; (B) collaborative research development organizations; or (C) other institutions; (5) whether there have been other testing programs granted under subsection (a) similar to the proposed safety technology and the outcome of such programs; and (6) whether the pipeline segments tested by the program could affect, or are outside of, high consequence areas (as defined in sections 192.903 and 195.450 of title 49, Code of Federal Regulations) and unusually sensitive areas (as described in section 60109(b)). (f) Multiple operators (1) In general The Secretary may select up to 5 owners or operators to carry out a testing program under subsection (a) in a single application. (2) Determination In selecting owners or operators under paragraph (1), the Secretary shall determine that each testing program proposed by such owners or operators— (A) meet the requirements of subsection (d)(1); (B) test a similar technology, best practice, or related set of technologies and best practices; and (C) provides appropriate testing conditions for the technologies or practices being used. (3) Authority to revoke participation (A) In general If an owner or operator participating in a program established under subsection (a), the Secretary may revoke permission to participate in such program if— (i) the owner or operator is involved in an accident or incident and the testing program is determined to be the cause or a contributing factor of such accident or incident