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F-7� "1 T F""'1' ["� r_" , r-"? �."'7 r"Mq" _"" [""p er i_"' ' �."� �' ' --�• '.'"„ _„� <br /> x <br /> ---C2 I <br /> A A' <br /> West APPROXIMATE LIMITS OF East <br /> DEPTH ELEVATION 1990$OIL EXCAVATION SB-1 1 <br />' <br /> (feet) (feet) <br /> SB 10 AW-3 SB-7 AW 12 S3-6 <br /> N`: <br /> x, mow, c _ t v k nks f "• ND <br /> - <br /> 1,9 0 <br /> --- � ' ������ a +�',�� �� �. �`� *x �� ��?�� �', �� � � �";? ��`^�. �"' r{ � �����z ���" � —• Nth <br /> ,. sy :,X °,}' _,'�' +'` �^;.: "itr:n.a -ut - �'�•.�., `�e�. '. .s"�., a�' ;ya ;.,l: -e - <br /> 10 20 (;fink ;.. .. -' r?` vw" nkU.f-: ' ,u a <br /> _ — —— — —=._ry . . .- • 3,700 _ - <br /> • 8.0 • 5,200 • 3,000 • 740 <br /> ""n"„"„"�"„ • 970 • ND . <br /> • 2.1 " " • 3.2 • 1.8 <br /> ^" • ND <br /> 20 <br /> • ND* • ND <br /> 30 0 <br /> r <br /> l <br /> 40 -10 <br /> 10 <br /> LEGEND <br /> ND TPH-D concentration CROSS SECTION A-A' <br /> xx <br /> Sandy fill{excavation) (Ppm) <br /> 10 <br /> SCALE(feet) Silt Blank <br /> Vertical exaggeration=2:1 Cta a ravel Screened interval <br /> Former Mobil Bulk Plant 04-343 <br /> y y 9 500 East Grantline Road <br /> A6TON 0 Silty sand � stabilized water level <br /> Tracy, California <br /> GEOSCIENCE ® Clay on 1114197 C <br /> .,_.. .- ., <br /> ,ND' TPH-G-concentration .. F�GUR`E= 5 <br /> Livermore;California <br /> (PPm) - <br /> ,90-013AIA-A' 9/1q/07 <br />