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Mike Infurna [EH] <br />From: Lawrence Kleinecke [LKleinecke@Versar.corn] <br />Sent: Monday, May 14, 2007 11:32 AM <br />To: Mike lnfurna [EH] <br />Cc: devra.lewis@us.army.mil <br />Subject: Stockton National Guard Drilling <br />Notes from Stockton Drilling <br />May 10, 2007. Geoprobe three background borings BAC1, BAC2 and BAC3 to five feet bgs. <br />Samples collected from each boring at 1.5 - 2.0 and 4.5 - 5.0 feet. Sample names BAC1-2, <br />BAC1-5, BAC2-2, BAC2-5, BAC3-2 and BAC3-5. Backfilled each boring with neat cement upon <br />completion. Samples submitted under chain-of-custody to Kemron Environmental Services for <br />total arsenic (6010b). <br />Geoprobe two characterization borings at former CS site (CSB1 and CSB2). Collected four <br />samples at CSB1 (CSB1-8, CSB1-10, CSB1-12 and CSB1-15) to be composited into one sample at <br />the laboratory. Collected four samples at CSB2 (CSB2-8, CSB2-10, CSB2-12 and CSB2-15) to <br />be composited into one sample at the laboratory. Samples submitted under chain-of-custody <br />to Kemron Environmental Services for VOCs (8260b), SVOCs (8270), PCBs (8082), TPH full <br />range (8015m) and CAN 17 metals. Total depth of borings 15 feet. Both borings backfilled <br />with neat cement. <br />Please let me know if you need additional information, <br />Larry Kleinecke, PMP, REA II <br />Senior Project Manager <br />Versar, Inc. <br />7844 Madison Ave., Suite 167 <br />Fair Oaks, CA 95628 <br />LKleinecke@versar.com <br />916 863-9326 (direct line) <br />916 962-2678 (fax) <br />916 802-1329 (cell) <br />1