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Page 1 of 1 <br /> Mike Infurna [EH] <br /> From: Peterson, Jamey [Jamey.Peterson @arcadis-us.com] <br /> Sent: Friday, April 30, 2010 11:15 AM <br /> To: Mike Infurna [EH] <br /> Subject: PG&E McDonald Island Recap - 1181 Zuckerman Road, Tracy (Holt), CA <br /> Hello Mike, <br /> Thanks for coming to the site on Wednesday. We were able to complete all the remaining soil borings <br /> yesterday (April 29). At one location, S13-15, we encountered refusal at 3.5 feet. We did not attempt to <br /> relocate SB-15 as it was a contingency/step-out boring and at the time it was already 4:30 pm. All <br /> boreholes were backfilled with neat cement in the same fashion you observed on Wednesday. <br /> Our three grab groundwater soil boring locations did not collect any groundwater after completion. We <br /> had our RWQCB regulator onsite yesterday who observed these dry conditions and mentioned we will <br /> eventually need groundwater characterization for our site. Most likely when we return for the <br /> excavation we will install a few more borings to deeper depths in order to collect groundwater samples. <br /> I will keep you updated on our plans as we will need to submit another drilling application package to <br /> you. <br /> Thanks again for your help with our site. You will be CC'd on the final report which will include a <br /> summary of the field activities, sample results and site figures. Please call or email me if you have any <br /> questions. <br /> -Jamey <br /> Jamey Peterson I Staff Geologist I jamey.peterson@arcadis-us.com <br /> ARCADIS U.S., Inc. 1 140 Second Street Address, Suite 200 1 Petaluma, CA,94952-7424 <br /> T. 707.776.0865 1 M. 707.480.3862 1 F. 707.776.0850 <br /> www.arcadis-us.com <br /> ARCADIS, Imagine the result <br /> Please consider the environment before printing this email. <br /> NOTICE: This e-mail and any files transmitted with it are the property of ARCADIS U.S., Inc. and its affiliates. All <br /> rights, including without limitation copyright, are reserved. The proprietary information contained in this e-mail <br /> message, and any files transmitted with it, is intended for the use of the recipient(s) named above. If the reader of <br /> this e-mail is not the intended recipient, you are hereby notified that you have received this e-mail in error and that <br /> any review, distribution or copying of this e-mail or any files transmitted with it is strictly prohibited. If you have <br /> received this e-mail in error, please notify the sender immediately and delete the original message and any files <br /> transmitted. The unauthorized use of this e-mail or any files transmitted with it is prohibited and disclaimed by <br /> ARCADIS U.S., Inc. and its affiliates. Nothing herein is intended to constitute the offering or performance of <br /> services where otherwise restricted by law. <br /> 4/30/2010 <br />