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KLEINfELDER <br /> 4 ACTIVITIES CONDUCTED <br /> Kleinfelder conducted the following scope of services during our Pre-Abandonment UST Soil <br /> Assessment Our services included the following thiee tasks <br /> I Permitting and Pre-Field Activities <br /> 2 Drilling of Two Soil Borings <br /> 3 Reporting <br /> 4.1. PERMITTING AND PRE-FIELD ACTIVITIES <br /> ' Kleinfelder's "Revised Proposal, Pt - <br /> p PicAbandonment Underground Storage Tank Soil Assessment, <br /> General Mills Facility, 2000 West Turner Road, Lodi, California,", dated January 19, 1999 was <br /> submitted to San Joaquin County Public Health Services Environmental Health Division <br /> (PHS/EHD) for approval Appioval was obtained on February 23, 1999, prior to initiating field <br /> work The boring location area was marked in white paint and Underground Service Alert was <br /> notified at least 48 hours prioi to drilling activities Additionally, the proposed boring locations <br /> were reviewed and relocated by Mr Wade Bioughton of General Mills For a copy of the boring <br /> permit, please refer to Appendix C <br /> 4 2. DRILLING OF TWO SOIL BORINGS <br />' On April 1, 1999, two vertical soil borings were advanced at the site in the vicinity of the UST <br /> (See Plates 2 and 3), using a truck-mounted drill rig equipped with 8-inch hollow stem augers It <br /> was originally proposed to drill angled borings, but because of auger refusal on the concrete pad <br /> underlying the UST and because of the extensive existence of pea gravel, the decision to change <br /> to vertical borings was utilized <br /> Boiings B1 and B2 were advanced on the westein side of the UST near the southern and northern <br /> ends respecti{,ely The borings were advanced to total vertical depth of approximately 25 feet <br /> Soil samples were collected at 5-foot intervals beginning at 5 feet for lithologic classification, <br />' quantitative field screening and potential chemical analyses Lithologic classification was based <br /> on the Unified Soil Classification System (USCS) Field screening of soil samples was <br /> conducted with an organic vapor analyzei (OVA) The borings were drilled, logged, and <br />' sampled following the protocol described in Appendix B <br /> Soil cuttings and water generated while drilling were stoied on site in 55-gallon drums pending <br /> chemical analysis and disposal etc by General Mills <br /> 20-1417-16 C01/2019R338 Page 6 of 12 <br /> U 1999 Klemleldtr Inc May 12, 1999 <br /> r <br />