(a) If DDOE approves an applicant’s status as a non-responsible person pursuant to § 8-633.02, the participant’s status as a non-responsible person continues upon acquiring an interest in the eligible property. (b) Except as provided in subsection (c) of this section, a non-responsible person is not liable for existing contamination at the eligible property. (c) A non-responsible person shall be liable for new contamination that the person causes or contributes to, and any exacerbation of existing contamination at the eligible property.