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Mike Infurna [EH] <br /> From: Lawrence Kleinecke [LKleinecke@Versar.com] <br /> Sent: Monday, May 14, 2007 11:32 AM <br /> To: Mike Infurna [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 CAM 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 <br />