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1 <br />Field, Cheryl [EHD] <br />From:Palmer, Ann@Waterboards <Ann.Palmer@waterboards.ca.gov> <br />Sent:Thursday, March 19, 2020 4:11 PM <br />To:Brian W. Millman; Barbara Guiltinan <br />Cc:Djuth, Gerald@Waterboards; Martin Wenzel; Robert Marty <br />Subject:Re: 10 March 2020 Letter for 17200 Murphy Parkway, Lathrop, California (Revised <br />Additional Site Assessment Work Plan) <br />Good Afternoon Barbara, <br />Central Valley Water Board staff comments for the 17 December 2019 Revised Additional Site Assessment Work Plan <br />were provided in the Central Valley Water Board's 10 March 2020 Site Assessment Report Concurrence and Revised <br />Additional Work Plan Conditional Concurrence letter. Staff have the reviewed the AdvancedGeo, Inc (AGI) email <br />response to comments submittal provided in the 13 March 2020 email below and concur that Item 1 addresses staff <br />comments regarding sampling for polychlorinated biphenyls (PCBs). After discussing Item 2 with AGI, staff concur with <br />the revised proposal to sample for lead and dioxin/furans in waste when waste is found as well as collect a groundwater <br />sample from beneath the waste at these locations to verify whether groundwater is impacted. Please proceed to <br />implementation and provide email notification a minimum of 72-hours prior to the commencement of field work. <br />Thank You, <br />Ann M. Palmer <br />Water Resource Control Engineer <br />Site Cleanup Section <br />(916) 464-4825 <br />Ann.Palmer@waterboards.ca.gov <br />Central Valley Water Board <br />11020 Sun Center Drive, Suite 200 <br />Rancho Cordova, CA. 95670 <br />From: Brian W. Millman <bmillman@advancedgeo.biz> <br />Sent: Friday, March 13, 2020 11:02 AM <br />To: Palmer, Ann@Waterboards <Ann.Palmer@waterboards.ca.gov>; Barbara Guiltinan <guiltinan@beowulfenergy.com> <br />Cc: Djuth, Gerald@Waterboards <Gerald.Djuth@waterboards.ca.gov>; Martin Wenzel <wenzel@beowulfenergy.com>; <br />Robert Marty <rmarty@advancedgeo.biz> <br />Subject: RE: 10 March 2020 Letter for 17200 Murphy Parkway, Lathrop, California (Revised Additional Site Assessment <br />Work Plan) <br />EXTERNAL: <br />Hi Ann and Gerald,