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ARCADIS Section 6.0 presents the proposed PEA report preparation. Section 7.0 presents the proposed work schedule. Section 8.0 presents the references used in preparation of this PEA Work Plan. Appendix A presents the QAPP and describes QA/QC measures to be used during project execution to provide an appropriate level of assurance that the data collected during the PEA meet project data quality objectives to support risk-based decisions regarding site acceptability for public use. The QAPP also contains analytical methods, screening levels, and reporting limits. Appendix B presents the site-specific HASP. Appendix C presents the project organization chart. Appendix D presents photographs of the Site taken during the site reconnaissance on April 14, 2010. Appendix E presents a table with DTSC comments and ARCADIS responses to comments. 2.0 SITE BACKGROUND Records reviews, site background research, and a site reconnaissance were conducted by ARCADIS to collect pertinent site information. Numerous information sources were reviewed, including owner/operator records, maps, and photographs. A site reconnaissance was conducted by Mr. Gibbs and Ms. Haines on April 14, 2010 to document indications of possible releases and to photograph the general site conditions (Appendix D). 2.1 Site Description and Location The Site is an approximately 4-acre parcel addressed as 1085 South Union Road in Manteca, San Joaquin County, California. The Site is located in a predominantly residential area. The Site is bounded by residential properties to the south, west and north. Brock Elementary School adjoins the Site to the southwest. Sequoia Christian Academy of Manteca and the Manteca Fire Prevention/Fire Department are located across South Union Road to the east of the Site. Site boundaries shown on Figure 2 are approximate. During ARCADIS' site visit conducted on April 14, 2010, the eastern and western portions of the Site were generally undeveloped and covered with trees and tall grasses. An abandoned residence, barn, workshop, silo, several wooden sheds, the concrete foundation of a former structure, and two abandoned vehicles were observed on the central portion of the Site. In addition, several storage containers that formerly contained chemicals were observed situated in the central portion of the Site. The Site is surrounded by wooden and chain-link fencing. Page 6 wp-PEA-Gordon-Jull0-RV009808.doc: