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Hi Jonah, <br /> Thankyou foryour response. <br /> 1. Excellent catch- I meant the WET test results. The TCLP/STLC both have limits set at 5 mg/L. <br /> 2. 1 will need to take a look at that and get back to you. I did see that we had some documents that <br /> were being reviewed where the City of Lathrop was thinking of stopping use of the press. <br /> 3. It is my understanding from the documents that the permit was required based on the test results <br /> and inspection report written. <br /> I am off right now but will send a follow up email to these additional items tomorrow morning. <br /> Are okay for an early afternoon meeting? Maybe around 1:30 PM? <br /> Thank You, <br /> John Alaniz <br /> From:Jonah Sonner<lsonner@ci.lath rop.ca.us> <br /> Sent: Wednesday,April 15, 2026 12:36 PM <br /> To:Alaniz,John [EHD] <ialaniz1@sigov.org>; Sammons, Lynsey [EHD] <Isammons@slgov.org>; Frank Vallejo <br /> <fvaIlelo@ci.lath rop.ca.us>; Philip Humphrey<phumphrey@ci.lathrop.ca.us> <br /> Cc: Presto, Carol [EHD] <cpresto@slgov.org> <br /> Subject: Re: [**EXTERNAL**] PR0538356, PR0538355, PR0543928- HMBP, LQG HW,TP-PBR Compliance Info 2025 - <br /> 12.8.25 <br /> Hi John, <br /> Thanks for sending this over and referring me to the historical documents. <br /> Just to clarify-you said in your first email that we were failing the TCLP, however in the document you <br /> attached all of the TCLP results were ND for Arsenic. Maybe I am misunderstanding something? <br /> I read through the documents as well(a lot of duplicates it seems) and came across Michelle's original <br /> statement that we needed to obtain a permit for treating hazardous waste, and then H2O responds in <br /> November 2016 that we were in process of making facility modification to avoid needing a permit. After <br /> that statement, all communication or reference drops off to needing a permit, so I cannot determine <br /> from these documents if EHD accepted or denied those modifications and then required the permit. Was <br /> the permit required from the 2020 settlement? <br /> I'm available tomorrow after 11AM to discuss further. Does this workforyou? <br /> Thanks very much! <br /> Jonah Sonner <br /> Compliance Engineer <br /> City of Lathrop I Public Works Department <br /> 390 Towne Centre Drive,Lathrop,CA 95330 <br /> P:(209)941-7443 1 C:(209)665-9882 <br /> Isonner@ci.lathrop.ca.us <br /> 2 <br />