Learn what to look for once your oil tank is removed.
There are some extreme cases where a couple indications may suggest that contamination may be present on your property before removing your oil tank. Once a tank is removed, there are a few indicators your soil may have issues. Visually, the first thing you may notice is blue soil around the nest of the excavation from which the tank was extracted. According to the definition adopted by the government of Canada, a contaminated site is “one at which substances occur at concentrations above background (normally occurring) levels and pose or are likely to pose an immediate or long term hazard to human health or the environment, or exceeding levels specified in policies and regulations.”