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i y <br /> Soil Sampling Report—Underground Storage Tanks <br /> i� <br /> Name of Business: Souza II LLC <br /> Site Address: 612 11t'Street, Tracy, CA(Figure 1) <br /> Type of Work Performed: Observe tank pull, Collect soil <br /> Date Sampled: September 14,2001 <br /> Tank-Capacity, Contents Type,Condition: <br /> Tank 4,20 ft x 8ft(7,500 G),Unknown fuel, Constructed of: uncoated steel f <br /> Condition: very poor multiple holes ranging from 'Is inch to at least 3'/i inches in diameter. <br /> Excavation dimensions=23 ft x 12 ft x 10 ft, trending in an east west direction. . i <br /> Soil Samples: <br /> kf <br /> [P <br /> Sample ID Depth ft Location Description/Soil Description <br /> TS2-T4-13E 13 East end of tank— 13 ft below gEade, sand S <br /> TS2-T4-13W 13 West end of tank— 13 ft below rg_ade_sand(SW) <br /> TS2-T4-SPA West_side of soil pile, silty cla,v(CL/NII,)& sand(S% <br /> TS2-T4-SPB East side of soil pile,'0 cla (CLM& sand S <br /> NOTES: k <br /> i <br /> Alison Youngblood, PHS/EHD regulator <br /> Dave Barboza, Tracy Fire Dept Battalion Chief <br /> Generator EPA ID: CAC002360583 <br /> Tank 4 tracking#:39-515601 <br /> Manifest#for Tank rinsate: 2114278 <br /> Transporter of tank: Thorpe Oil <br /> Transporter of tank rinsate: American Valley Waste Oil,EPA ID CAL 000827878 <br /> Destination of Tank: Schnitzer Steel Rancho Cordova, CA. <br /> Destination of tank rinsate: Americlean, Silver Springs,NV EPA Td NVD 982358483 <br /> Tank 4 was uncovered and inspected for remaining product. None was apparent. The tank was <br /> rinsed and then rendered inert by placing the appropriate amount of dry ice inside the tank. The k <br /> lower explosive level (LEL) for gasoline and oxygen content was then monitored. When LEL ! <br /> and oxygen levels were within safe limits, Tank 4 was removed.y Soil discoloration was apparent <br /> on the floor of excavation, and a slight diesel/gas odor was noted. Soil samples were collected <br /> from the eastern and western floors of the pit at approximately 2 feet below below the former tank <br /> bottom. PID measurements confirmed the presence volatile constituents in the soil. <br /> 4 i <br /> �i <br /> i <br /> S <br /> f <br /> 1 <br /> R <br /> i' <br /> .� P <br />