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� / I <br /> Wong,Jeff <br /> From: Piestrzeniewicz, Adam <APiestrzeniewicz@haleyaldrich.com> <br /> Sent: Monday,June 1, 2020 12:34 PM <br /> To: Wong,Jeff <br /> Cc: Grant,Jason; Sawyer, Hannah <br /> Subject: RE:30707 Corral Hollow <br /> Attachments: 131960_006_0002_SITE_PLAN_2020_0528.pdf;Tracy-Parcel 3 <br /> _Grouting_Photos_reduced.pdf <br /> CAUTION:This email is originated from outside of the organization.Do not click links or open attachments unless you recognize the <br /> sender and know the content is safe. <br /> Hi Jeff, <br /> We completed the following locations on Thursday, also shown in the attached figure: <br /> - 4x soil vapor probes to 5.5 feet below ground surface <br /> o SV-01 <br /> o SV-02 <br /> o SV-03 <br /> o SV-04 <br /> - 4x soil borings to 8 feet below ground surface <br /> o DP-01 <br /> o DP-02 <br /> o DP-03 <br /> o D P-04 <br /> The backfilling process included over drilling all soil vapor probe locations to remove all tubing and backfilling all over <br /> drilled soil vapor locations and all soil boring locations using neat cement grout. No groundwater was encountered in <br /> any of the boreholes. I've attached photos showing the over drilling of soil vapor probe locations and grouting of each of <br /> the boreholes. <br /> Please let me know if you require any additional information. <br /> Thanks, <br /> Adam Piestrzeniewicz, PG <br /> Senior Geologist <br /> CA PG#9669 <br /> Haley&Aldrich, Inc. <br /> 2033 N Main St#309 <br /> Walnut Creek, CA 94596 <br /> T: +1(714) 371-1805 <br /> C: +1 (714)552-5434 <br /> www.halevaldrich.com <br /> i <br />