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Activities Planned (Check those that are applicable) <br />II SITE INFORMATION <br />Site Description: Stockton Metro Airport Fuel Farm <br />Unusual Features: Possible overhead and underground utility lines Underground Service <br />Alert (USA) will be called prior to site work Please refer to attached Underground Utilities <br />Location checklist <br />Site Background/History. The property has been and is used as a refueling facility for the <br />Stockton Metro Airport According to available records, twenty-two (22) of twenty-three (23) <br />USTs on the airport property have been removed The remaining UST is currently <br />operational at the site Soil sampling beneath the former underground storage tanks indicated <br />that soil and possibly groundwater have been impacted by aviation gas (AvGas) and het fuel <br />(Jet A) related hydrocarbons Concentrations of AvGas and Jet A hydrocarbons up to 7400 <br />parts per million (ppm) were detected in subsurface grab samples following tank removal <br />Overall Hazard ❑ Serious ❑ Moderate ■ Low❑ Unknown <br />Level: <br />Comments <br />2 <br />underground storage tank removal <br />oversight of soil excavation with backhoe or other equipment <br />confirmation soil sampling during soil excavation and removal <br />soil gas survey <br />X <br />soil boring, soil and groundwater sampling <br />drilling of wells, including installation, development and sampling of <br />groundwater and soil <br />groundwater sampling of onsite wells <br />IL <br />other <br />II SITE INFORMATION <br />Site Description: Stockton Metro Airport Fuel Farm <br />Unusual Features: Possible overhead and underground utility lines Underground Service <br />Alert (USA) will be called prior to site work Please refer to attached Underground Utilities <br />Location checklist <br />Site Background/History. The property has been and is used as a refueling facility for the <br />Stockton Metro Airport According to available records, twenty-two (22) of twenty-three (23) <br />USTs on the airport property have been removed The remaining UST is currently <br />operational at the site Soil sampling beneath the former underground storage tanks indicated <br />that soil and possibly groundwater have been impacted by aviation gas (AvGas) and het fuel <br />(Jet A) related hydrocarbons Concentrations of AvGas and Jet A hydrocarbons up to 7400 <br />parts per million (ppm) were detected in subsurface grab samples following tank removal <br />Overall Hazard ❑ Serious ❑ Moderate ■ Low❑ Unknown <br />Level: <br />Comments <br />2 <br />