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1 I <br /> Quarterly Report - Second Quarter and Third Quarter 2001 <br /> FERNANDO'S PLACE <br /> 1201 South Center Street, Stockton, California , <br /> 1.0. INTRODUCTION <br /> In accordance with the request of Mr Roger Huckins, Advanced GeoEnvironmental,Inc (AGE)has <br /> prepared this quarterly report for the property located at 1201 South Center Street, Stockton, <br /> California(the site) The scope of work included measurement of depth to water in the five on-site <br /> montoring wells during the second quarter 2001, quarterly groundwater monitoring during the third <br /> quarter of 2001 and preparation of this report The location of the site and the munediately <br /> surrounding area are illustrated on Figure 1, structures and monitoring well locations on the site are <br /> illustrated on Figure 2 <br /> l2.0. BACKGROUND <br />' According to Foothill Engineering's (FE) Work Plan - Phase 2 Site Investigation, 1201 S Center <br /> Street, Stockton, CA, dated 28 May 1999, two five-hundred gallon and one 8,500-gallon gasoline <br /> underground storage tanks(UST 1, UST 2 and UST 3,respectively) were removed from the site by <br /> • Jim Thorpe Oil on 26 October 1994 Ten soil samples were analyzed from the excavation soil <br /> stockpile, the UST excavations and the product piping by GeoAnalytical Labs Each sample <br /> contained detectable concentrations of petroleum hydrocarbons FE reported that the highest <br /> concentrations were encountered near the west end of UST 3 (Figure 2) The excavation was <br /> backfilled to surface grade following sample collection <br /> On 28 April 1998, soil boring PB 1 was advanced near UST 1 and UST 2 to a depth of 30 feet below <br /> surface grade (bsg)`for the collection of soil'samples Analyzed samples contained total petroleum- <br /> hydrocarbons quantified as gasoline (TPH-g) at concentrations as high as 14,100 milligrams per <br /> I kilogram(mg/kg) Additionally, samples collected from the pilot boring for MW-1 on 28 April 1998 <br /> contained high concentrations of TPH-g and benzene, toluene, ethylbenzene and total xylenes <br /> (BTEX) to a depth of fifty feet bs'g <br /> IFour additional ground water monitoring wells were installed by FE betwen 08 and 12 March 1999 <br /> Analyzed. soil samples collected from monitoring well pilot borings contained detectable <br /> concentrations of TPH-g to depths as great as 105 feet bsg and BTEX constituents to depths as great <br /> as 120' bsg Figure 2 illustrates former UST and monitoring well locations <br /> J <br /> 3.0. PROCEDURES <br /> IOn 04 June 2001 approximately 550 gallons of waste water generated during ground water <br /> monitoring was transported and disposed In addition, depth to water was measured in the five <br /> monitoring wells on 29 June,2001 ,and quarterly ground water monitoring was performed on <br /> Advanced GcoEnvironmentai,Inc <br />