Update
There was a crack in the cement floor that they took a core drill from to see if it went through the entire 4 inches of concrete. It did. If you have any cracks in the floor of a fuel oil spill they should be thoroughly investigated.
As a result of the crack going through the cement, the surface below has to be excavated and tested for contamination. These soil samples are sent to the DES for testing by an independent lab. (Not to be paranoid, but I would monitor these soil collections to make sure they are taking them from the potentially contaminated area and not some far off place where contamination is unlikely. Again--time=$$ to the insurance company)
In my case, the gravel is being vacuumed out and put in hazardous waste barrels. (What ever happens to those barrels, I wonder?) Right now we have a hole in the basement that is 3 feet deep and about 6 six feet in circumference. It's getting larger by the hour. The furnace is being suspended from the ceiling as is the water tank with big straps and heavy duty hangers. Nothing underneath as the cement has been jack hammered away. Pretty incredible to see. I'll post a picture later.
Important note:I work from home so I am able to monitor this whole procedure and ask questions. I would recommend anyone in this same situation find a way to be home or find someone who can be there on your behalf.
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