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Remedial Investigation QAPP <br /> Stockton Army Aviation Support Facility,California <br /> 'relevant compounds' for this RI project remains eight compounds. The RI SLs and risk assessment approach <br /> will be adjusted at the time of the investigation to reflect updated relevant compounds and RSLs, if DoD guidance <br /> warrants such adjustments. <br /> 1.0.2 RI Purpose <br /> The objective of the RI is to determine the nature and extent of contamination of relevant compounds greater <br /> than SLs associated with the AOIs identified in the PA and the SI, where the presence of relevant compounds <br /> was confirmed during the SI. <br /> During the RI, detailed information will be collected to characterize site conditions, determine the nature and <br /> extent of the contamination, and evaluate risks to human health and the environment posed by the site <br /> conditions by conducting a baseline ecological and human health risk assessment. <br /> 1.0.3 QAPP Document Organization <br /> Elements of every PFAS RI under this contract are addressed in the RI Programmatic UFP-QAPP (PQAPP) <br /> (Parsons, 2023). The PQAPP is comprehensive and is consistent with the USEPA's intent that the UFP-QAPP be <br /> the primary planning document for an entire project(Intergovernmental Data Quality Task Force[IDQTF],2005a- <br /> c, 2012). This QAPP Addendum, in combination with the PQAPP elements, meets the requirements set forth in <br /> the UFP for QAPPs (IDQTF, 2005a-c) and USEPA Requirements for Quality Assurance Project Plans (USEPA, <br /> 2001). <br /> This QAPP Addendum was prepared to include the detailed information specific to the RI at Stockton AASF. For <br /> ease of review, material from the PQAPP is included in this deliverable alongside the Stockton-specific <br /> worksheets.Table 1-1 below describes the components that are covered under the PQAPP and those that are <br /> covered under this UFP-QAPP Addendum. <br /> Table 1-1 Components of the RI QAPP <br /> Facility-Specific QAPP Worksheets Applicable Document <br /> Worksheets#1&#2 -Title and Approval Page and QAPP Identifying Programmatic/Site-Specific <br /> Information <br /> Worksheets#3 &#5 - Project Organization and QAPP Distribution Programmatic/Site-Specific <br /> Worksheets#4, #7, &#8 - Personnel Qualifications and Sign-off <br /> Programmatic/Site-Specific <br /> Sheet <br /> Worksheet#6 - Communication Pathways Programmatic/Site-Specific <br /> Worksheet#9 -Technical Project Planning Session Summary Site-Specific <br /> L Worksheet#10 - Conceptual Site Model Site-Specific <br /> Worksheet#11 - Project/Data Quality Objectives Site-Specific <br /> Worksheet#12 - Measurement Performance Criteria Programmatic <br /> Worksheet#13 - Secondary Data Uses and Limitations Programmatic <br /> Worksheets#14&#16 - Project Tasks and Schedule -777 Site-Specific <br /> PARSONS 1.0 Introduction <br /> Page xiii <br />