CFR›Title 40›Chapter I›Part 60›Subpart JJJJ›Subject Group Testing Requirements for Owners and Operators ContainsSection 60.4244CorpusDaily eCFRDisplayed edition2026-06-08Last updated2026-06-08 Sections 60.4244 § 60.4244 What test methods and other procedures must I use if I am an owner or operator of a stationary SI internal combustion engine? Previous Other Requirements for Owners and Operators Other Requirements for Owners and Operators Next What This Subpart Covers What This Subpart Covers