D.C. Mun. Regs. tit. 20, r. 20-101
Any records, reports, information, or particulars thereof, other than emissions data, that relates to production, sales figures, or processes of any owner or operator, shall not be disclosed publicly upon a showing satisfactory to the Department that to publicly disclose will result in a significant and adverse effect upon the competitive position of the owner or operator, as provided in section 204 of the D.C. Freedom of Information Act (D.C. Official Code § 2-534 ) and Section 114 of the Clean Air Act ( 42 USC § 7414) except as may be necessary to protect the public health, safety, or well-being, following an opportunity for a hearing pursuant to § 107 of this title.
Subsection 101.1 of this title shall not be construed to prevent the use of the records, reports, or information by the Department in compiling or publishing analyses or summaries relating to the general condition of the outdoor atmosphere; provided, that the analyses or summarie s do not reveal any information otherwise confidential under the provisions of this section.
Subsection 101.1 of this title shall not be construed to prevent such record, report, or information from being disclosed to other officers, employees, or authorized representatives of the District of Columbia or the United States concerned with carrying out this Act or the Clean Air Act, or when relevant in any proceeding under this Act or the Clean Air Act.
D.C. Mun. Regs. tit. 20, r. 20-101