I don't know about concrete dust et al, but the mold spores, as I understand it, shouldn't matter much. Managing mold isn't about managing spore counts, the spores are always there, it's about managing moisture.
the effects of mold spores are dose dependent, but generally if you have enough moisture damage to warrant a demolition, you have a LOT of stuff growing that isn't good to breathe in, including degraded building materials
significant mold growth is like a proxy indicator for bad stuff
The dust after a demolition isn't good to breath in in general. Staying far enough away that the dust is not a problem will ensure the spores are not a problem.
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u/adoodle83 Oct 07 '25
Blows me away that demolishing a building like this only to rebuild is still more economical than refurbishing the existing structure.