However, did you investigate if this is common in the area? 

Please investigate further before you put your own capital up.

I'll have to investigate that for myself.

I will keep you posted how it turns out and investigate some of your suggestions.Cheers,Brian

First, my employer caught wind of my BP podcast interview and internally investigated if they could fire me.

Try to investigate and perhaps popping sound from loose floors at night(screw subfloor not use nails).

I would reject the application without bothering to waste any time investigating.

Have you investigated the FHA 203k loan product?

Prior to purchase, as is customary in NJ, I had a tank sweep company come investigate the property. 

To give you an idea on the cost to remove the UST and get a No Further Action letter from NJDEP you would have to hire a pre-qualified environmental professional to investigate and remediate unregulated underground.