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Borehole Log and Monitoring Well Construction Summary <br /> Austin Road Landfill, Manteca, California Page 1 <br /> 1.0 INTRODUCTION <br /> 1.1 Purpose <br /> On behalf of Forward, Inc., Herst & Associates, Inc. has prepared this Borehole Log and <br /> Monitoring Well Construction Summary (Summary) to describe the processes utilized during <br /> the drilling and installation of four(4) monitoring wells near the Austin Road Landfill, Manteca, <br /> California (Figure 1). This Summary has been prepared to include some but not all of the <br /> information identified in the California Regional Water Quality Control Board (RWQCB) — <br /> Central Valley Region's guidance document entitled Items To Be Included In A Monitoring <br /> Well Installation Workplan And A Monitoring Well Installation Report Of Results. The <br /> remaining information required by this document will be included in future comprehensive <br /> reports. The drilling and monitoring well installation activities were designed to provide <br /> additional groundwater quality and extent data for groundwater present at a depth of <br /> approximately 140 feet below ground surface (bgs) north of the Austin Road Landfill. Drilling <br /> and installation activities were initially described in a 2008 Work Plan. The Work Plan was <br /> approved by RWQCB in a November 3, 2008 email. Project activities were conducted under <br /> the supervision of Mr. Ward Herst, California Professional Geologist # 7150 and California <br /> Profession Hydrogeologist#775. <br /> 1.2 Project Timeline <br /> The following table describes completed activities associated with the Austin Road / NCYCC <br /> drilling project. <br /> AdIlk <br /> Table 1 <br /> Completed Drilling Related Activities <br /> Activity Status Comments <br /> Monitoring Well Installation Permit Completed Permits Approved on October 22, <br /> Application 2008 by San Joaquin County Officials <br /> Initial Survey and Staking of Monitoring Completed Locations Surveyed on October 14, <br /> Well Locations 2008 <br /> Underground Utility Location Completed Drilling Locations Clear of <br /> Underground Utilities <br /> Monitoring Well Installation Completed Drilling Activities Completed on <br /> December 4, 2008 <br /> Monitoring Well Development Completed Monitoring Wells Developed <br /> December 4-7, 2008 <br /> Monitoring Wells Sampled December <br /> Sample Monitoring Wells Completed 9-10,2008. Groundwater Sampling <br /> Results to be Included in a <br /> Supplemental Report. <br /> Final Survey of Monitoring Wells Completed Monitoring Wells Surveyed December <br /> 15, 2008 <br /> Borehole Log and Monitoring Well Borehole Log and Monitoring Well <br /> Construction Summary Completed Construction Summary Submitted on <br /> January 14, 2009 <br />