A variety of reasons for a Phase I study to be performed exist, the most common being:
* Purchase of real property by a person or entity not previously on title.
* Contemplation by a new lender to provide a loan on the subject real estate.
* Partnership buyout or principal redistribution of ownership.
* Application to a public agency for change of use or other discretionary land use permit.
* Existing property owner's desire to understand toxic history of the property.
* Compulsion by a regulatory agency who suspects toxic conditions on the site.
* Divestiture of properties.