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Kennedy/Jenks/Chilton <br /> Conclusions <br /> ' Although petroleum hydrocarbons, benzene and xylenes were detected to <br /> monitoring well MW-1, chemicals were not detected in samples collected <br /> ' from the well installed in the approximate downgradient direction (MW-5) <br /> of well MW-1. Monitoring well MW-1 was installed adjacent to the tank <br /> location, in the upgradient direction. Although the tank reportedly <br /> only contained diesel fuel , petroleum hydrocarbons (as gasoline) and <br /> ' BXT&E were also detected in well MW-1 during the Preliminary Site <br /> Investigation. <br /> Petroleum naptha was detected in a soil sample collected during the <br /> drilling of MW-5. Because petroleum naptha is not associated with the <br /> fuel products that have been detected at the site, and there has been no <br /> reported usage of solvents at the site, the petroleum naptha most likely <br /> ' did not originate from the Cal-Farm facility. In addition, this <br /> chemical was not detected in any other samples analyzed. <br /> ' The lateral extent of chemicals in so;l and groundwater, apparently <br /> associated with the tank, appears limited Soil samples collected from <br /> the tank excavation did not contain hydrocarbons. In addition, the <br /> ' chemicals detected in soil and groundwater in the vicinity of the tank <br /> do not appear to have migrated appreciably during the time the site has <br /> been monitored. Therefore, additional work does not appear necessary. <br /> 1 <br /> 1 <br /> ' WPI13 2 6 882526.01 <br />