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II INC <br /> hazardous substance removal specialty certification and all employees have been trained <br /> in accordance with Code of Federal Regulations (CFR) 1910 120 for hazardous waste <br /> workers <br /> Prior to commencement of work, WZl constructed a map of the tank location and <br /> associated cultural objects as depicted on Exhibit 5 All of the structures except for the <br /> residence were demolished and removed from the site prior to initiation of excavation <br /> operations <br /> All applicable federal and state OSHA health and safety procedures for employees <br /> conducting hazardous waste investigations were followed The health and safety <br /> environment that OSHA describes as Level D was never exceeded at the site <br /> During the exploratory excavation, all work was conducted under the oversight of a <br /> California Certified Engineering Geologist Soil sample locations, site mapping, and <br /> direction of excavation activities were controlled by the onsite engineering geologist <br /> Procedures used to collect and describe soil samples are depicted in Appendix II of this <br /> report <br /> A John Deere 790 excavator and a front end loader were used to excavate the <br /> hydrocarbon impacted soil from beneath the former Tank #1 location An exploratory <br /> trench was also excavated in the vicinity of the former Tank #2 location as shown on <br /> Exhibit 5 Excavation operations were initiated on September 3 and completed on <br /> September 9, 1996 A total of approximately 7,100 cubic yards of clean and hydrocarbon <br /> impacted soil was removed from the excavation Of this volume approximately 3,000 cubic <br /> yards of soil was classified as hydrocarbon impacted and 4,100 cubic yards was classified <br /> as clean overburden based on field screening techniques <br /> 08220010 011 29 <br />