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Alaniz, John <br /> From: Lon Kitagawa <LKitagawa@aascworld.com> <br /> Sent: Wednesday, February 19, 2020 3:10 PM <br /> To: Alaniz, John <br /> Subject: RE: COMMENTS - 1-22-2020 INSPECTION <br /> Thanks for the clarification. I'll further update the waste analysis plan to include the items you mentioned. <br /> As far as the dilution factor, depending on the configuration and size of the part, our NDT inspectors say <br /> conservatively, a 10-1 ratio of water to dye penetrant is used. It's probably much higher than that. <br /> From: Alaniz, John [mailto:jalanizl@sjgov.org] <br /> Sent: Wednesday, February 19, 2020 2:53 PM <br /> To: Lon Kitagawa <br /> Subject: RE: COMMENTS - 1-22-2020 INSPECTION <br /> HI Lon, <br /> You have 30 days to submit a response from when you received the inspection reports. The certification is due on <br /> 2/29/2020 <br /> From: Lon Kitagawa [mailto:LKitagawa@aascworld.com] <br /> Sent:Wednesday, February 19, 2020 2:53 PM <br /> To:Alaniz,John <jalanizl@sjgov.org> <br /> Subject: RE: COMMENTS- 1-22-2020 INSPECTION <br /> John: <br /> So when is the certification due? Still 2/22 or 2/29? <br /> From: Alaniz, John [mailto Jalanizl@sjgov.org] <br /> Sent: Wednesday, February 19, 2020 2:29 PM <br /> To: Lon Kitagawa <br /> Cc: Backus, Garrett <br /> Subject: RE: COMMENTS - 1-22-2020 INSPECTION <br /> Hi Lon, <br /> -Regarding the waste analysis plan: <br /> 1) Treatment Description: reduction of chromium needs to be done with ferrous sulfide (also called iron (II) <br /> sulfide). That chemical name needs to be listed within the treatment description. Also, what is the pH of the <br /> water after the treatment? It also needs to be tested with the metals to show that the treatment is working. <br /> 2) Test Methods: method 200.7 is OK for wastewater with <0.5%solids. If the sample has>=0.5%solids then <br /> they need to follow Title 22 CCR 66261.24(a)(2)(A) and Appendix II which requires an extraction of the filtered <br /> out solids. This needs to be addressed in the test methods. <br /> 3) Please provide a copy of the sample results for the two alodizing rinse waters and the water scrubber unit. <br /> 1 <br />