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TABLE 1 - DEPTH TO GROUNDWATER MEASUREMENTS <br /> KLE/NFE LOER <br /> KNIFE RIVER VERNALIS QUARRY <br /> TRACY, CALIFORNIA <br /> WELL NO. DATE LOCATION DEPTH <br /> GROUNDWATER <br /> Dec 1999 186 <br /> Feb 2000 169 <br /> Mar2001 253 <br /> Feb 2002 247 <br /> .- DW-1 Feb 2003 251 <br /> Dec 2004 222 <br /> Dec 2005 Western Boundary of Site 208 <br /> Dec 2006 220 <br /> '— Dec 2007 258 <br /> Dec 2008 219 <br /> Dec 2009 221 <br /> Dec 2010 212 <br /> Dec 2011 215 <br /> Dec 1999 NM <br /> Feb 2000 NM <br /> Mar2001 240 <br /> Feb 2002 242 <br /> DW-2 Feb 2003 247 <br /> Dec 2004 Northwest Corner of Site NM <br /> Dec 2005 NM <br /> Dec 2006 162 <br /> Dec 2007 160 <br /> Dec 2008 NM <br /> Dec 2009 157 <br /> Dec 2010 159 <br /> Dec 2011 158 <br /> Dec1999 169 <br /> Feb 2000 167 <br /> Mar2001 171 <br /> Feb 2002 173 <br /> DW-3 Feb 2003 174 <br /> Dec 2004 East of Site 175 <br /> Dec 2005 113 <br /> Dec 2006 NM <br /> Dec 2007 114 <br /> Dec 2008 NM <br /> _ Dec 2009 NM <br /> Dec 2010 NM <br /> Dec1999 154 <br /> Feb 2000 161 <br /> Mar 2001 157 <br /> Dec 2001 NM <br /> Feb 2002 171 <br /> DOM-1 Feb 2003 167 <br /> Southwest Corner of Site, <br /> Dec 2004 (Closest to California NM <br /> Dec 2005 NM <br /> L Aqueduct) <br /> Dec 2006 161 <br /> Dec 2007 162 <br /> Dec2008 162 <br /> Dec 2009 166 <br /> Dec 2010 163 <br /> Dec 2011 161 <br /> NM=Not Measured <br /> Please note that prior to 2004,the depth to water measurements were <br /> Conducted by Don Pedro Pump,LLC. Pumps were shut off prior to measuring;however, <br /> the depths to water could be affected by water level recovery times. <br /> 29131.E01/ST012R014 Page i of 1 <br /> Copyright 2012 Kleinfelder January 17.2012 <br />