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.r <br /> -PUBLIC HEALTH SERVICES ,,,00,�-q-vrN, 5% <br />' C, <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DMSION <br /> Karen Furst, M D M PH , Health Officer ' a <br /> 304 East Weber Avenue,Third Floor • Stockton, CA 95202 Fo" '� <br /> 2091468-3420 <br /> AUG 2 0 2001 <br /> TO Responsible Parties <br />' (See attached list) <br /> RE Stockton Metropolitan Airport SITE CODE 1845 <br />' 5000 South Airport Way <br /> Stockton CA 95206 <br /> San Joaquin County Public Health Services, Environmental Health Division (PHSIEHD) <br /> rhas recently reviewed the file for the above referenced site and has the following <br /> comments <br />' In January 1996 a preliminary soil and groundwater investigation was conducted near <br /> the former fuel farm area of the airport Prior to this investigation, a total of sixteen <br /> underground storage tanks (UST's) had been removed from the site The investigation <br />' was limited in scope, and further constrained by the existence of a concrete slab located <br /> underground in the area proposed for investigation A total of two direct push geoprobe <br /> soil borings were advanced for the collection of soil and groundwater samples <br /> Analytical results from the samples evidenced significant petroleum hydrocarbon <br /> contamination to both soil and groundwater <br />' In June 1997 the last four remaining UST's were removed from the site Soil samples <br /> collected from beneath these tanks also evidenced contamination upon analysis In <br /> September 1997 a work plan to continue the investigation of the petroleum hydrocarbon <br /> contamination was submitted to PHSIEHD by Ramage Environmental The work plan <br />' proposes the installation of three shallow groundwater monitoring wells located in such a <br /> way as to surround the former fuel farm area The work plan as submitted is approved <br /> Please proceed with submittal of a San Joaquin County well permit application and <br />' required $89 00 permit fee, and with scheduling the work Forty eight hours notice to <br /> PHSIEHD is required prior to initiation of fieldwork <br />' If you have any questions or comments please call Lori Duncan at (209)468-0337 <br />' Donna Heran, RENS, Director <br /> Environmental Health Division <br />' <br /> Lon Duncan, Senior REHS Dot Lofstrom, R G <br /> LOP/Site Mitigation Unit IV Engineering Geologist <br /> ccarty Hartzell, CVRWQCB <br />' �oe Ramage, Ramage Environmental <br /> A DLVLSiOn of San Joaquin County Health Care Services <br />