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Page 2 of 3 <br /> TPH1 S-10)] used in:the"calculation instead of the soil analytical results for TPH as diesel of 7,600 mglkg and <br /> 3,400 mg/kg reported for soil samples TD-2 and TD-3, respectively? <br /> Also, why was the MTBE concentration of 1.8 mg/kg used in the calculation instead of 74 mg/kg and 80 mg/kg <br /> 'taken from soil samples 1 E and 3E, respectively? <br /> Ii Vicki McCartney, Senior REHS <br /> San Joaquin County <br /> En'Kironmental Health Department <br /> 600 East Main Street <br /> Stockton,California 95202 <br /> Phone: (209)468-9852 <br /> Fax: (209)468-3433 <br /> Email: vmccartne:y,rlsjcehd.�!_om <br /> fFrom: Kathleen Waldo [mailto:kwaldo@closuresolutions.com] <br /> Sent: Tuesday, September 06, 2011,12:59 PM ' <br /> To: Vicki McCartney [EH] <br /> Cc: 'Jim Barton; Nuel Henderson_[EH]; 'Carmel, Charles '; 'Morescalchi,.Sergio'; 'Skance, John'; 'Ronald <br /> Chinn'; 'David Foley' <br /> Subject: RE: 3202 West Hammer Lane <br /> Hi Vicki, <br /> Closure Solutions has prepared the attached document to provide you and the Regional Board the <br /> requested information. Please:let me know if there is anything else we can help you with. <br /> Thanks, <br /> F Kate <br /> i <br /> Kathleen Waldo <br /> Senior Project Engincer. <br /> Closure Solutions, Inc. <br /> E 4600 Northuate BouleVard, Suite 230 . <br /> Sacramento. California 95834 <br /> Direct: (916) 760-7025 . <br /> Cell: (910.213-2058 <br /> Fax: (925)459-5602 <br /> From: Vicki McCartney [EH] [mailto:vmccartney@sjcehd.com] <br /> Sent: Thursday, August 11, 2011 12:25 PM <br /> To: Kathleen Waldo <br /> Cc: Jim Barton; Nuel Henderson [EH] <br /> Subject: 3202 West Hammer Lane <br /> Ms. Waldo: <br /> Today Nuel Henderson, PG, and I discussed site closure for the Former.BP Service Station No. 11193 site <br /> located at 3202 West Hammer Lane, Stockton.; California with Jim Barton, PG, of the California Regional <br /> Water Quality Control Board Central Valley Region (CRWQCBCVR): Jim requested that an estimate of the <br /> time it will take before the groundwater contaminant concentrations at this site will return to water quality <br /> goals, and residual contaminant mass estimates for diesel and MTBE be provided in an email to him and to <br /> me. Jim indicated that he includes this information when submitting his report to Executive Officers since <br /> i <br /> 9/7/2011 <br />