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CsI Water Damage Repair:

1. Remove CsI crystals (56 out of 56) (11/15)
   • Dismantle telescopes
   • Store E, dE detectors
   • Unwrap CsI bundles
2. Remove as much filter paper as possible from CsI (using ethanol and plastic scraper) (56 out of 56) (11/20)
3. Document damage (depth on front surface) (56 out of 56)
4. Detach photodiodes from each crystal (leave light guides on for now) (56 out of 56) (12/19)
5. Remove remaining filter paper and light guide paint (56 out of 56) (12/19)
6. Sand sides of each crystal (0 out of 56)
7. Ship crystals to WashU (2 out of 56) (12/12)
   • I will rent a car and drive them (dates TBD)
8. Design and assemble lapping setup (design completed) (1/1)
   • Motion control + support
   • Coarse vertical motion
   • CsI holder that attaches to motion control
   • Sandpaper (delivered) (11/18)
   • Craig is busy, but will try to look at it within the next month
9. Practice lapping with beam blocker (?)