During my pregnancy, I was doing set up of a childcare centre. I was walking in e construction site to setting the place ready for licensing. Baby is fine. However, I do try to drink plenty of water hoping to flush away any toxic.
They say its superstition only.. look at western people, the mom ownself will go and renovate for nursery hahaha diff people diff beliefs, maybe don't think abt it too much? Then again it's really your call!
Your own decision. I believe you will make a good call for your LO dont worry