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Hi Karen,thank you for the description of the tank testing. Please allow me a day or two to get back to you, as I'd like to <br /> share your email with my superiors for their review. <br /> Bill, if the tanks will be filled with their respective wastes for the testing,what is the facility's plan/timeline for removal <br /> of these wastes so that the tanks can continue to be used? <br /> Thank you, <br /> Elianna Florido, REHS <br /> San Joaquin County Environmental Health Department <br /> Registered Environmental Health Specialist <br /> 1868 East Hazelton Ave <br /> Stockton, CA 95205 <br /> P: (209)468-0343 1 F: (209) 468-3433 1 E: eflorido@smgov.org <br /> Please note that my email has changed to eflorido@s*gov.org <br /> SAN JOAQU N <br /> C_ 0 ti.J N I Y <br /> t�� r <br /> Greatness n)ws here. <br /> From: Karen Petryna <Karen.Petryna@ghd.com> <br /> Sent:Thursday, May 7, 2020 10:57 AM <br /> To: Florido, Elianna <eflorido@slgov.org> <br /> Cc: Bill Boscacci <Bill.Boscacci@o-i.com> <br /> Subject: Owens-Brockway Glass Container,Tracy:Tightness Testing Used Oil and Poly Wastewater Systems <br /> Hi, Elianna <br /> Although we are confident the tightness tests performed on the three waste tank systems were adequate to verify they <br /> don't leak, 0-1 is willing to conduct further testing,with the tanks completely full,to address SJCEHD's concerns. The <br /> testing protocols are described below, and 0-1 is planning to begin testing next Wednesday, May 13. <br /> Please confirm SJCEHD agrees completion of the testing described will verify to SJCEHD's satisfaction the waste tank <br /> systems don't leak. <br /> For the Used Oil Tank Systems: <br /> 1. The steel tank will be filled to the top. It cannot be filled above the top or fluid would flow out of the vent pipe <br /> there. <br /> 2. The rope oil collection system will be turned off so no additional oil can enter the tank. <br /> 3. An aperture on the top of the tank will be opened and a measurement will be taken there with date-and time- <br /> stamped photo documentation. <br /> 4. At least 24 hours later, the level of fluid at the aperture on the top of the tank will be measured again with date- <br /> and time-stamped photo documentation. <br /> 5. Two fluid level measurements at the tank top aperture over a 24-hour period will verify the tank does not leak. <br /> 6. The PVC pipe that conveys used oil from the rope oil system box to the used oil tank is considered inherently <br /> leak proof because: <br /> a. It is open to the atmosphere and therefore under no pressure. <br /> b. It is located above the tank and conveys fluid by gravity and is only ever partially full. <br /> 2 <br />