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UST Removals <br /> RAMCON submitted an application to PHSEHD to remove the six UST's on February 2, 1988 UST's <br /> Identified at the site that were to be removed during February, 1988 included the following <br /> 1 550 gallon waste oil tank <br /> 1 9,950 gallon gasoline tank <br /> 2 4,000 gallon gasoline tanks <br /> 1 3,000 gallon gasoline tank <br /> 1 8,000 gallon gasoline tank <br /> The UST's were removed by RAMCON on February 5, 1988 On February 2, 1988, Ramcon applied for a <br /> permit to PHSEHD to remove the six USTs at the site On February 5, 1988 the UST's were removed from <br /> the subsurface and reportedly transported to H&H Ship Service Company, a metals recycling business <br /> located in San Francisco,California under hazardous waste manifest All dispensers and underground piping <br /> were also reportedly removed Soil samples were reportedly collected from underneath each of the UST's <br /> and transported under chain of custody document to GT Environmental Laboratories in Concord,California <br /> for analysis as follows USEPA Test Method 8020/8015m/5030 and 8010 for volatile organic compounds <br /> 1n addition,the soil samples were reportedly analyzed for EDB and total lead(Applied Geosystems, 1988) <br /> Analytical laboratory reports from GT Environmental Laboratories for the soil samples submitted for analysis <br /> were all reported to contain elevated concentration of volatile organic compounds(VOC's)beneath each of <br /> the UST's Maximum concentrations in the samples were reported as follow benzene(14 mg/kg),toluene <br /> (200 mg/kg),ethylbenzene(130 mg/kg),xylene(850 mg/kg),TPH-gasoline(4,700 mg/kg)and miscellaneous <br /> hydrocarbons (C4 to 12) (3,400 mg/kg) Ethylene Dlbromide concentrations in soil samples analyzed <br /> submitted was reported as below analytical method detection limits Total lead content for the soil samples <br /> was reported to range from non-detection to 8 mg/kg <br /> Significant soil petroleum hydrocarbon contamination was reportedly present underthe former 9,950 gallon <br /> UST(Figure 3)(Applied GeoSystems, 1988) Apparently RAMCON conducted a limited overexcavation <br /> of the petroleum hydrocarbon contaminated soil and stockpiled the soil on site during 1988 Itis estimated <br /> that approximately 100 cubic yards of soil were removed from the former UST location A soil sample was <br /> reportedly collected by RAMCON and analyzed for TPH from a depth of 18 feet below ground surface(bgs) <br /> MmnO\Envao=cnW\ParnarTexam\RePoM1SAR1203wo Page 5 <br />