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<br /> Raymond Investment Corporation-Stockton,CA
<br /> Page 3 of 3
<br /> `. TAME, 1,2-DCA, and EDB) TPH-G was detected at 170 micrograms per liter (µg2) in the groundwater & k s LA)
<br /> I
<br /> sample collected from monitoring well MW-1 during the May 4, 2005 groundwater monitoring event No l0 1 L
<br /> Petroleum hydrocarbons were detected at or above the laboratory reported detection limits in the samples �'
<br /> collected from monitoring wells MW-2 or MW-3R i�i �0 Ot
<br /> On August 16, 2005, a Condor representative was on Site to measure water levels and collect
<br /> groundwater samples from monitoring wells MW-1, MW-2, and MW-3R The average groundwater
<br /> elevation to the monitoring wells was —18 50 feet, the estimated groundwater gradient for the Site was
<br /> 0 0045 ft/ft to the east-northeast Groundwater samples were analyzed for J PH-G, TEPH-D, TEPH-MO, -and TEPH-K, BTEX, and gasoline oxygenates/additives (methanol, ethanol, TBA, MTBE, DIPE, ETBE,
<br /> TAME, 1,2-DCA, and EDB) TPH-G and TEPH-D were detected at 92 and 82µg/L, respectively, in the
<br /> groundwater sample collected from monitoring well MW-2 No other analytical constituents were
<br /> detected at or above the laboratory reported detection limits in the sample collected from MW-2 None of
<br /> the analytical constituents were detected at or above the laboratory reported detection limits In the
<br /> samples collected from monitoring wells MW-1 or MW-3R r
<br /> Based on historic groundwater monitoring data for the Site through the third quarter of 2005, Condor
<br /> recommended consideration for site closure in the Third Quarter Groundwater Monitoring Report, dated
<br /> October 5, 2005 In a telephone conversation on October 27, 2005, Ms Victoria McCartney of the
<br /> S7CEHD indicated that she would review the Site for potential closure and requested that groundwater
<br /> monitoring continue while the potential for closure was evaluated
<br /> On November 18, 2005, a Condor representative was on Site to measure water levels and collect
<br /> groundwater samples from monitoring wells MW-1, MW-2, and MW-3R The average groundwater
<br /> elevation in the monitoring wells was -19 18 feet, the estimated groundwater gradient for the Site was
<br /> 0 005 ft/ft to the east-northeast Groundwater samples were analyzed for TPH-G, TEPH-D, TEPH-MO,
<br /> i and TEPH-K, BTEX, and gasoline oxygenates/additives (methanol, ethanol, TBA, MTBE, DIPE, ETBE,
<br /> TAME, 1,2-DCA, and EDB) None of the analytical constituents were detected at or above the laboratory
<br /> reported detection limits In any of the samples
<br /> P 13000 prj13849 Raymond Investment Beverly Garcia\3849H Raymond Investments Groundwater Mon itonnglReports\Reports\Site
<br /> Background doe
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