APS Long Term Storage Ring Maintenance Mar 4, 2020 Calendar When: May 12, 2020 @ 8:00 am – June 16, 2020 @ 8:00 am 2020-05-12T08:00:00-05:00 2020-06-16T08:00:00-05:00 13 BMC 13 BMD 13 ID C/D 13 IDE General APS Long Term Storage Ring Maintenance, May 12 (8am) – June 16 (8am)