; or (ii) house an inmate who poses an ongoing significant and serious threat to the safety of other inmates, staff, or the public that cannot be addressed through alternative housing; and (B) issue final approval of referral of any inmate who poses an ongoing significant and serious threat for placement in an Administrative Maximum facility, including the United States Penitentiary Administrative Maximum in Florence, Colorado. (8) Right to review placement in solitary confinement The Director shall ensure that each inmate placed in solitary confinement has access to— (A) written notice thoroughly detailing the basis for placement or continued placement in solitary confinement not later than 6 hours after the beginning of such placement, including— (i) thorough documentation explaining why such confinement is permissible and necessary under paragraph (1); and (ii) if an exception under paragraph (2)(A), (3)(D), (4)(A), (4)(B), (4)(C), (5)(A), or (5)(B) is used to justify placement in solitary confinement or under paragraph (1) to justify increased restrictive conditions in solitary confinement, thorough documentation explaining why such an exception applied; (B) a timely, thorough, and continuous review process that— (i) occurs within not less than 3 days of placement in solitary confinement, and thereafter at least— (I) on a weekly basis for inmates in special housing units; (II) on a monthly basis for inmates in special management units; and (III) on a monthly basis for inmates at an administrative maximum facility; (ii) includes private, face-to-face interviews with a multidisciplinary staff committee; and (iii) examines whether— (I) placement in solitary confinement was and remains necessary; (II) the conditions of confinement comply with this section