MICHAEL BAKER INTERNATIONAL, INC. (2)

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If soils suspected to be contaminated are encountered on City projects, Roux will direct that they be excavated, stockpiled, and sampled to determine if on -site re -use is appropriate, or they need to be disposed off -Site. Stockpiles will generally be sampled through collection of four -point composite samples at a minimum frequency of four composite samples per every 250 cubic yards (CY). Based upon the Site history, suspect stockpile soil samples will be analyzed for the necessary parameters. All stockpiles of suspect soils will be placed upon and covered with plastic sheeting and clearly labeled with a unique designation. If it is necessary to import fill material (scenario 2 above) to support construction activities thee, the State of California Department of Toxic Substances Control's (DTSC's) Information Advisory for Clean Imported Fill Material will be applied to guide the required soil sampling and analysis. HUD ENVIRONMENTAL REVIEW ONLINE SYSTEM (HERDS) Michael Baker staff maintain active HUD user accounts with access to the HUD Environmental Review Online System (HEROS) and can support the City of Santa Ana as a Partner User, preparing and submitting environmental review documentation, such as Categorical Exclusions subject to the laws and authorities listed at 24 CFR 58.5 and Environmental Assessments, to the HEROS system. Implementation Schedule The following is a sample implementation schedule for an Environmental Assessment (EA)/Finding of No Significant Impact (FONSI). Kickoff Meeting Month 1 Michael Baker provides Draft Project Description to City Month 1 City provides Final Project Description to Michael Baker Month 1 Administrative Draft EA preparation'A' Months 1-2 City Review of Administrative Draft EA Month 2 Preliminary Draft EA preparation by Michael Baker Months 2 — 3 City Review of Preliminary Draft #2 Month 4 Complete, Publish, and Circulate Draft EA Month 4 15-Day Public Review Period Months 4 — 5 Michael Baker prepares Final EA4 Month 5 City Review of Final EA Month 5 Complete Final EA Month 5 Approval of Request for Release of Funds Month 5 Notes: r Submittal of the first Admin Draft EA will occur concurrently to the Native American consultation and Section 106 process with SHPO. 2 Assumes an iterative review of Traffic Memorandum with City Traffic Engineer for numbers to be approved for other technical modeling to occur. 3 Assumes technical data request from City/Applicant is provided in atimely manner (e.g., construction quantities/assumptions, project plans, etc.) 4 Assumes minimal public comments.