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I <br /> �� KLEINFELDER <br /> June 1, 1994 <br /> File: 23-Y00001 <br /> Mr. Walt Nichols <br /> The City of Stockton <br /> ' Department of Public Works <br /> City Hall Room 317 <br /> Stockton, CA'95202-1997 - <br /> Subject: City of Stockton Site <br /> 133 South Sutter Street <br /> Stockton, California <br /> Dear Mr. Nichols: <br /> I have reviewed Kleinfelder's archived reports and a letter from San Joaquin County Public Health <br /> Services/Environmental Health Division (PHS/EHD) regarding the site at 134 South Sutter <br /> Street. The PHS/EHD is recommending that the City of Stockton submit a work plan for <br /> additional investigation in the vicinity of the former oil/water separator sump and former UST #4. <br /> !E The City of Stockton built a new garage at the site in 1988 and 1989. During the course of the <br /> demolition, grading and construction of the site, previously unknown fuel storage tanks were <br /> encountered. Kleinfelder was retained by the City of Stockton to observe the removal of the <br /> tanks and to collect soil samples beneath the tanks. Kleinfelder's environmental sampling for the <br /> project began on October 6, 1988. Soil samples were collected beneath the following tanks: <br /> • Two 1,000 gallon storage tanks (#1 and 92) <br /> • One oil/water separator sump <br /> • One 500 gallon storage tank(#3) <br /> • One 1,200 gallon storage tank (#4) <br /> Results of the tank content and soil sampling events are presented in the following reports: <br /> • "Soil Sampling Results" dated October 19, 1988; <br /> • "Soil Sampling Results" dated November 7, 1988; <br /> • "Waste Oil[Water Separator Sump" dated November 7, 1988; <br /> • "Sampling Results" dated March 8, 1989; <br /> • "Soil Sampling for Soil Excavation" dated March 9, 1989; and <br /> + • "Soil Sampling Results" dated March 22, 1989. <br /> f <br /> It should be noted that in 1988, this was an active construction project with a tight time schedule. <br /> As unknown underground storage tanks were discovered, the City of Stockton notified <br /> GL3-44(1994) Page 1 of 5 June 1, 1994 <br /> Copyright 1994 Kleinfelder, Inc. <br /> KLEI\EELDER 2121 Cafifornia 81Vd., Suite 570, 4Vainut Creek, CA 94590 (415) 938-5610 <br />