Carpets cleaned while pregnant

I’m getting my carpets cleaned today and they claim they use patented zr process which includes Powered Water, does not contain any harsh soaps, shampoos or detergents; therefore it is safe for pets and kids.(you can drink it)

Why am I still paranoid with getting this done. I’m in my 3rd trimester. Do you think it’s ok if I open up all the windows and stuff as it’s only being done upstairs not the entire house.