ARCHIVED REPORTS_SITE INVESTIGATION AND WELL DESTRUCTION PERMIT

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TABLE 1 Page 1 of 1 WELL CONSTRUCNON DETAILS FORMER SHELL CENTRAL VALLEY CRUDE OIL PIPELINES CORDES RANCH TRACY,CALIFORNIA Soil Well/Boring Boring Date Total Sample Groundwater Depth Casing Screen Interval Date ID Boring Type Diameter Completed TOC Depth Interval First Encountered Static Diameter Slot Size Top Bottom Destroyed (inches) (fbg) (ft) (fbg) /feet below TOC) (Inches) (inches) (fbg) (fbg) MW-1 Well Boring(HSA) 11 7/12/2010 127.80 48 5 37 40.35 2 0.020 33 48 Jun-14 MW-2 Well Boring(HSA) 11 7/12/2010 123.60 45 5 37 36.21 2 0.020 30 45 Jun-14 MW-3 Well Boring(HSA) 11 7/14/2010 123.70 45 5 37 36.38 2 0.020 30 45 Jun-14 MW-4 Well Boring(HSA) 11 7/16/2010 123.41 45 5 37 36.00 2 0.020 30 45 Jun-14 MW-5A Well Boring(HSA) 11 7/13/2010 123.34 45 5 37 35.90 2 0.020 30 45 Jun-14 MW-5B Well Boring(AR-RS) 12/6 9/1/2010 123.44 115 NS NA 35.68 2 0.020 105 115 Jun-14 MW-SC Well Boring(AR-RS) 12/6 9/1/2010 123.44 175 C NA 60.14 2 0.020 160 175 Jun-14 MW-6 Well Boring(1-15A) 8 7/13/2010 123.09 45 5 37 35.64 2 0.020 30 45 Jun-14 MW-7 Well Boring(HSA) 11 7/13/2010 124.11 48 5 37 36.60 2 0.020 33 48 Jun-14 MW-8 Well Boring(HSA) 8 7/15/2010 123.30 45 5 37 35.80 2 0.020 30 45 Jun-14 MW-9 Well Boring(HSA) 11 7/14/2010 123.91 45 5 37 36.30 2 0.020 30 45 Jun-14 MW-10 Well Boring(HSA) 8 7/14/2010 124.16 45 5 37 36.64 2 0.020 30 45 Jun-14 MW-11 Well Boring(HSA) 8 7/15/2010 123.70 45 5 37 36.10 2 0.020 30 45 Jun-14 MW-12 Well Boring(RS) 6 7/20/2011 124.82 45 C 40 37.36 2 0.020 35 45 Jun-14 MW-13B Well Boring(RS) 6 7/29/2011 122.93 125 C 41 38.92 2 0.020 110 125 Jun-14 MW-13C Well Boring(RS) 6 7/20/2010 123.71 178 C 40 58.14 2 0.020 163 173 Jun-14 MW-14B Well Boring(RS) 6 7/12/2011 120.66 125 C 42 36.82 2 0.020 110 125 Jun-14 MW-14C Well Boring(RS) 6 6/30/2011 120.64 182 C 38 56.52 2 0.020 167 177 Jun-14 MW-15 Well Boring(RS) 6 7/29/2011 127.06 50 5 41 40.18 2 0.020 30 50 Jun-14 MW-16 Well Boring(HSA) 8 6/12/2014 126.45 50 5 35 38.51 2 0.020 30 50 - VW-1 Well Boring 23f8 6/15/2011 121.48 10.5 5 NA NA Y NA 4.7-9.7 5.3-10.3 Jun-14 VW-2 Well Boring 231e 6/15/2011 121.57 10.5 5 NA NA ye NA 4.7-9.7 5.3-10.3 Jun-14 VW-3 Well Boring 23/8 6/15/2011 121.69 10.5 5 NA NA Y. NA 4.7-9.7 5.3-10.3 Jun-14 Abbreviations&Notes: TOC=Top of Casing elevation(feet above mean sea level) fbg=Feet below grade it=Feet HSA=Hollow stem auger AR-RS=Air rotary and roto-sonic vibration NS=Not sampled NA-Not available C=Continuous sample 2R 060W(35)