(a) The competitive bidding contract procedures established by Chapters 2155-2158, do not apply to a contract awarded by the department for:
(1) testing a solid waste or other substance to determine whether the waste or other substance is a hazardous waste; or
(2) the transport, storage, treatment, or disposal of a hazardous waste.
(b) The department shall promulgate procedures for the purpose of purchasing under Subsection (a). The department shall file copies of the procedures promulgated under this subsection with the comptroller.