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Site Street Address 3810 Bradley Road City Colorado Sprines. Colorado <br />C. SITE INVESTIGATION <br />Storage tank removal/closure in place. (Complete Section D-1 to describe tank <br />excavation dimensions, soil laboratory results, etc.). <br />a) How many tanks were removed during this investigation? Zero (0) <br />b) How many tanks remain on site which are in operation? Two (2) ASTs <br />c) How many tanks remain on site which have not been properly closed in place ? <br />Zero (0) <br />d) Liston the table below information concerning tank removal closure in place. <br />(Tank # as identified on Figure 1 and/or 2, Appendix C). <br /> Date Indicate closed Tank Condition Contamination Samples <br />Tank # Removed in place(I), (corrosion, Suspected? Analyzed? <br /> or Closed removed R holes, etc. /n /n <br />NA <br />e) Were tank removal or closure in place activities performed in accordance with API <br />recommended practice 1604, or equivalent? (yes/no) NA If no, describe tank <br />removal/closure in place activities. [1] <br />2. Subsurface investigation such as for a property transaction, or to confirm release <br />detection or system failure. (Complete Section D-2 to describe soil boring installations, <br />soil laboratory results, etc.). -Transit Mix personnel used a backhoe to excavate and <br />separate the darker soil from the surrounding native fill and then over-excavated several feet <br />in all available directions. Higgins and Associates personnel completed the investigation by <br />soil sampling the excavation on September 16`h and that data is presented in Section D. <br />a) Liston the table below information concerning site investigation. <br />Sample # Date of <br />Invesli ag tion Contamination Suspected? <br />~Y/n) <br />- - - Samples Analyzed? <br />(Y/n) i <br />NA <br />- 1 <br />~9/OS <br />1, <br />n <br />b) If this investigation was performed as the result of release detection or system failure <br />what part of the UST system failed? [1] A fitting inside the base of the pump failed. <br />i. Was the system repaired? (yes/no) yes. The pump was removed and a temporary was <br />installed. Transit Mix anticipates installing an upgraded filling station at this location which <br />will include a new pump and a concrete containment filling area. <br />ii. Date of repair. [1] Temporary repair made on approximately 9/11/05 and the complete <br />upgrade is expected to be completed by the end of October. <br />SCR - 02/01/99 <br />