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paperwork? <br /> Garrett <br /> From:Ryan Hiatt<Rvan.Hiattna tchem.com> <br /> Sent:Wednesday,April 3,2019 1:51 PM <br /> To:Garrett Backus[EH]<gbackusl@sicehd.com> <br /> Cc:John Alaniz[EH]<ialanizl(cDsicehd.com>;Alex Reynon<Alex.Reynon(@tchem.com>; Ekker,Anne@DTSC <br /> <Anne.Ekker(@dtsc.ca.gov>; Muniappa Naidu [EH]<Mnaidupsicehd.com> <br /> Subject:RE: Meeting topics <br /> Thanks Garrett for getting back to us so quickly. <br /> If any of these missed the purpose of the question please give me a call and clarify and I will update resend if needed. <br /> Ryan.Hiattl@Tchem.com 1916-292-1716 <br /> Questions retained in blue <br /> Answers in black <br /> Before we meet please provide the following about the cylinder wash fluid: <br /> 1. What's the source of this waste? <br /> a. Rinsing chlorine cylinders <br /> 2. What's the volume of waste to be disposed of? <br /> a. when the procedure is changed its estimated to be as high as 40,000 gallons rinse water generated <br /> annually. <br /> b. Solids 1-2%of the volume <br /> 3. What's the chemical composition?Provide SDS/analytical data. <br /> a. Attached is the metals lab <br /> b. cylinders Rinse contains liquid and minor solids fraction. <br /> i. The leachate test(attached pdf)showed Cr/Cu/Pb/Ni above threshold. <br /> 4. When will this waste be discharged/disposed of? <br /> a. We have a pick up today <br /> 5. How often will this waste be discharged/disposed of? <br /> a. Based on volume estimates Liquid transfer to SLC would require—9 shipments per year. <br /> 6. If it'll be recycled, <br /> a. how will it be handled/recycled? Depending on code review with your team- <br /> i. Treatment: <br /> 1. bag filtration <br /> 2. Ferrous treatment to remove Chrome, <br /> ii. The treated non-hazardous liquid fraction would be recycled into a process in Salt Lake facility. <br /> 1. Solids would be retained for disposal as Haz waste <br /> 2. Liquid would be recycled. <br /> b. Where would it be shipped? <br /> We would like to discuss 2 options,to be able to flex based on variation in rinse volume generation rate. <br /> i. Transfer to SLC for reclamation to allow liquid to be recycled,solids retain for disposal as <br /> hazardous waste. <br /> ii. during low volume generation periods,allow reclamation in Stockton to generate a non <br /> hazardous liquid for disposal and solids retain for disposal as hazardous waste. <br />