I just went to a class on mold remediation a couple of weeks ago. The
bleach thing was a question that I asked. The instructor recommended
against using it, because people sensitised to mold don't need any
other chemicals in the air among other things. The instructor had a


(1) Bleach is a on-time deal, mold keeps right on giving.

(2) In an uninhabitted attic, any airborne chemicals should be headed
out the vents, not into the living space, anyway.

http://www.umass.edu/bmatwt/publicat...truction. htm