CFR > Title 40 > Chapter I > Subchapter U > Part 1065 > Subpart C > Air-to-Fuel Ratio Measurements CFR > Title 40 > Chapter I > Subchapter U > Part 1065 > Subpart C > Air-to-Fuel Ratio Measurements Current as of: 2024 | Check for updates | Other versions § 1065.284 Zirconium dioxide (ZrO2) air-fuel ratio and O2 analyzer
