It could be anywhere from 5 days to 2 weeks. It's typical for standard or bulk mail. Who knows how many facilities it goes through. I hope it shows up soon.
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Sent_____[09.19.17]__Bio Letter_______[10.03.17]
Received__[09.22.17]_..Bio Appointment__[10.31.17]
Receipt___[09.29.17]_..Approved_______[11.03.17]
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Oh Lord, keep safe our imperfect form