D.C. Mun. Regs. tit. 20, § 106
106.1 Information, other than emission data, which relates to production, sales figures, or processes of any owner or operator, shall not be disclosed publicly upon a finding by the Mayor that to publicly disclose will result in a significant and adverse effect upon the competitive position of the owner or operator; except in or following public hearing, or except as may be necessary to protect the public health, safety or well-being.
106.2 Subsection 106.1 shall not be construed to prevent the use of the records or information by the Mayor in compiling or publishing analyses, or summaries relating to the general condition of the outdoor atmosphere; Provided, that the analyses or summaries do not reveal any information otherwise confidential under the provisions of this section.
SOURCE: Section 3 of the District of Columbia Air Pollution Control Act of 1984, D.C. Law 5-165, §106, 32 DCR 562, 571 (February 1, 1985).