The security instrument gives remedies to the lender in case of default but does not grant possession.  3.  

If the dog is there during the inspection (or it's obvious that one has been there), you can remind her that a pet on premises is a violation of her lease and ask how she would like to remedy it:  dog be found a temporary home, she can move out now - but rent still due until notice date, etc.  

I won’t get deep into it; I’ll just give a remedy to the heated discussion which will solve the problem legally.

Don't assume anything based on good sense or logic with this tenant, just do exactly what the legal remedy in your jurisdiction is.

Read your original section 8 agreement to see if you have any remedies.

This could mean thousands of dollars to landlord to remediate the problem in older houses.

We brought in our mold remediation contractor and had an assessment performed and a remediation estimate written up. 

I’m certified in mold remediation and removal.

Escrow would also hold the original note and present it to me if the assignment is recorded.The escrow instructions would have to be clear about what’s a default, how it’s claimed, what the remedies would be before recording, and probably a hundred other things a lawyer could help you with.

You can also have soil samples taken before removal to ensure that there is no leak and many companies will give you a firm price for removal and remediation after thats done. the last thing you want is an expensive environmental issue so make sure you know the status of the tank before you close.