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5-30-200 10 31 PM FROM p 2 <br /> Sent By Facilities Management, 209 468 2186, May 24 00 11 26AM, Page 112 <br /> To GPe At 83363 <br /> 0 PUBLIC HEALTH SERVICES I VON <br /> ' SAN JOAQU rN COUNTY <br /> ENVIRONMI*NTAL HEALTH DIVISION E IVE <br /> Karen Furst, M.D., M.P.H, Health Officer MAY 1 8 2000 <br /> 304 East Weber Avenue, Third Floor • Stockton,CA 95202 <br /> 209/468-3420 <br /> ' CRAIG OGATA MAY 16 Z= <br /> DIRECTOR OF FACILITIES MANAGPitENT <br /> 212 IIQ SAN JOAQUIN STREET FUITE A <br /> STOCKTON CA 95202 <br /> o r, <br /> RE San Joaquin County Owned Sites Contaminated from Leaking Undersround Storage y <br /> Tanks .0 r"p <br /> On Mey 1 2000,a meeting was held in the office of Son Jo0quin County Public Health Rervim. � S� <br /> Environmental Health Dtvlskm(PHSIEHD)to discuss the investigations and remedial actions at <br /> ' San Joaquin County owned sites that are oontsminaled from unauthorized releases from <br /> air- <br /> -- <br /> underground storage tanks Lon Duncan and I represented PHSIEHD You, Kerry Wasson,and X'-- <br /> Bob <br /> Bob McMillen represented the County as the responsible party for the contarninated sties The me <br /> ' following i5 a summary of the site discussions and PHS/EHD directives for the sites The Airport <br /> facility at 5000 S Airport Way Stockton,was not included in the discussions <br /> It was discussed that a limited amount of money has been allocated by the County for the <br /> investtgaiton and remedtaVon of these sites It Was also discussed that the State of Calitems has <br /> recognizeC that Methyl Ternary Butyl Ether(MTBE)Is a risk to the environment End that In order <br /> to evaluate site pnorties the groundwater at each site must be investigated <br /> Ial0 E HAZELTON,STOCKTON <br /> Soil and groundwater contamination of MTBE as well as petroleum hydrocarbon contaminants <br /> has been confirmed at this site Currently this site is of highest priority The vertical and lateral <br /> extent of the contamination in the soil and groundwater must be defined In addltlon a survey to <br /> locate all wells within 2000 radial feet at this o4o must be conducted The Department of Water <br /> Resources should be contacted to determine it they have information(well togs)indicating the <br /> location and construction of weRs Within 2000 radial feet of this site In addition,California Water <br /> Service should be contacted to Identity the location,construction,and operation of any wells <br /> ' belonging to them within 2000 radial feet of this site Any commercial or industrial sites(Including <br /> Diamond Walnut)that have wells should be contacted for information as weh as any nearby <br /> rasrdencas that may have wells A pnysical search of the area maybe necessary to make WS <br /> deterrrirnateon A work plan to continue the site rriveshgation which includes the well survey must <br /> ' be submdtsd by July 3 2000 <br /> t4s 5 SUTTER,STOCKTON(HUMAN SERVICES) <br /> puarteriy sampling and monitoring of the groundwater at this site must continue Analysis for <br /> oxygenates has not been performed on the groundwater samples collected from;the monitoring <br /> wells at this site Analysis for MTBE, Ethyl Tertiary Butyl Ether(ETRE) Tertiary Amyl Methyl <br /> Ether(TAME), Terhary Butyl Alcohol(TINA),and Dr-isopropyl ether(DIPS)using EPA Method <br /> 8260 must be performed on the groundwater samples cohected from Me monitoring wells for this <br /> site for two quarters of sampling If oxygenates are not detected,the analysis for them can be <br /> 019COn11nued ff oxygenetea aro detected, analyam for them must continuo until otherwise <br /> directed by PHSIEHD <br /> t*R`Fax Note 7671 P-P-1, � <br /> �1 CoR].vrFYI <br /> o0 <br /> Fa■ F�,t <br />