"Ozone" is not a gas. It's a charge attachment to the gases that
already exist.

wrote in message
oups.com...
: Even ozone as air cleaners can cause lung problems according to
: Consumer Reports when they last looked into this problem. A
commercial
: ozone generator could easily be several orders of magnitude
greater
: than the household units CR was evaluating - don't know without
the
: specifications. Ozone dissipates but could enter the house
since it's a
: gas. I would ask the local health authorities about quantities
of ozone
: and crawl spaces and what not. Short answer, keep all living
creatures
: away if using enough ozone the place to kill tough mold.
: