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2.0 SCOPE OF WORK <br /> The objectives of this investigation were to further define the extent of impacted soil and to <br /> ' determine if groundwater had been impacted beneath the site To achieve these objectives, soil <br /> and groundwater-grab samples were collected for laboratory analysis from three soil borings <br /> ' 21 Project Planning <br /> ' The protect planning task included the preparation of a health and safety plan, acquisition of <br /> required permits, advance notifications and a routine underground utility survey <br /> Prior to initiating fieldwork, a site-specific health and safety plan was prepared according to 29 <br /> CFR 1990 120 The health and safety plan included safety procedures for work to be <br /> ' performed, chemical hazard information, site safety officers, and a medical emergency location <br /> ' To perform the proposed scope of work, two permits were obtained from PHSIEHD Permits <br /> were obtained for the drilling operations at the subject site and the city of Stockton sidewalk <br /> right-of-way, immediately west of the site To drill in the city sidewalk, an encroachment permit <br /> (#66090)was also obtained from the city of Stockton Department of Public Works A copy of the <br /> encroachment permit is included in Appendix A <br /> ' At least two working days prior to field work, PHSIEHD was notified so that any regulatory <br /> inspections could be scheduled Underground Service Alert (USA) was also notified to mark any <br /> ' underground utilities (USA Ticket#24645) <br /> ' 22 Soil and Groundwater-Grab Sampling and Analysis <br /> On February 2, 2001, sod and groundwater-grab samples were collected from three locations <br /> ' using a Geoprobe® Direct-Push Technology rig (Geoprobe), operated by Fisch Environmental <br /> (C-57 License#683865) To evaluate the concentration and extent of any impacted soil and/or <br /> groundwater associated with the former UST system, one soil boring was drilled at the south end <br /> of each former UST and one soil boring was located adjacent to the former dispenser island <br /> inside the garage building (Figure 2) These locations previously exhibited the highest <br /> concentrations of gasoline hydrocarbons in soil <br /> 6 <br />