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5--30-200 10 31 PM FROM P 2 <br /> Sent By Facilities Management, 209 468 2166, May-24-00 11 .26AM, Page 112 <br /> To GPy At 83363 <br /> PUBLIC HEALTH SERVICES <br /> SAN JOAQUIN COUNTY EC I E a ai <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Karen Furst, M-D., M.F.H, Health OfficerMAY 8 X06! <br />' 304 East Weber Avenue, Third Floor • Stockton, CA 95202 <br /> 2091468-3420 <br /> CRAIG 0GkTA MAY 16 Z= <br /> DIRECTOR OF FACILITIRS MANAGEMENT <br /> 1 212 N SAN JOAQUIN STREET SUITS A <br /> STOCKTON CA 95202 0 �� <br /> RE, San Joaquin County owned Sites Contaminated from Leaking Underground Storage <br /> Tanks tV CI <br /> On May 1,2000,a meeting was-held in the office of San Joaquin County Public Health servic4s, <br /> Environmental Health Viviskrn(PHSlEHD)to drsauss the investigations and remadml actions at <br /> San Joaquin County owned sites that are oontsminaled from unauthorized releases from a <br /> underground storage tanks Lon Duncan and I represented PHS/EH0- You, Kerry Wasson,and = x <br /> Bob McMillen represented the County as the responsible party for the contaminated sites The ro <br />' following IS a summary of the site discussions and PHSIEHD 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 /> investigaiton and remediation of triese sites It was also discussed that the State of Calitomw has <br /> recognized that Methyl Tertiary Butyl Ether(MTBE)is a risk to the environment and that in order <br /> to evaluate site pnorties the groundwater at each site must be investigated <br />' I$10 E MMELTON,STOCKTON <br /> Soll and groundwater contarnlnatron of MTBE as well as petroleums hydrocarbon contaminants <br /> has been confirmed st tiara site Currently,this site is of highest pnority The vertical and lateral <br /> extent of the contamination in the soil and groundwater must be cWlned In addition, a survey to <br /> locate all wells within 2000 radial feet of this site must be Conducted. The Department of water <br /> Resources should be contacted to determine if they he"Information(well Ings)indicating the <br /> location and eonatrucbon of wells within 2000 radial foot of this site In addition,Caldornla Wager <br /> Service should be contacted to identity the 10 iMion,Construction,and operation of any walla <br /> belongrnp to them volhin 2000 radial feet of this site Any commeMi8i or Industrial sites (Including <br /> Diamond Walnut)that have wells should be contacted for information as well as any nesrDy <br /> rnsidencea thot may have wells A pnyshcal search of the sink may be necessary to make this <br /> determination A work plan io continue the site investigation which includes the well survey must <br /> be submitted by.fury 3 2000 <br /> 14s s SUTTFJ4,STOCKTON(HUMAN SERVICES) <br /> Ouartedy sampling and monitonng of the groundwater at this arta 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(E TOE).Tertiary Amyl Methyl <br /> Ether(TAME), Terhary Butyl Alcohol(TBA), and Dr-isopropyl ether(DIPE)using EPA Method <br /> $260 must be perforrned on the groundwater samples collected from the monrtonng W0113 for this <br /> arta for two quarters of 6111frrmprrng if oxygenates are not detected,the analysis for them can be <br /> dsscorilipued tf oxygenates are detected,analysis for them must continua until otherwise <br /> directed by PHS/EHO -- <br /> p'amw fax Note 7871 o■u g�2s� o*ir�er� <br /> RCOA3411A <br /> oa <br /> pro"I Pham• <br /> Fa■ I <br /> F■a• <br /> 1 <br />