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Applied GeoSystems, 4191-E Power Inn Road, Sacramento, CA 95826 documented the <br /> above site activities <br /> December 1-9, 1988 <br /> On-site, sample borings B1 through B6 and conversion of borings B4, B5 and B6 into <br /> groundwater monitoring wells MWI,MW2, and MW3 <br /> February 10, 1989 <br /> Site Assessment Report <br /> February 16, 1989 <br /> Commencement of drilling/sampling and installing groundwater monitor wells MW4, MWS, <br /> MW6, MW7, MW8 and MW9 <br /> Apnl 11, 1989 <br /> Development of groundwater monitor wells and discovery of free phase gasoline range <br /> hydrocarbons in MW1 and MW3 <br /> l <br /> October 10—28, 1989 <br /> Free product recovery from MW1 and MW3, using pneumatic submersible pumps, 40 25 <br /> gallons of amber colored gasoline recovered <br /> October 10, 1991 —March 5, 1996 <br /> Vapor extraction with destruction using Thermal Oxidizers, removed an estimated 11,975 8 <br /> gallons of gasoline range hydrocarbons (TPHg) along with 48 75 gallons of free phase <br /> product in the condensate drop outs A total of 12,064 8 gallons of gasoline range <br /> hydrocarbons have been removed <br /> March 6, 1996 <br /> Thermal Oxidizer system removed and replaced with Carbon Adsorption system to control <br /> off gas from the vapor recovery <br /> 3 <br />