; (2) any completed or ongoing tests and data regarding composite pipeline materials available to the Secretary or other Federal agencies; and (3) any recommended standards, including consensus standards, and Federal agency authorizations relating to use of composite pipeline materials. (c) Public participation To ensure adequate public participation in completing the study under subsection (a), the Secretary shall— (1) hold a public meeting with interested stakeholders, including the affected industries, interest groups, and other individuals with relevant expertise; (2) release a draft version of the study for public comment for a period of not less than 60 days