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• Page 3 of 4 <br /> collection of one duplicate soil gas sample in a 250 ml Summal canister. This duplicate sample will <br /> be analyzed using EPA Method 8260 in an off-site State-certified Environmental laboratory. The <br /> duplicate sample will be collected in an area where soil gas is suspected to be impacted with VOCs. <br /> We have added this statement to the permit letter, a copy of which is attached. <br /> We trust this will be acceptable. Please let us know should you require anything further. <br /> Sincerely, <br /> Larry Witwer <br /> Sr. Project Manager <br /> AMI ADINI &ASSOCIATES, INC. <br /> 4130 Cahuenga Blvd. Suite 113 <br /> Los Angeles, CA 91602 <br /> Tel#(818)824-8102 <br /> Fax#(8 18)824-8112 <br /> e-mail: larnmeamiadini com <br /> Web site: www.amiadini.com <br /> Larry Witwer <br /> 4XffSenior Project Manager <br /> &MAMI ini <br /> &AS"clates,Inc. <br /> Environmental Consultants & Contractors <br /> Rehabilitation of Brownfields <br /> Underground Storage Tank Experts <br /> Phone: 818-824-8102 Fax: 818-824-8112 <br /> Iarr"Ca)amiadini.com www.amiadini.com <br /> From: Vicki McCartney [EH] [mailto:vmccartney@sjcehd.com] <br /> Sent: Friday, January 21, 2011 10:00 AM <br /> To: Larry <br /> Subject: Work Plan for Soil Gas Collection <br /> Good morning, Larry. <br /> I am reviewing the permit application for installing the three soil gas probes at the Frontier Transportation <br /> site located at 425 Larch Road in Tracy, California. In the letter that accompanied the permit application, <br /> Ami Adini &Associates (AA&A) described the soil gas probe construction, locations of the three soil gas <br /> samples, and soil gas sampling and analysis procedures using a mobile laboratory. There was no mention <br /> about collecting one duplicate sample in a Summa canister to be sent to off-site laboratory for analysis. I <br /> need clarification concerning whether AA&A intends to collect one duplicate sample in a Summa canister <br /> before proceeding with the issuance of the boring permit. 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 /> 2/3/2011 <br />