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Michael Kith [EH] <br />From: Mangine, Joe <JMangine@partneresi.com > <br />Sent: Thursday, August 31, 2017 1:40 PM <br />To: Michael Kith [EH] <br />Cc: Maroon, Nathan <br />Subject: 54 North Cluff Ave, Lodi, CA <br />Attachments: Lodi Boring Logs.pdf <br />Hi Michael, <br />As requested, the borehole backfilling specifications for the subject property are as follows: <br />On July 7, 2017, a total of six borings (2.5" diameter) were advanced to a total depth of 15' below ground <br />surface (bgs) using a direct-push drill rig (GeoProbe). Groundwater was not encountered. <br />Following soil sampling activities, each borehole was backfilled with cement grout. <br />Our driller ([CA, Inc.) used 15 gallons of water mixed with 235 pounds of portland cement to complete the <br />grouting activities. <br />Boreholes advanced in improved areas were capped with concrete and dye to match existing ground cover. <br />Boring logs are attached for your reference. <br />Please don't hesitate to contact me if any further information is needed. Thanks again Michael! <br />Joe Mangine, PG <br />Project Manager — Subsurface Investigation <br />PARTNER ENGINEERING AND SCIENCE, INC. <br />1017 22 nd Avenue, Suite 107, Oakland, CA 94606 <br />P: 510-431-6263 I F: 510-439-2659 I C: 831-359-5041 <br />1