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Agency Department of Toxic Substances Control State f Californiaa California Cr1VlrOnrT)B111e1 Piutcui ui� �v ♦.r sampling in the vicinity of the former MGP supply wells indicates that that these wells did not act as conduits for migration of contaminants to groundwater. Date of Aaencv Determination:The proponent(Pacific Gas and Electric Co.)entered into a Voluntary Cleanup Agreement with DTSC on October 25, 2007. Chemicals of Concern(COC): polycyclic aromatic hydrocarbons, total petroleum hydrocarbons, metals (lead). Areas of Concern: There are three areas of concern. These are the former 0.73 acre MGP site,the Lodi Iron Works property, and south Sacramento Street(to centerline of street along the length of the former MGP site. Death of Contamination: Up to 14 feet below ground surface An analysis of project activities upon existing environmental conditions indicates that implementation of environmental safeguards and monitoring procedures are enforceable and made a condition of project approval and will ensure that impacts to the environment will be less than significant. As a result, DTSC finds that the project Is exempt from further environmental review under CEQA. This project involves air emissions,which DTSC has determined are below the San Joaquin Unified Air Pollution Control District threshold levels. An analysis of project activities upon existing environmental conditions indicates that implementation of environmental safeguards and monitoring procedures are enforceable and made a condition of project approval and will ensure that impacts to the environment will be less than significant. As a result, DTSC finds that the project is exempt from further environmental review under CEQA. Attachment B shows the estimated emissions produced during the project duration. The project is under the jurisdiction of the San Joaquin Unified Air Pollution Control District,which utilizes the URBEMIS 2007 emissions model, similar to the South Coast Air Quality Management District model used to calculate greenhouse gas emissions on the next page. Due to the use to Tier 3 and Tier 4 equipment,the project is expected to have a less than cumulatively significant impact on air quality. This project will have a 30%reduction in greenhouse gas emissions as compared to an identical project and equipment using the URBEMIS 2007 model comparing 2008 to 2012 equipment and emissions standards. Table 2 shows estimated emissions associated with the project. Name of Public Agency Approving Project: California Environmental Protection Agency, Department of Toxic Substances Control Name of Person or Agency Carryina Out Proiect: Pacific Gas and Electric Company(Mr. Rudy Milan), Contractor: Neil Doran, Senior Geologist, Stantec. Exemption Status: ❑ Class 30 Categorical Exemption: Cal. Code Regs.,tit. 14, §15330 ® General Rule:Cal. Code Regs.,tit. 14, §15061(b)(3) Reasons Why Prolect is Exempt: DTSC has determined with certainty that there is no possibility that the activity in question may have a significant effect on the environment for the following reasons: 1. It-can be seen with certainty that the project will not have a significant detrimental effect on the environment, 5 DTSC 1332 VCP NOE June 21,2012 Office of Planning&Environmental Analysis