(a) Persons specified in § 137.1(a) must conduct inquiries in addition to those conducted by the environmental professional under § 137.35 and may provide the information associated with these additional inquiries to the environmental professional responsible for conducting the activities listed in § 137.35—

(1) As required by § 137.55 and if not otherwise obtained by the environmental professional, environmental cleanup liens against the facility and the real property on which it is located that are filed or recorded under Federal, State, tribal, or local law.

(2) As required by § 137.70, specialized knowledge or experience of the person specified in § 137.1(a).

(3) As required by § 137.75, the relationship of the purchase price to the fair market value of the facility and the real property on which the facility is located if the oil was not at the facility and the real property on which it is located.

(4) As required by § 137.80 and if not otherwise obtained by the environmental professional, commonly known or reasonably ascertainable information about the facility and the real property on which it is located.

(b) [Reserved]