The costs are is secured by a fund. probably backed by some bigger insurance company.

There will be a controlled shutdown, that take quite some time
to warm up the ring.(this can take weeks, to prohibit the
magnets to crack)

The cleaning needs to be assesed. Its probably required to
replace the tubing completely.
Else the remaining hand-tissue will freezedry and mummyfy in the vacuum tube.

The remaining parts on the floor/walls can be cleaned with standard
floor cleaner, probably by a technician.