On Friday, January 2, 2015 at 11:29:24 AM UTC-8, mike wrote:

In the attic, I have about a hundred used incandescents, right
next to the hundred CFL's, right next to all the spare LED's
I bought but never used.

Use up the CFL's. Those have a small amount of radioactive fill
gas as their 'starter' and it has a half-life. It lasts maybe one
decade.