Laserfiche WebLink
X <br /> retic System <br /> Area X� Sand Silo Explanation f— <br /> LP-G5 G) Direct push groundwater sample points <br /> (Brown and Caldwell,June 2001) <br /> X Approximate location of hand auger and <br /> LP-G7 direct push soil boring(URS, December <br /> 2002) <br /> LP-G9 Q Approximate location of soil boring <br /> X (Geomatrix,December 2007) <br /> MaBuildinuring m LPW-3 Groundwater monitoring well locations <br /> 9 � <br /> LPW-2 February 1t7,2010ow direction, <br /> 12/22/09 1/26/10 2/17/10 c X <br /> Y <br /> TPHd <50 <50 <50 50 Groundwater sample concentrations in <br /> Cr 14 13 11 Mainmicrograms per liter(Ng/L) <br /> DCr 12 11 11 Shop X TPHd Diesel-range total petroleum <br /> DCrVI 14 13 13 hydrocarbons <br /> 0 <br /> Supply Well Facility Boundary Cr Total chromium <br /> LP-G3O LPW-2 X DCr Dissolved chromium <br /> LP-G4 <br /> Guardposts& • DCrVI Dissolved chromium VI <br /> Fire Hydrant LP-G6 <br /> / < Not detected,less than reporting limit <br /> / i shown <br /> I Former Berm Duplicate sample <br /> LP-G8 0 <br /> J Estimated concentration between the <br /> I I X reporting limit and the method detection <br /> LP-G2O I limit <br /> —x� Fence <br /> LPG7I I I <br /> x I LPW 1` �� Approximate area of original stockpile. <br /> 1*� Stockpile removed in October 2007. <br /> Building x I 0 LP-G9 I LP-G5 LPW-1 <br /> —x x x <br /> I X 12/22/09 1/26/10 2/17/10 <br /> TPHd <50 <50 <50 <br /> I I Cr 6.3J 5.01 3.7J <br /> DCr 5AJ 4.3J 3.5J <br /> 3 Fire I LP-G1 I X DCrVI 7.5 6.3 5.0 <br /> Protection <br /> Reservoir 1✓ A LP-G10 ALP-G11 <br /> N <br /> 4 It I X <br /> 3 LPW-3 \ LP-H1 <br /> iu - - - - - - '� ❑• <br /> X X X X <br /> r Approximate Scale in Feet <br /> m 0 50 100 <br /> LPW-3 <br /> El <br /> az 12/22/09 12/22/09' 1126/10 1/26/10' 2/17/10 2/17/10' 0 15 30 <br /> TPHd <50 <50 <50 <50 <50 <50 Approximate Scale in Meters <br /> o Cr <10 <10 <10 <10 <10 <10 <br /> E Basemap modified from Brown and Caldwell,Site Plan dated <br /> a o DCr <10 <10 <10 <10 <10 <10 January 2002,and URS Corporation,December 2004. <br /> a DCrVI 3.5 3.4 2.9 2.8 7.1 6.8 <br /> o TPH-DIESEL, Cr AND Cr VI CONCENTRATIONS IN <br /> GROUNDWATER SAMPLES <br /> o December 2009, January 2010, February 2010 <br /> N <br /> MonierLifetile LLC Lathrop Facility <br /> Lathrop, California <br /> N <br /> �a <br /> B ah Date:04/27/10 Pro'ect No.:10626.000 <br /> 3 AMEC Geomatrix Figure 5 <br /> o � <br /> ao` <br />