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tl INC <br /> The soil beneath former Tank #1 is described as being brown (7 5 YR 414) medium dense, <br /> silty sand and medium grained sand The soil is generally moist Appendix V depicts <br /> photographs of the former tank site and the surface hydrocarbon stained soil The <br /> hydrocarbon stained soil present in the subsurface immediately below the former tank <br /> location was principally dark yellowish brown (10 YR 416) silty sand and had a strong <br /> gasoline fuel odor <br /> Gasoline impacted soil was found to extend to a depth of approximately 43 feet below <br /> ground surface Exhibit 5 depicts the location of cross-sections A-A' and B-B' Cross- <br /> section A-A' and B-B' depict the vertical and estimated horizontal extent of the gasoline <br /> impacted soil (Exhibits 6 and 7) <br /> The excavation was inspected by PHSEHD on at least five occasions The results of all <br /> confirmation soil samples obtained from the sidewalls and floor of the excavation are <br /> presented in Table 2 and Appendix IV <br /> i <br /> After review of the soil sample laboratory analytical results, PHSEHD concurred that the <br /> excavation could be backfilled The excavation was backfilled with clean native soil and <br /> compacted to a maximum field density of approximately 95% All fill was compacted under <br /> oversight by Raney Geotechnical Inc personnel A report of the backfill oversight and <br /> artificial fill compaction certification will be provided by Raney Geotechnical Inc <br /> I <br /> 08220010 011 30 <br />