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Page 1 of 3 <br /> Vicki McCartney [EH] <br /> From: Vicki McCartney [EH] <br /> Sent: Thursday, September 25, 2014 4:37 PM <br /> To: 'Condon, Cori@Waterboards' <br /> Subject: RE: Waste oil tank removals at 2494 E. Fremont St. in Stockton <br /> Attachments: Lead Data for 2494 Fremont St.pdf <br /> Hi Cori, <br /> I did not find any groundwater analyzed for lead. <br /> What I did find is that soil sample ST-4 was analyzed for organic lead and it was non-detect; the STLC lead was <br /> 0.46 mg/L and the TCLP lead was non-detect. <br /> I have attached a map showing where soil sample ST-4 was collected and a map showing that the area where <br /> ST-4 was collected was over-excavated. <br /> One other thing, I do have soil data for SB-19; a map shows the location of SB-19 and Table 1 shows the <br /> analytical lead results for SB-19 at 40, 50, 60 and 70 feet below surface grade. This is the best lead data that <br /> can find. <br /> Vicki McCartney, Senior REHS <br /> San Joaquin County <br /> Environmental Health Department <br /> 1868 East Hazelton Avenue <br /> Stockton, California 95205 <br /> Phone: (209)468-9852 <br /> Email: vmccartney(&sicehd.com <br /> . Q <br /> Wl <br /> From: Condon, Cori@Waterboards [mailto:Cori.Condon@waterboards.ca.gov] <br /> Sent: Thursday, September 25, 2014 2:56 PM <br /> To: Vicki McCartney [EH] <br /> Subject: RE: Waste oil tank removals at 2494 E. Fremont St. in Stockton <br /> Hi Vicki, <br /> I have been looking over the data from Fremont Shell and am wondering if groundwater was ever <br /> analyzed for lead. One 8,00-gallon tank used to store premium leaded gas was removed in 1996 and in <br /> the Case Closure Summary Before and After Cleanup table it indicates a soil sample contained 19 mg/kg <br /> of lead,which seems a bit high to me compared to other cases I've reviewed in San Joaquin County. Can <br /> you tell me if there is any groundwater data for lead?Or if the lead in soil was ever delineated? <br /> Thank you, <br /> Cori Condon, PG,CI-Ig <br /> Senior Engineering Geologist <br /> Underground Tank Program <br /> Central Valley Water Board <br /> ccondon@waterboards.ca.gov <br /> (916)464-4619 <br /> 9/26/2014 <br />