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20, <br /> kAq KLEINFELDER <br /> ' .An employee owned company <br /> F8 0 9 2005 <br /> File No. 51726 I:NT HEALTH <br /> February 8, 2005 pfc4 flI/lf <br /> Mr. Wendell Krell <br /> San Joaquin Regional Transit District <br /> 1533 East Lindsay Street <br /> Stockton, California 95205 <br /> Subject: Report <br /> ' Limited Soil Sampling and Analysis <br /> SJRTD Site "O" <br /> Southeast Corner of N. Sutter <br /> ' And E. Channel Streets <br /> Stockton, California <br /> ' Dear Mr. Krell: <br /> This report presents analytical results for soil samples collected in the vicinity of a former <br /> ' gasoline station at the above-referenced site. This report presents a summary of our field <br /> activities, observations, analytical results and conclusions. <br /> ' BACKGROUND <br /> Kleinfelder contracted with San Joaquin Regional Transit District (SJRTD) on an "On-Call" <br /> ' basis during redevelopment and construction at the above referenced site. The site is currently <br /> being developed as a new SJRTD Base of Operations. Kleinfelder was contacted by Mr. Krell of <br /> SJRTD who explained that a petroleum like odor was noted from soil during grading activities in <br /> the northwest corner of the site (southeast corner of N. Sutter and E. Channel Streets). Based on <br /> a 1950 Sanborn Fire Insurance Map, Kleinfelder was also aware that a gas-station was located <br /> previously in the area the odors were noted. The Sanborn Map however did not depict any <br /> ' associated underground storage tanks near this former gas station. See Appendix C for a copy of <br /> the 1950 Sanborn Map. Plate 1 depicts an approximate overlay of the former gas station based <br /> on the 1950 Sanborn Map. <br /> ' PURPOSE <br /> ' The purpose of the soil sampling and analyses was to conduct a screening level survey of <br /> selected petroleum constituents in the area of the site in which soil discoloration and a petroleum <br /> like odor had been noted during excavation activities. <br /> 51726/ST05R157/DH:ly Page 1 of 7 <br /> °2005,Kleinfelder,Inc. February 8,2005 <br /> KLEINFELDER 2825 East Myrtle Street,Stockton, CA 95205-4794 (209)948-1345 (209)948-0621 fax <br />