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L� `f <br /> PUBLIC HEALTH SERVICES O.p4u�N'•.0 <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION y < <br /> Ernest M. Fujimoto, M. D., M.P.H., Acting Health Officer <br /> 304 E. Weber Ave., Third Floor a R O. Box 388 • Stockton, CA 95201-0388 �`gcj Q• a`P <br /> 2091468-3420 <br /> ROB WOOTON <br /> STOCKTON SAVINGS CORPORATION <br /> 501 WEST WEBER AVENUE <br /> STOCKTON CA 95203 <br /> RE: CALIFORNIA BUILDING <br /> 11 S SAN JOAQUIN STREET <br /> STOCKTON CA <br /> San Joaquin County Public Health Services, Environmental Health Division <br /> (PHS-EHD) is pleased to provide this letter to you regarding the regulatory <br /> requirements for the leaking underground storage tanks (USTs) located near the <br /> California Building, as identified and reported in the Phase I Environmental Site <br /> Assessment report dated August 30, 1996. <br /> Of those sites listed in the report, three are located near the building of interest: <br /> The Human Services Building site, located at 145 S. Sutter Street, has a <br /> documented groundwater plume. Reports for this site show the <br /> groundwater flow direction to be variable, ranging in direction from the <br /> northeast to the southwest. However, the California Building is located <br /> generally upgradient of this groundwater plume (opposite the general <br /> direction of groundwater flow). Also, the plume has been delineated in the <br /> general direction of the California Building with the two groundwater <br /> monitoring wells located in the upgradient direction of the release showing <br /> non detectable results. These records show the groundwater beneath the <br /> California Building is currently not affected by this release and will likely <br /> not be affected by it in the future_ <br /> A release from the diesel tank at the Canlis Building was documented in <br /> 1992 when five soil borings were installed around and under the tank. All <br /> of the soil samples from the five borings showed non detectable results <br /> with the exception of two, both from soil boring #5. The soil samples <br /> collected from 20.5' and 25.5' below ground surface from soil boring #5 <br /> indicated low levels of diesel contamination. The data gathered to date <br /> A Division of San Joaquin County Health Care Sen•ices <br />