Different apples need different controlled storage environments. For example, Honeycrisps are sensitive to low temperatures so you can't put them in cold environments right after they've been harvested. And Fujis can't take high carbon dioxide levels.
Many institutions have their archives stored on CDs — but the discs aren't as stable as once thought. There is no average life span for a CD, says preservationist Michele Youket, "because there is no average disc."