preclude an agency from participating in a licensing proceeding under this subchapter, providing that any agency participating as a party in a licensing proceeding under this subchapter shall, to the extent practicable, demonstrate a separation of staff cooperating with the Commission under the National Environmental Policy Act
1
So in original. Probably should be followed by “of 1969”.
(
42 U.S.C. 4321 et seq.) and staff participating in the applicable proceeding under this subchapter.