or hazardous liquid pipeline facility and verify that the pipeline has been purged of combustibles and hazardous materials. (D) Requirements for reinspection The Secretary shall determine the requirements for periodic reinspection of idled natural or other gas pipeline facilities and hazardous liquid pipeline facilities. (E) Inventory The Secretary shall require operators to report to the Secretary information on idled natural or other gas pipeline facilities and hazardous liquid pipeline facilities in their system, including the location of a pipeline, whether the pipeline has been purged of combustibles and hazardous materials, whether a blanket of inert gas remains in the line, the date on which the operator idled the pipeline, and a written description for why the operator chose to place each pipeline into idle status. (e) Availability of data (1) In general The Secretary shall make available to the public the inventory required under subsection (d)(E), and publish annually on a website accessible to the public a list indicating pipeline operating status changes. The list shall include— (A) the name of the operator