTO =Total toxic organics <br /> -- = Not sampled/applicable <br /> I:\Tidewater\TW Stockton(P2A)\Engineering\O&M\Tables\O&M Tables 2013\3Q13\Parcel 2A OM Tables 3Q13.xlsx Page 1 of 1 <br />