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� - ^.ax.k-.«;A 'ass - ,� i-' ; .'- .per .r-__s: n.;Fi '.sem. dz-.',.s 'f ?$wTii''�.e "� _•;z"%''.§ "�';;x i' tea._ -^� :"w-_ti` s: . ,„ z Jr�-:a q <br /> x <br /> r <br />�Y F <br /> z <br /> 5 <br /> 4 � <br /> LINT OF F'IGUREf, <br /> FIGURES 17 <br /> Figure 1. Location of formcr Chevron SS 9-1910, 45 East <br /> Harding Way, Stockton, California indicating <br /> local topography and proxAmate. water wells <br /> Figure 2. Location of monitoring toolls and soilborings <br /> i completed as vapor extraction wells installed <br /> 23, 34, and 25 January 1989 including <br /> monitoring wells inatolled in November 1988 at <br /> ,former Chevron SS 9-•:918, 4S E. (larding Way <br /> stocktan, Californic <br /> ! Figure� 3. Igoconcen ration contours (.mq/L) of benxcnc in r the groundwater at forger Chevron SS 9-1918, <br /> 7 F'ebru4ry 1989 <br /> I <br /> Figure 4. Isaconcentration contours (mg/L) of toluene in <br /> the groundwater at former Chevron SS 9-1918, <br /> 7 February 1989 <br /> Figure 5. Isaconcentration contoursm L <br /> g/ ) of <br /> ethylbcntrne in the groundwater at former <br /> Chevron SS 9^1918, 7 scb_uar,y 1989 <br /> Figure 6. Isaconcentration contours (erg/L) of xylenes in <br /> the groundwater at forcer Chevron SS 9-1918, <br /> 7 February 1989 <br /> Figure 7. Tsoconcentration contours (mg/L) of total <br /> petroleum hydrocarbons in the groundwater at <br /> former Chevron SS 9-1913, 7 February 1989 <br /> Figure S. Isaconcentration contours (mg/kg) of total <br /> petroleum hydrocarbons in the soils at 16 feet <br /> at former Chevron SS 9-1918 <br /> 1 Figure 9. Isoconcentration contours (ng/kg) of total <br /> petroleum hydrocarbons in the soils at 21 feet <br /> at former Chevron SS 9-1918 <br /> Figure 10.Isocancentration contours (ng/kg) of total <br /> petroleum hydrocarbons in the soils at 25 feet <br /> at_forner Chevron SS 9-1918 <br /> ----- Figure 11,I30concentration centaurs (mg/kg) of tata3. �-------- -- -- <br /> . petroleum hydrocarbons in the soils at 31 feet <br /> at former Chevron SS 9-1918 <br />