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r-v - <br /> hydrocarbon impacted soil had been-remobed from the tank pit see-Table-1). . <br /> ;Subsequently, overexcavatioa was performed again an November 28, 1995.=Work activities were overseen <br /> Ms.Mar aret Le iorio o the San-Jo <br /> by - . g g f aquin-County Environmental Health Division. Approximately 50 <br /> cubic yards of soil was excavated and-stockpiled The'limits of excavation were:screened using PID <br /> equipmentprior to soil sample collection.- The soil sample results indicated.that all hydrocarbon impacted <br /> soil had been removed from the tank pit(see Table 2): - -" <br /> 3:0-SAMPLING AND ANALYSES <br /> -A total of eleven samples were-collected during the project,• aue.(5)soil samples were retrieved on OCtbbeT <br /> " 25 <br /> an six on Nouember28: Three samples(P 1 #hrough P-3)were collected from the fill pipe end of each <br /> tank on October 25, and five samples were collected from tFie f nal"limits of excavation on Navember 28:-- <br /> Two (2) ,two point-composite"samples were,collected'from the "clean" stockpiles and one four-point <br /> composite,was collected from-the "hydrocarbon-impacted".-soil. The samples were collected at, various <br /> locataons_and,depths in the stockpiles to try and secure a single"composite sample which wouldtruly <br /> represent-the stockpile-ds a whole Sample locations-are shown on Figure 2. <br /> The samples were collected-in-brass tubes which were.driven into the sail until completely full,then sealed <br /> with teflon,plastic caps, and tape. The secured sample tubes rwere placed into a cooler.with ice and Chain <br /> - - _. <br /> - - of Custody documentation wakanitiated.. The samples were transported under proper chain-of custody <br /> to Western Environmental Science and Technology of Davis, California. <br /> - All sail``samples-were analyzed for Total Petroleum-Hydrocarbons (TPH) as Diesel (EPA method <br /> 355018015); TPH as Gasoline (EPA'Method 8015) BTEX-Benzene;Toluene,-Ethylbenzene,Xylene:(EPA <br /> method 8020), and Total Lead (EPWMet)aod 6010). The soil sample results are contained in the tables <br /> —below. <br />