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APPENDIX D <br /> FIGURES & PHOTOGRAPHS OF THE <br /> TANK CLOSURE ACTIVITIES <br /> FIGURE 1: July 26, 1994, siltstone sampling locations for the <br /> closure of UST 871-D1U1. <br /> PHOTOGRAPH 1: Underground tank 871-DlUl being removed from the <br /> ground on July 26, 1994. <br /> PHOTOGRAPH 2: Bill Snavely of San Joaquin County and Marion <br /> Heaton of LLNL attempting to drive a sampling container into siltstone at <br /> the bottom of the 871-DlUl excavation on July 26, 1994. When it was <br /> determined that the siltstone was too hard, samples were collected from <br /> the backhoe bucket. <br /> PHOTOGRAPH 3: Patti Muck and Marion Heaton of LLNL collecting a <br /> soil sample from the 871-DlUl underground piping trench on July 26, <br /> 1994. <br /> PHOTOGRAPH 4: A jackhammer attached to the excavator breaks up the <br /> siltstone in the 871-DIU1 excavation on August 23, 1994. <br /> PHOTOGRAPH 5: Diane Hinson of San Joaquin County and Charlie <br /> Brown on LLNL examine soil (siltstone) excavated at the bottom of the <br /> 871-DlUl excavation on August 25, 1994. <br /> PHOTOGRAPH 6: The 871-DlUl excavation being filled with clean pea <br /> gravel in anticipation of installation of a double-wall underground tank <br /> 871-D1U2. <br /> D-1 <br />