Section 6020.511 - Acquisition of real property(a) General rule.--The department may acquire, by purchase, lease, condemnation, donation or otherwise, real property or an interest in real property that the department, in its discretion, determines is needed to conduct a response action under this act. The department has no duty to acquire any interest in real property under this act.(b) Sovereign immunity.--The Commonwealth shall not be liable under this act as a result of acquiring an interest in real estate under this section, nor shall anything in this act be construed as a waiver of sovereign immunity or a waiver under 42 Pa.C.S.§ 8522 (relating to exceptions to sovereign immunity). 1988 , Oct. 18, P.L. 756, No. 108, § 511, effective in 60 days.