Just because it's been cleaned out doesn't mean it hasn't already contaminated the soil, which could mean big $$.

During inspection, we discovered there is an abandoned oil tank and soil contamination.

Warehouses can tend to have contamination issues so makes sure to get a recent environmental phase one report completed.

That would give me great pause and I would want an expert to come and evaluate before moving forward on deal I just know if their is contamination it can be very expensive to correct the problem.

Lead base dust could be found in the house due to toys made in China or contaminants from another owner occupant house.

Closing them can be expensive and if contamination is discovered at closure, that can be really expensive.

Ok everyone,Looking for information on dealing with a "significant contamination" from having an old heating oil tank removed. 

The only way to be 100% sure if the soil isn't contaminated is by testing it.

He has offered to have the tank removed, but is unwilling to have the ground tested to confirm there has been no contamination (he plans to "take a look at the soil" after removing the tank, and has offered to let me do the same).

Even if it was "properly" abandoned years ago, the possibility remains of soil contamination below the tank.