Minchah Offering

left over money from Minchah Offering of the kohen gadol, what is done with it?

Minchah Offering (kometz) or its remnants were lost, offering valid?

Minchah Offering for a kohen gadol who died, sources

separated half of the required amount of ash at a time, half of a kometz for the Minchah Offering at a time

taken from the altar but blew away prior to being placed on the floor, kometz of the Minchah Offering that blew away prior to being burnt