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Baker, Lydia [EHD] From: Baker, Lydia [EHD] Sent: Monday, January 25, 2021 12:54 PM To: Juliette Freestone Subject: RE: Metal Finishes Stockton -RE: RTC -HW Violation # 505 / Attachments: Hold on Tank Recert - Metal Finishing Solutions, Stockton; Extension for response to Haz Waste Tank Re -cert for Metal Finishing Solutions, Stockton; Re: Extension for response to Haz Waste Tank Re -cert for Metal Finishing Solutions, Stockton Hello Juliette, I think there has been some confusion regarding the requirements of the tank assessment. If the regulations require something to be in a tank assessment then it needs to be in the tank assessment. I've attached copies of the emails you sent after our phone calls. If the below items were not required then I would not have written a violation for them. I've included my comments below. Beside the items below we agreed that it was ok for the tank assessment to be completed this month after the coating was installed on the berm. -PE Statement is missing "be" in "...to be the best of..." (I don't remember if we discussed this. It was not included in the attached emails. PE certification statement needs to be exactly as written in the regulations. One word "be" is missing) -Capacity of secondary containment (In the email Re:Extension.... you confirmed that I asked you to include the capacity of the secondary containment and that it would hold 100% of the largest tank (1500 gallons) -Seismic calculations (I agreed that seismic calculations could be based upon the year of installation and the code at that time and not brought up to current code unless required by the PE) -Wall thickness determination method (This is not included in the emails but I believe we did discuss this. Report just needs to say how the wall thickness was determined (ruler, utg, etc.) -Tank tightness test results (This was also not in the emails but I believe we discussed this as well. Tank tightness test results are required to be included. It can be the test results from when the tank was installed. I believe you said you would get those from Metal Finishing Solutions and include it in the assessment. I believe I also said a simple hydrostatic test would work for this as well.) -Piping diameter (Do not remember if we discussed this. Just need the diameter of the PVC piping included) -Description of pumps (Not sure if we discussed this either. Just need a basic description of the pump) If you have any questions please let me know. Code sections for tank assessments are CCR 67450.3(c)(9)(F) & CCR 66265.192. Best Regards, Lydia Baker Senior Registered Environmental Health Specialist San Joaquin County Environmental Health Department