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Page 1 of 1 <br /> Vicki McCartney [EH] <br /> From: Vicki McCartney [EH] <br /> Sent: Wednesday, June 16, 2010 2:52 PM <br /> To: Wlittle@advgeoenv.com' <br /> Subject: RE: Larry's Auto 308 North Grant Street <br /> Good afternoon, Bill. <br /> I appreciate that you have provided this information to me. I will review the report titled Soil Vapor Extraction <br /> Report-First Quarter 2010, dated June 1, 2010, and I will do my best to have a response to you within the next <br /> two weeks. <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: vmccarme a jcehd.com <br /> From: William Little [mailto:wlittle@advgeoenv.com] <br /> Sent: Wednesday, June 16, 2010 10:40 AM <br /> To: Vicki McCartney [EH]; Nuel Henderson [EH] <br /> Subject: Larry's Auto 308 North Grant Street <br /> Hello Vicky, Within the last report for remediation AGE has presented an operational expansion of the In- <br /> situ air sparging proposal for the 308 North Grant Street site, proposed to augment the soil vapor <br /> recovery with recovery of vapor from highly impacted shallow ground water. <br /> Attached is the most recent soil vapor extraction influent sample results.As the SVE operation has <br /> progressed, soil vapor concentrations have steadily declined and now SVE alone is not cost effective. <br /> Either AGE needs to augments the SVE with the proposed IAS operation, or turn off the oxidizer. <br /> Please respond to the SVE report and the proposed remediation strategy. <br /> William R. Little <br /> California Professional Geologist 7473 <br /> Oregon Registered Geologist G2254 <br /> Washington Licensed Geologist 2778 <br /> Advanced GeoEnvironmental Inc. <br /> StocktomSmta Rosa•MontereyBrea•Spokwe•Reno <br /> (800)511-9300 <br /> 6/16/2010 <br />