If you've got documentation the tenant is creating danger for the surrounding residents, I'd give him a 72-hour (or whatever) notice to cure.

Regardless, you need to comply with the letters.Once you fix those issues, I recommend calling their office and letting them know the violations have been cured.

You will be fined, generally the notice of violation gives you a cure period and when you don't cure the issue they'll come back with fines. 

That’s basically what my attorney told me as well, but the only thing that didn’t come up in our conversation was the possibility that the bank won’t let me cure.  

Wait seven more hours for the epoxy to cure and to use the oven normally.

I assume this guy just has no backbone and is hoping you will issue a cure or quit notice he can send so he isn't the bad guy and can get rid of his situation. 

AFTER the notice to quit for lease violation (or notice to cure or however it's done in PA) has been served, have communication with her, only via text or email, never again orally, that you rented that house to 4 occupants, and that she is in violation. 

One of the inspectors referenced above has been known to kill deals over issues that can be cured.

The only cure is MTM leases and a 30 notice of non renewal for habitually late payers.

Joe's lease has provisions against this, so I properly serve him a "10 day notice to cure" using a process server ($$).