성 이사장은 “사표를 제출하기 전 환경부 장관으로 지명이 됐는데, 시기적으로 국감과 청문절차가 동시 진행돼 이런 일이 발생했다”고 해명했다.
I was nominated as environment minister before submitting my resignation, but this happened because the parliamentary inspection and hearing procedures were conducted periodically at the same time, Chairman Sung explained.