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PUBLIC YIEALTH SERA I <br /> CES J <br /> SAN JOAQUIN COUNTY <br /> r. <br /> ENVIRONMENTAL HEALTH DIVISION y <br /> Ernest M. Fujimoto, M. D., M.P.H., Acting Health Officer •` <br /> 304 E. Weber Ave., Third Floor • P. O. Box 388 • Stockton, CA 95201-038 <br /> 2091468-3420 <br /> s <br /> BOB MURDOCH C (o Py <br /> MAILED <br /> MAR 21 199E <br /> CITY OF STOCKTON <br /> 425 NORTH EL DORADO ST <br /> STOCKTON CA 95202 <br /> Re: Fire Station #9 Site Code: 2399 <br /> 550 East Harding Way <br /> i <br /> Pursuant to the January 30, 1995 meeting with City of Stockton representatives, PHS/EHD <br /> has placed the site into the Local Oversight Program and has provided you minimum <br /> regulatory directives. It is hoped that the City of Stockton has already submitted a Clean- <br /> up Fund application as suggested in 1994. <br /> Site Summary <br /> The 500 gallon tank # 39-2399-01 which stored diesel was removed on November 7, <br /> 1990 and samples were collected. The PHS/EHD inspector, W. Snavely, noted that there <br /> was a petroleum odor associated with the sample collected at 12 feet beneath the former <br /> underground storage tank (UST) and discoloration and petroleum odor associated with the <br /> sample collected at 5 feet beneath the former piping. The soil sample collected from <br /> beneath the former UST was obtained after the concrete material used to stabilize the <br /> former UST was removed. Information with regard to stockpile disposition is not available. <br /> Sample ID Depth TPH-diesel benzene toluene ethylben xylene <br /> SF-1C 12 feet < 1 <.005 <.005 <.005 <.005 <br /> SF-SW 5 feet < 1 <.005 0.0087 0.009 0.21 <br /> 'Note: all sample results In ppm (mg/kg) <br /> The results were reported with a geologic evaluation which indicated that there was a <br /> slight to moderate product odor associated with the sample collected from beneath the I <br /> former UST and a strong product odor associated with the sample collected from beneath <br /> the former product line. When evaluating the analytical results with the field observations, <br /> it should be noted that the analysis was not performed until 13 days after the date of <br /> collection for TPH-diesel and 14 days for BTEX. The maximum holding time of samples for <br /> petroleum analysis is 14 days. Usually analysis is completed within 7 days of collection. <br /> The tank was disposed of at Cal Coast Tank, 424 South Tegner Road, Turlock CA 95380 <br /> on December 10, 1990. The tank rinsate which comprised approximately 60 gallons was <br /> transported under manifest to The Kiesel Company, #1 Branch Street, St. Louis Missouri <br /> 63147. ; <br /> A Division Of San Joaquin County Health Care Services k <br /> k <br />