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CITY:(Regd) DIV/GROUP:(Regd) DB:(Regd) LD:(Opt) PIC:(Opt) PM:(Regd) TM:(Opt) LYR:(Opt)ON=';OFF='REF' <br /> G:\ENVCAD\Roseville-CA�ACTRV009840\0003\00012\RV0098400003 00012 PPT R2.dwg LAYOUT: 7 SAVED: 4/112012 3:00 PM ACADVER: 18.1S (LMS TECH PAGESETUP: A LAND PLOTSTYLETABLE: ACAD.CTB PLOTTED: 4/112012 3:00 PM BY: ROBITAILLE, BEVERLY <br /> XREFS: IMAGES: PROJECTNAME: — <br /> fig 4.jpg <br /> fig 7.jpg A <br /> L Legend <br /> L� , I ` J Approximate location of ASTs <br /> A Main drainage sump 620 Shallow boring ( 0 to 5 ft deep) <br /> d i6 e14 <br /> 21 Intermediate boring ( 5 to 9 ft dee <br /> - - - - <br /> *826 1 A <br /> Deeper boring ( 11 to 13 ft deep) <br /> 81 33a ❑ Non - detect or below <br /> TFA-1 e9 ❑ residential screening levels <br /> 927 838 r E87 0 B1 932 . ( CHSSLs ) <br /> 82 811 L <br /> AST 81 AST <br /> E] Exceeds residential screening <br /> 127 86 B1 levels ( CHSSLs ) <br /> 4OUNDATION aim FOUNDATION <br /> eta � N Exceeds industrial screening <br /> ❑ ❑ 817 levels ( EPA Region 9 RSLs ) <br /> B30 094 Q 815 815 <br /> Proposed borings with samples <br /> collected at depths of 2 , 5 and 8 <br /> L� Proposed borings contingent on <br /> s2s e31 results of the first set <br /> ❑ 83a <br /> GLENN SPRINGS HOLDINGS , INC . <br /> FORMER OCC - LATHROP FACILITY <br /> LATHROP, CALIFORNIA <br /> Containment burn <br /> Note: Placement of TFA4 is approximate relative to site features PREVIOUS AND PROPOSED <br /> -- N -- d 20 ft • and will be adjusted based on field survey. Borings B# were BORING LOCATIONS : <br /> advanced in 1996 (Geomatrix, 1996) . Boring TFA- 1 was advanced FORMER UST AREA <br /> Approximate in 2012 (ARCADIS, 2012) . FIGURE <br /> safe ARCADIS 7 <br />