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Page 1 of 4 <br /> Vicki McCartney [EH] <br /> From: Vicki McCartney [EH] <br /> Sent: Thursday, September 08, 2011 9:54 AM <br /> To: David Foley' <br /> Cc:, 'Jim Barton'; 'Kathleen Waldo'; Nuel Henderson [EH] <br /> Subject: RE: 3202 West,Hammer Lane <br /> Hi David, r <br /> Please use the MTBE concentrations collected at 15 feet below surface grade during the UST removal when <br /> calculating the residual soil mass for MTBE and include your interpretation of the-results when you send <br /> the report to Jim Barton and me. Thank you: <br /> Vicki McCartney, Senior REHS <br /> San Joaquin County <br /> Environmental Health Department <br /> 600 East Main Street <br /> Stockton,California 95202 <br /> Phone: (209)468-9852 <br /> Fax: (209)468-3433 <br /> it <br /> Email: vn iccart tev a s� el c,c Um <br /> From: David Foley [mailto:dfoley@closuresolutions.com] <br /> f Sent: Wednesday, September 07, 2011-3:5 3 PM <br /> To: Vicki McCartney [EH] <br /> Cc: 'Jim Barton'; 'Kathleen Waldo; dfoley@closuresolutiohs.com. <br /> Subject: RE: 3202 West Hammer Lane <br /> Hi Vicki, <br /> Kathleen stepped out of the office and I'have a question for you since I would like to get the calculations <br /> back to you as soon'as possible. You indicate the samples containing MTBE were collected at 15 feet bgs. <br /> t Groundwater in the vicinity of the USTs is currently at approximately 11 to 12 feet-bgs indicating the <br /> MTBE impacted "soil" is submerged by up to 4 feet. We generally would only calculate the vadose zone <br /> l impacts. Are-you asking for us to include these concentrations in our residual soil mass calculation? <br /> E _ - <br /> We will make the change with the new (correct) data for samples TD-2 and TD-3, <br /> E <br /> Thanks for your help'with this process <br /> h David Foley; P.G. <br /> Senior Geologist <br /> Closure Solutions, Inc. <br /> 4600 Northgate Boulevard, Suite 230 <br /> Sacramento, California 95834 <br /> Direct: (916) 760-7236 <br /> 4 Cell: (916) 799-1003 <br /> 9/8/2011 <br />