The best you would be able to get is a Letter of Environmental Protection, which tells everyone you did illegal work then hired a licensed deleader in to fix it.

That said, hiring anyone is a risk. 

I hire an attorney every time I close anything now.

I currently own/manage 10 units and have a contractor that I use for all of my property, the issue is he works full time and although he's a fantastic contractor there's only so many hours in a day and sometimes thing...

How are you handling on-site tasks, have you hired someone to stop by once a week or so?

Air seal it well as you put it back together, then do a blower door test and hire an HVAC guy that will aggressively size an inverter heat pump.

Hiring yourself means working with a complete rookie.

On the other hand, when practicing property management, you hire a manager to oversee all of your day-to-day activities.

I have 5 students who's lease expired and they all moved out, upon inspection inside my rental home, I found damages, took photos of it. hired some contractors from thumbtack app and facebook locally to fix some major wall scuffing, repainting  and many more issues. 

He says that hiring property managers for such an asset class can be very tricky.