CPN-Certificate of public necessity.
Chairperson-Chairperson of the EQB.
Impact assessment-A report, analysis or module previously prepared by or on behalf of the applicant to comply with existing Federal or State permitting or regulatory requirements. The term includes solid waste management permit modules and analyses submitted to meet the requirements of Subchapter A (relating to siting hazardous waste treatment and disposal facilities) and established State and Federal permitting requirements.
25 Pa. Code § 269a.101