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Alp <br /> CHRONOLOGY <br /> PACIFIC PRIDE RIPON CARD LOCK <br /> 816 S. HWY 99 FRONTAGE ROAD, RIPON <br /> 9117/02 Underground storage tank piping removed and soil samples collected <br /> beneath the piping. Analytical results were 18,000 mg/kg of TPH-diesel <br /> and 1600 mg/kg of TPH-gasoline in sample PP-1, 5100 mg/kg of TPH- <br /> diesel and 41 mg/kg TPH-gasoline in PP-2. Samples PP-3 through PP-7 <br /> had concentrations of TPH-diesel beneath 3 mg/kg and no detection of <br /> TPH-gasoline. All other constituents tested for were non detect except <br /> PP-1 had .14 mg/kg of ethyl benzene. The samples were collected at 3 to <br /> 4 feet below surface grade (bsg). <br /> 10/11/02 Site placed in Local Oversight Program. i <br /> i <br /> 12/10/02 Work pian submitted to Environmental Health. <br /> 12/11/02 Electronic unauthorized release form completed in Geotracker. <br /> 12/13/02 Work plan approved. <br /> 3/11-12/03 Geoprobes B1 through B5 completed with soil and water samples <br /> collected for analysis. <br /> 618103 Date of Preliminary Site Assessment Report of March 2003 work. Ten soil <br /> and five groundwater samples were analyzed and there was no detection <br /> of contaminants. Groundwater was at about 28 feet bsg. Soil samples <br /> analyzed were from 10 to 30 feet bsg. B1 through B3 were bored within <br /> 10 to 20 feet of PP-1 and PP-2. <br /> 6116103 Environmental Health staff review and concurrence with no further action <br /> required conclusion of consultant. <br />