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Backus, Garrett [EHD] <br />From: Illich, Alexis <Illich.Alexis@epa.gov> <br />Sent: Monday, July 10, 2023 9:24 AM <br />To: bmillman@advancedgeo.biz; Kyle McCormack <br />Cc: Kyle.Cockerham@waterboards.ca.gov; Subbotnikova, Natalia [EHD]; <br />dvillanueva@advancedgeo.biz; Ambrose, Sabra @Cal Recycle; Backus, Garrett [EHD] <br />Subject: RE: SJ Cogen - 17200 Murphy Parkway -Site Investigation Report comment <br />Attachments: EPA Comments to SJC Work Plan.pdf <br />Hello, <br />Thank you for the time to respond to the Site Investigation Report (SIR) Draft shared on January 7 or 9, 2023. The <br />Region 9 Environmental Protection Agency (EPA) has received and reviewed this draft prepared by Advance Geo, Inc. <br />(AGI). EPA's comments to the SIR and from site visit are captured in the attached PDF document. <br />Thank you, <br />Alexis Illich <br />From: Backus, Garrett [EHD] <gbackus@sjgov.org> <br />Sent: Tuesday, June 27, 2023 2:41 PM <br />To: bmillman@advancedgeo.biz <br />Cc: Kyle.Cockerham@waterboards.ca.gov; Subbotnikova, Natalia [EHD] <nsubbotnikova@sjgov.org>; <br />dvillanueva@advancedgeo.biz; Kyle McCormack <kmccormack@heorotpower.com>; Illich, Alexis <br /><Illich.Alexis@epa.gov>; Ambrose, Sabra@Cal Recycle <Sabra.Ambrose@ CaIRecycle. ca.gov> <br />Subject: FW: SJ Cogen - 17200 Murphy Parkway -Site Investigation Report comment <br />Hi Brian, <br />Sorry for the late response to your January email below. Here are our requirements. <br />The Environmental Health Department (EHD) has received a draft Site Investigation Report (SIR) dated January 9, 2023, <br />and prepared by Advance Geo, Inc. (AGI). Upon review of the draft SIR, the EHD has made the comments listed below: <br />To fully characterize the site the EHD will require a perimeter monitoring system to be installed as described in T27 CCR <br />20925. To obtain a well permit from the EHD the property owner/operator should submit a work plan and health and <br />safety plan to the EHD for review and approval. All site activities shall be in the presence of the EHD staff. Soil gas <br />monitoring should be conducted monthly for at least one year. The need for continued monitoring will be evaluated after <br />the completion of this monitoring schedule. <br />The EHD would like to restate that the site is defined as a pre -regulation disposal site and that T27CCR, Section 21190 <br />applies. A post closure land use plan needs to detail development and future use of the property and provide procedures <br />that will be implemented to protect public health and safety as required by Title 27 CCR. <br />Thank you, <br />Garrett Backus, Lead Senior REHS <br />San Joaquin County Environmental Health Department <br />1868 E Hazelton Ave, Stockton, CA 95205 <br />Desk: (209) 468-2986 <br />Cell: (209) 616-3030 <br />Email: gbackus .sjgov.org <br />Department: https://www.sjgov.org/department/envhealth <br />