[Info-vax] lower-cost bulk eraser for high-coercivity tape media (DAT, DLT, Ultrium etc)?

[John Reagan]

On Friday, February 16, 2018 at 4:44:58 PM UTC-5, Bill Gunshannon wrote:
>  No amount of erasing or re-writing can clean
>  a magnetic device.

Yep.  When I worked at Oak Ridge years ago, the extreme disposal of hard drive platters and tapes allegedly involved melting them down, mixing in radioactive bits left over from the machine shop, and then burying them along with other waste.