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6 <br /> F <br /> Ah Ausenco Vector d <br /> /��� 143E Spring Hitt Drive <br /> AuSenGrass Vattey,CA 95945 <br /> USA <br /> k <br /> T +1530 272 2448 <br /> F +1 530 272 8533 <br /> W www.ausenco.com <br /> i <br /> Joyesh Chandra s' <br /> San Joaquin County <br /> Public Works Department <br /> Solid Waste Division <br /> 1810 E. Hazelton Ave <br /> Stockton, CA 95201 <br /> August 2,2010 <br /> i <br /> Re: Groundwater monitoring well and landfill gas monitoring probe installation at North County and <br /> Harney Lane Landfills, San Joaquin County, California. <br /> Dear Joyesh, <br /> E, <br /> 4 <br /> Enclosed are the boring logs and as-built well construction details for the groundwater monitoring wells <br /> MW-5 and MW-6 at the Harney Lane Landfill, landfill gas monitoring probes SG-16A and SG-16B and <br /> groundwater monitoring well G-la at the North County Landfill. These were installed between May 24 <br /> and June 11, 2010 by Gregg Drilling of Martinez,California. Ausenca Vector personnel logged the soil <br /> encountered during drilling and recorded the as-built well construction details per our proposal dated <br /> November 18, 2009. The wells were installed in general accordance with the "Work Plan- i <br /> Groundwater Monitoring Well Installation Project"prepared by San Joaquin County Public Works dated <br /> November 23, 2009. ` <br /> Please call Mr. Peter Holland at (530) 272-2448 if you have any questions or need additional <br /> information. <br /> Yours sincerely <br /> ® C I <br /> 2400 <br /> r. . <br /> Peter J Holland, CEG 2400 <br /> 3� I I <br /> Senior Geologist <br /> l <br /> s <br /> F <br />