Spills of hazardous materials, such as chemicals or petroleum products, can happen on any property at any time. The property may or may not be aware of the spill and may not have caused the spill. However, the property owner will typically be responsible for the spill. Spills can be the result of one large catastrophic discharge or slow leaks over many years.
If your organization is in the oil industry, you are required to follow SPCC regulations. There are very specific rules that you should be aware of and following.