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1.3 PUBLIC PARTICIPATION Effective October 14, 2001, Assembly Bill (AB) 972 amended the California Education Code (CEC) Sections 17210.1 and 17213.1. Following changes in the code identified in AB 2644, AB 972 further refines the environmental review process for the proposed acquisition and construction of school properties where state funding is utilized. In conjunction with AB 387 and Senate Bill 162, AB 2644 made significant changes in the public review and approval process for PEAS. Significant changes to these public participation requirements stated in AB 972 for school districts during PEAs include the following: (1) providing a notice to residents in the immediate area, utilizing a format developed by DTSC, prior to initiating the field work; (2) scheduling a public review and comment period under two options, one separate from the process under the California Environmental Quality Act (CEQA) for public hearings and one in combination with the CEQA process public hearing. As per the project scope of work,the public participation activities will be performed by LUSD. In compliance with AB 972, the LUSD will send a PEA notification letter, in a form approved by DTSC, to the immediate residents prior to any field sampling activities. A PEA report will be prepared to document all sampling activities and present chemical data. These PEA findings will be made available to the public through establishment of document repositories at convenient locations, distribution of fact sheets,and public meetings including workshops. Upon DTSC's approval of the PEA report for public review and comment, and if the LUSD has chosen to proceed with the school construction project, the LUSD will hold a public comment period and a public hearing either separately or in conjunction with the CEQA process. Following the end of the public comment period, the LUSD will forward all comments on the PEA report to DTSC, which will provide them to URS. If necessary, URS will revise the PEA Report to address the public comments. URS will then submit the final PEA Report to DTSC, which will make a final PEA determination accordingly. 1.4 DATA COLLECTION AND EVALUATION A sampling and analysis program will be conducted to evaluate the potential presence of chemical constituents in soil gas, surface soils, and subsurface soils. The following sampling plan is based on the scope of work provided by the DTSC. USEPA-approved methods will be used for sampling and analysis, wherever possible. The Site sampling and analytical program is fully described in Section 4.0. The following presents an overview of the sampling program rationale. Figure 3 shows the proposed sampling locations. Figure 4 presents the preliminary conceptual site model. As set forth in the DTSC work order, the potential presence of volatile organic compounds (VOCs) will be evaluated based on a soil gas survey that will be conducted in accordance with the current DTSC Advisory - Active Soil Gas Investigations [DTSC, 20031 that incorporates the Regional Water Quality Control Board, Los Angeles Region (LARWQCB) Interim Guidance for Active Soil Gas Investigation (ASGI)protocols [LARWQCB, 1997]. Soil gas samples will be collected from 21 locations at 5 feet below the ground surface (bgs), and from 6 of the same locations at 15 feet bgs. As specified in the scope of work provided by DTSC, six, six, and three of the soil gas sample locations will be in the southern, northern, and western parcels, respectively, and six additional locations will be in specific areas of concern. Based on the results of the soil gas samples at 15 feet bgs, and in consultation with the DTSC, additional soil gas samples may be collected at 25 feet and/or at 35 feet bgs. Soil gas samples will be analyzed for target VOCs, including benzene, toluene, ethylbenzene, and xylenes (collectively, BTEX), specified in Section 3.1 of the LARWQCB guidance using modified EPA method 8260B. The soil gas samples will also be analyzed for methyl Page 3 PAPEA Lockeford\Work PlanTockeford WP.doc