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i <br /> i <br /> Geosyntec O <br /> consultants <br /> 7. WORK PLAN <br /> Completing the LTCP evaluation process will be addressed by an investigation <br /> consisting of groundwater, soil, and soil gas sampling as described below. <br /> 7.1 Pre-Investigation Activities <br /> Prior to the start of field activities, Geosyntec will perform the following: <br /> • Update the Site health and safety plan, as needed, in accordance with local, <br /> state, and federal requirements; <br /> • Obtain drilling permits from San Joaquin County, as required for CPTs, grab <br /> groundwater, soil, and soil gas sampling; <br /> • Confirm access and schedule with the property owner; and <br /> • Notify Underground Service Alert (USA) a minimum of two business days <br /> before any subsurface work and conduct a utility clearance using a private utility <br /> locator to identify subsurface utilities and other potential obstructions. Proposed <br /> investigation locations will be adjusted based upon the USA and private utility <br /> clearance. <br /> 7.2 Task 1: Perform CPT/Grab-Groundwater Investigation to Delineate the <br /> Off-site(i.e., lateral) and,Vertical Extent of Toluene in Groundwater <br /> Task 1 consists of CPT and depth discrete groundwater sampling at the locations shown <br /> on Figure 7. The activities associated with this task are similar to those described in <br /> Section 2.2 of the Investigation Work Plan (Geosyntec, '201.2c), .excluding use of the <br /> Membrane Interface Probe (MIP), and are presented below. 1 <br /> 1 s <br /> CPT-13 Area Investigation Report and Work Plan 21 30 May 2013 <br /> 1 <br />