such data is— (i) a product of monitored emissions, and (ii) able to be verified by the Secretary or the Board, (D) the best available information on technology performance levels for the industrial sector that produces such product, and (E) manufacturing and pollution data which is specific to a covered product, including relevant data with respect to the point source pollution and upstream pollution, the industrial sector which is associated with such product, and the country of origin. (2) Data preference (A) In general To the greatest extent possible, in determining baseline pollution intensity, the Secretary and the Board shall give preference to data collected through regulatory reporting methods by the Environmental Protection Agency. (B) Data collection To the extent necessary to carry out the purposes of this subchapter, the Administrator may alter the Greenhouse Gas Reporting Program (as established under part 98 of title 40, Code of Federal Regulations) to include the reporting of production from stationary sources regarding— (i) the quantity of any product produced, and (ii) the heading, subheading, and statistical reporting number of the HTS under which the product would be classified if the product were imported. (3) Access to information (A) In general The head of every relevant Federal agency shall provide the Secretary and the Board with any information held by or otherwise available to the head of such Federal agency which is relevant to the calculation of pollution intensity. (B) Confidentiality With respect to any information or data relating to operational practices or manufacturing processes of any producer of a covered product which is provided to the Secretary and the Board pursuant to subparagraph (A), unless such information or data is otherwise publicly available, the head of any relevant Federal agency shall take such measures as are necessary to ensure that such information and data is aggregated and anonymized. (d) Methodology (1) In general For purposes of creating a process for