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Page 1 of 1 <br /> Vicki McCartney [EH] <br /> From: Vicki McCartney [EH] <br /> Sent: Friday, August 19, 2011 9:45 AM <br /> To: 'Jim Barton' <br /> Cc: Nuel Henderson [EH] <br /> Subject: Crawl Space Air Sample Results <br /> Good morning Jim, <br /> Nuel Henderson and I would like to talk to you this morning about the Weldon Church Property site located at 104 <br /> West Beverly Place in Tracy, California. A crawl space air sample was collected and high concentrations of TPH- <br /> g (680 ug/m3) and benzene (0.53 ug/m3)were detected in the sample. The ESLs for TPH-g and benzene are 10 <br /> ug/m3 and 0.084 ug/m3, respectively. AGE is recommending that additional air samples be collected in the crawl <br /> space to confirm these results. AGE is proposing to collect duplicate samples and include an air sample field <br /> blank. If the concentrations from this second sampling event are also high for TPH-g and benzene, then AGE is <br /> proposing to collect one air sample inside the residence at this site. <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 /> Email: vmccartncyra sjcchcl.com <br /> 8/19/2011 <br />