SITE INFORMATION AND CORRESPONDENCE FILE 3

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i M Chevron #9-4054 May 2014 2103 Country Club Boulevard, Stockton Claim No: 12729 Monitoring Well Information Welt Designation Date Installed Screen Interval Depth to Water (feet bgs) (feet bgs) 119/25/13 MW-1 November 1986 5-30 Destroyed MWAA October 2006 26 . 5-31 . 5 11 . 00 MW-1 B October 2006 41 . 5-51 . 5 11 . 38 MWAC September 2006 71 . 5-81 . 5 11 .68 MW-2 November 1986 5-30 10.42 MW-213 October 2006 41 .5-51 . 5 11 . 60 MW-2C October 2006 71 .5-81 . 5 12 . 10 MW-3 November 1986 5-30 11 .20 MW-4 September 1992 15-35 11 . 17 MW46 October 2006 41 . 5-51 .5 11 . 82 MW-4C Se tember 2006 70.5-80. 5 12.40 MW-4D December 2006 95-100 11 . 75 MW-5 September 1992 15-30 10. 83 MW-6 September 1992 15-30 10. 58 MW-7 September 1992 15-30 10. 53 MW-8 March 1995 15-30 10 . 90 MW-9 March 1995 15-30 11 .09 MW-9B October 2006 41 -51 11 . 13 MW-9C September 2006 71 .5-81 . 5 11 . 65 MW-9D December 2008 95-100 11 . 58 MW-10 February 1996 12 . 5-30 11 . 08 MW-11 February 1996 12. 5-30 11 .21 MW-12 February 1996 12. 5-30 11 . 05 MW-12B January 2009 40-50 11 .53 MW-12C January 2009 65-75 12.05 MW-12D December 2008 96-101 11 . 98 MW-13B July 2010 40-50 11 .42 MW-146 July 2010 39-49 11 . 55 Remediation Summary • Free Product: Free product historically noted in MW-3 (up to 0. 36 feet); none since September 1988. • Soil Excavation : An unknown volume of contaminated soil was excavated to a depth of approximately 10 feet bgs in October 1988 . • In-Situ Soil/Groundwater Remediation : Dual phase extraction was conducted between 2000 and 2002, which removed 2, 180 pounds of TPHg . I Page 7of15