along with show up in bunny suits and respirators :)  

I have discussed this with my contractor and he says that to go over it with vinyl is the best thing (the sellers have just painted it but it is crumbling in several areas) and that he has to wear a full respirator setup like he would for lead based paint abatement or other hazardous materials but just screwing into it doesn’t disturb it so much that it is too much of a problem.

It had such a stench of cat urine that even after the owner was out that we had to wear respirators to walk into the house.  

Best $100 I ever spent for a respirator🤑

No need to test just be careful with it (don't eat, wear respirators, clean up thoroughly, have drop cloths/paper down, and disclose it to buyers). 

I had fans , a high dollar respirator , , high dollar goggles , etc .

If the home is stripped to the studs, and I personally do the work, wearing a P99 full face respirator along with full body disposable suit... the place is aired out, I give the chemicals time/heat to volatilize...

I had to wear a respirator to stand it.

We had to wear suits, respirators, safety glasses, and gloves.

@Adam DrummondAdam, your profile tells me you've been in the business for a bit, but still, word to the wise -- respirator with organic vapor cartridges is a must when working with oil-based poly.