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PUBLIC HEALTH SERVICtS o QU�N <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Karen Furst, M.D., M.P.H., Health Officer <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 <br /> 2091468-3420 <br /> CARL N & SUZANE RICCELLI APR 2 3 200$ <br /> 3776 W GRANTLINE <br /> TRACY CA 95376 <br /> RE: Gilliland Property SITE CODE: 2453 <br /> 3776 W. Grantline <br /> Tracy CA 95376 <br /> As the responsible party to the above referenced site you were notified by San Joaquin <br /> County Public Health Services, Environmental Health Division (PHSIEHD) in <br /> correspondence dated December 31, 1999 that the site had been assigned to the <br /> PHSIEHD Local Underground Storage Tank (UST) Oversight Program for oversight of <br /> assessment and cleanup activities at contaminated UST sites. <br /> On April 20, 1990 three UST's were removed from the site under permit and inspection <br /> by PHSIEHD. Six soil samples and one grab water sample were collected from the <br /> bottom of the former tank pit excavation. Analytical results of the soil samples were <br /> positive for petroleum hydrocarbons at levels up to 560 milligrams per kilogram (mg/kg) <br /> total petroleum hydrocarbons as gasoline (TPHg), 520 mg/kg benzene, 45.6 mg/kg <br /> toluene, 162 mg/kg ethylbenzene and 486 mg/kg xylenes. Analytical results of the water <br /> sample were positive for 11 micrograms per liter (µg11) TPHg, 190 µg11 benzene, 220 µg11 <br /> toluene, and 580 µg/l xylenes. Our records indicate that neither the soil samples nor the <br /> water samples were analyzed for methyl tertiary butyl ether (MtBE). <br /> Please submit a work plan to PHSIEHD to investigate the vertical and lateral extent of <br /> the documented petroleum hydrocarbon contamination at this site. The work plan must <br /> include sampling and analysis of both soil and groundwater samples for TPHg by EPA <br /> Method 8015m, benzene, toluene, ethylbenzene and xylenes by EPA Method 8020, and <br /> fuel oxygenates including MTBE, as well as ethylene dibromide and 1,2-dichloroethane <br /> by EPA Method 8260. A list of environmental consultants currently working in the San <br /> Joaquin County area is enclosed for your use. The work plan is due June 25, 2001. If <br /> you have any questions please call Lori Duncan at (209) 468-0337. <br /> Donna Heran, REHS, Director <br /> Environmental Health Division <br /> CCIA Gt t�u COIL�. <br /> Lori Duncan, Senior REHS Dot Lofstrom, R.G. <br /> LOP/Site Mitigation Unit IV LOP/Site Mitigation Unit IV <br /> cc: Marty Hartzell, Regional Water Quality Control Board, Central Valley Region <br /> A Division of San Joaquin County Health Care Services <br />