to any renewable chemical, the biobased content of such chemical (expressed as a percentage) determined by testing representative samples using the American Society for Testing and Materials (ASTM) D6866. . (2) List of other qualifying renewable chemicals Not later than 180 days after the date of the enactment of this Act, the Secretary of the Treasury (or the Secretary's delegate), in consultation with the Secretary of Agriculture, shall establish a program to consider applications from taxpayers for the listing of chemicals under section 7874(d)(6)(A)(vi)(II) (as added by paragraph (1)). (c) Disposal and utilization of captured carbon dioxide Section 7704(d) of such Code, as amended by subsection (b), is amended by adding at the end the following new paragraph: (7) Disposal and utilization of captured carbon dioxide For purposes of clauses (xii)(III) and (xiii)(I) of paragraph (1)(E), carbon dioxide is disposed of or utilized as provided in this paragraph if such carbon dioxide is— (A) placed into secure geological storage (as determined under section 45Q(d)(2)), (B) used as a tertiary injectant (as defined in section 45Q(d)(3)) in a qualified enhanced oil or natural gas recovery project (as defined in section 45Q(d)(4)) and placed into secure geological storage (as so determined), (C) fixated through photosynthesis or chemosynthesis (such as through the growing of algae or bacteria), (D) chemically converted to a material or chemical compound in which it is securely stored, or (E) used for any other purpose which the Secretary determines has the potential to strengthen or significantly develop a competitive market for carbon dioxide captured from man-made sources. . (d) Effective date The amendments made by this section shall take effect on the date of the enactment of this Act, in taxable years ending after such date.