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Remedial Investigation QAPP Stockton Army Aviation Support Facility,California The Field Team Lead will have completed the 8-hour OSHA Supervisor training,as specified in EM-385.The Field Team Lead will lead field operations, coordinate field activities, and act as the liaison between Facility and laboratory personnel,among other responsibilities. In general, field personnel will wear PFAS-free Level D personal protective equipment (PPE). Additional information regarding appropriate PPE and personal products (e.g., bug spray) are provided in Parsons SOP PFAS-01: PFAS Sampling Guidance (Appendix D). If elevated levels of PPE are warranted based on Facility conditions,it will be established in the site-specific SSHP.Detailed activity hazard analysis(AHA)forms identifying the physical, chemical, and biological hazards that may be encountered at the Facility and the associated mitigation methods are presented in the APP/SSHP. Personnel and visitors who enter the Facility will be required to review the APP/SSHP and sign the acknowledgement form. Site workers will be required to sign the daily tailgate safety meeting form and fill out daily AHA forms.Safety issues that arise during implementation of field activities will be addressed duringtailgate safety meetings held daily before the workday and will be documented in the daily tailgate safety meeting form. 14.1.3 Additional Personnel Qualifications In addition to the health and safety requirements specified above, personnel mobilized to the Facility will complete the DoD's Operations Security Awareness for Military Members, DoD Employees, and Contractors and Level 1 Antiterrorism Awareness Training. Drilling and land surveying subcontractors will be licensed in the state of California. In compliance with San Joaquin County Well Ordinance(San Joaquin County, 2005),all monitoring wells and borings with a total depth greater than 10 ft will be performed under the direct supervision of a California Registered Professional Engineer, California Registered Geologist, or California Certified Engineering Geologist. 14.1.4 Utility Clearance, Permits, and Notifications Utility clearance is required for intrusive work, regardless of planned intrusive depth. Prior to intrusive activities, a site walk will be scheduled with the appropriate ARNG personnel and personnel from other entities identified by ARNG, as applicable, to mark out locations of the subsurface utilities. The location of utilities will be noted and recorded during the site visits and referenced when selecting investigation locations. Parsons or its drilling subcontractor will contact California One Call (811),the local one-call utility location system at least 48 hours in advance of the field activities. Precautionary measures (e.g., geophysical survey, air knifing methods, hand- digging to 5 feet, etc.) are required for all boring/well locations prior to intrusive activities. Utility clearance will be conducted in accordance with Parsons SOP PFAS ENV-08:Utility Clearance(Appendix D). San Joaquin County requires that all monitoring wells and geophysical test holes comply with San Joaquin County Ordinance Code Section 9-1115.6, Well Standards (San Joaquin County, 2005). A permit application(s) will be completed by a licensed well contractor with the San Joaquin County Environmental Health Department for all monitoring well installations,soil borings, and monitoring well closures. Due to the proximity of the Stockton Municipal Airport,a Federal Aviation Administration(FAA)Notice of Proposed Construction or Alternation (Form 7460-1) may be required 45-days in advance of drilling activities. However, in order to allow ample time for the FAA-approval process, this will be submitted as soon as the sampling plan is finalized, well in advance of the 45-day FAA requirement. Any required coordination with FAA will be conducted by ARNG (with support from the Parsons Team, as needed), with consideration given to coordinating fieldwork with any scheduled runway shutdowns that may be planned.As required in Form 7460-1,the relationship of the planned fieldwork activities will be marked with a precise indication of the locations on a 7.5-minute US PARSONS Worksheet#14&16: Project Tasks and Schedule Page 62