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Lori Duncan [EH] <br /> From: John P. Lane Ulane@leeandpierce.com] <br /> Sent: Wednesday, November 16, 2011 11:29 AM <br /> To: Lori Duncan [EH] <br /> Cc: Henry, Wayne; Knutson, Kathy <br /> Subject: Excavation and Air Sampling Summary Report, Fremont Gate LLC, 2911 E. Fremont, <br /> Stockton <br /> Attachments: 10759_ExcSumRpt_2911 E. Fremont.pdf <br /> u <br /> 10759_ <br /> umRpt_2911 E. Frei <br /> Lori, <br /> Attached is the pdf version of the summary report for the site at 2911 E. Fremont Street, <br /> Stockton, CA. Hard copy will follow via U.S. Mail. <br /> As you know some residual soil contamination left in place due to site constraints. <br /> However, based on groundwater samples collected previously, no impact to groundwater above <br /> MCLs. Air samples both inside and outside contained gasoline constituents, notably <br /> benzene in all samples above the one in a million cancer risk. The cumulative cancer risk <br /> in outdoor air averaged 1.4E-6 and indoor air averaged 4.3E-6, all at the lower end of the <br /> range of acceptable values established by the EPA of 10E-4 to 10E-6 for <br /> commercial/industrial sites, depending upon site specific use. <br /> I'm recommending site closure as low risk, although we would meet with site workers to <br /> present the results and answer questions. <br /> I look forward to your response. Feel free to call me if you have any questions during <br /> your review. <br /> Thank you, <br /> John P. Lane, PG <br /> Lee & Pierce, Inc. <br /> 334 S. Yosemite Avenue, Suite Al <br /> Oakdale, CA 95361 <br /> 209-848-8270 Office Phone <br /> 209-848-8274 Office Fax <br /> 831-758-0096 Salinas Office <br /> This communication is covered by the Electronic Communication Privacy Act. It may contain <br /> confidential or privileged information. If it has been sent to you in error, please reply <br /> to the sender to advise of the error and immediately delete the message. <br /> 1 <br />