Laserfiche WebLink
' t 07/28/92 s4 415 726 1217 1 P. 03 <br /> documents were then superimposed and evaluated on a drafting "light table." composite drawing was then <br /> produced which overlaid both the former service station and present bank struct re on the same sheet. <br /> Careful analysis of the aerial photograph also revealed a light patch of concrete n the former service station's <br /> property.This patch of concrete coincided precisely with the area identified in the ire Prevention District permits <br /> which indicated where the underground storage tanks were historically located. <br /> i <br /> Soil borings were then placed in the vicinity of the former tank area,possible pip`ng areas, and in the vicinity of <br /> i <br /> ,the former waste oil storage tank.Final determination of sampling locations was m de by a registered professional <br /> ,engineer,who was also present during drilling and supervised final adjustments to ring locations.Actual drilling <br /> revealed the presence of soils resembling backfill sands produced in a quarry.The;e uniformly graded soils were <br /> encountered in borings 2 and 3 at a depth of 6 to 13 feet. <br /> The above cited documentation and the discovery of the backfill material verified'that drilling was conducted in <br /> the vicinity of the former tanks.Augeas Corporation believes,therefore,that the bo-ings at the Union Safe Deposit <br /> Site were placed as accurately as possible with available resources and documentation made available to it. <br /> Sincerely, <br /> Rosanna Garrison <br /> Attachments <br /> .cc Ms. Leslie Trotter, Union Safe Deposit <br /> f <br /> r <br />