Protection of environment. Part98:Mandatory greenhouse gas reporting. Subpart Q:Iron and steel production. Section98.177:Records that must be retained.
In addition to the records required by §98.3(g), you must retain the records specified in paragraphs (a) through (e) of this section, as applicable. Facilities that use CEMS to measure emissions must also retain records of the verification data required for the Tier 4 Calculating Methodology in §98.36(e).