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FIELD PROCEDURES <br /> • All site activities will be conducted by a qualified Geologist under the direct supervision of <br /> a State of California Registered Geologist having five or more years of professional <br /> experience in hydrogeology All field operations will be governed by the requirements of <br /> • the Health and Safety Plan (Appendix A) All field personnel will be trained in accordance <br /> with 29 CFR 1910 (40-hour OSHA Health and Safety Training) Under no circumstances <br /> will untrained field operations personnel or visitors be allowed in designated operations <br /> areas <br /> SOIL EXCAVATION AND DISPOSAL <br /> • The diesel fuel-affected soil will be removed from the western corner of the T-3 excavation <br /> using a backhoe The area of soil removal will encompass the walls and floor of the <br /> excavation and will extend no further than 2 feet into the native soil, beyond the backfill <br /> • matenal Figure 4 depicts the specific area of proposed soil removal Based on previous <br /> studies, it is estimated that 30 to 40 cubic yards of soil will be removed from the excavation. <br /> The excavated soil will be stockpiled on and covered with Visqueen and remain onsite until <br /> disposal is determined based on the laboratory results <br /> The presence or absence of diesel fuel contanunataon an the excavated soil will be accessed <br /> • in the field by visual inspection for staining, noting the presence of odors and by screening <br /> for organic vapors using a MacroTap portable photo-ionization detector (PID) <br /> The excavation procedures proposed an this report are expected to result an the removal of <br /> all detected contaminated soil from the T-3 UST excavation <br />• <br /> r1Ald 10(m1-4) Page 10 <br />• AMERICAN <br />