• Air emissions source inventories
• Air emissions source testing and monitoring results
• Licenses, permits, and other regulatory registration documents
• Expansion, renovation, or new air emissions–control device records, permits or
regulatory correspondence
• Written records of air emissions–related communications with external parties,
including but not limited to community groups, regulatory agencies, and local
authorities
• All inspection and maintenance records
• Reports of unusual environmental events, and responsive corrective actions taken
• Records of any corrective actions, rectifications, or follow-up actions taken for
any deficiencies, complaints, Notices of Violations, and the like