So my step dad poured sulfuric acid in our tub drain to unclog it. Not sure how much but he opened the bathroom window and we have all our windows open. I've been gone with kids for an hour and my son came back over with me. The house smells awful, and I've googled Inhaling fumes is toxic. We have the bathroom shut with the window open so is it inhaling fumes by smelling it or like directly after pouring. I want my kids safe and I safe if we can't be on premises. I remember growing up we had a landlord do similar and we had to stay elsewhere for three days because we were told we could get seriously sick and die??? Can anybody help me?