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+ 1 <br /> CLOSURE SUMMARY FOR 7777 W 11TH ST TRACY CA <br /> Piedmont Lumber Site Code: 506243 <br /> July 19, 1996 One 350 gal. UST removed under PHS/EHD inspection; strong odor and <br /> soil discoloration observed. <br /> July 22, 1996 Soil samples collected below UST evidence BTEX and TPHg <br /> contamination. UAR and PROP 65 completed. <br /> August 13, 1997 Site entered LOP. NOR sent. <br /> Nov. 4-5, 1997 Soil and water samples collected from MW borings evidence BTEX, <br /> TPHg and MTBE. Soil was ND at 20-25 feet bsg in borings. <br /> March 30, 1998 On site domestic well sampled ND for BTEX and TPHg (MTBE not <br /> analyzed for); domestic well destroyed under PHS/EHD permit on 9/14/98. <br /> August 24, 1999 MW1 and MW-BT groundwater sampled ND for TPHd- <br /> September 30, 1999 Ammended"File Closure Report"reviewed. <br />