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LOWNEVASSOCIATES <br /> Environmental/Geotecnnical/Engineering Services <br /> s <br /> i, <br /> November 4, 1993 <br /> 500-113A, MV110206 <br /> i <br /> Ms. Susan Scheib RE: SOILQUAI=EVALUATION <br /> FIRST NA'T'IONWIDE BANK WEST LANE PLAZA <br /> 33 New Montgomery Street, 7th Floor STOCKTON, CALIFORNIA <br /> San Francisco, California 94105 <br /> I <br /> ij <br /> Dear Ms. Scheib: <br /> As requested, we are pleased to present this report summarizing our soil quality <br /> reconnaissance at the above-referenced site. This investigation was performed in <br /> accordance with our proposal dated September 24, 1993 and included the drilling <br /> t" of three exploratory borings adjacent to an underground waste oil storage tank <br /> located on-site. Reportedly, this tank was installed during construction of the on- <br /> site buildings in the early 1980s. <br />}. Analysis of a soil sample collected near the rank at a depth of approximately <br /> 11 feet did not detect petroleum hydrocarbons or halogenated volatile organic <br /> compounds. In addition, no soil discoloration, petroleum odors, or elevated <br /> organic vapor meter readings were noted during drilling. Based on these data, <br /> the tank does not appear to have significantly impacted underlying soil quality. <br /> However, due to the age of the tank and its presumed single-walled steel <br /> . construction, consideration should be given to removing the tank per the <br /> appropriate closure regulations. <br /> We refer you to the text of the' <br /> report for details regarding the site activities and <br /> recommendations. If you have any questions, please call. <br /> Very truly yours, <br /> LOWNEY ASSOQATES i? <br /> i <br /> i <br /> • V w <br /> Belinda VJPeters Ron L. Helm, R.E.A. <br /> Environmental Engineer Environmental Geologist <br /> '' 3�ONlfF,irT�G <br /> RI.H:SIF:BJP <br /> Copies: Addressee (2) <br /> ' P40. 02215 <br /> Expires:&30.94 <br /> 3 <br /> � t <br /> 405 Clyde Avenue, Mountain View, California 94043 (415k 967-2365 FAX (415) 967-2785 <br />