GroundRules
40 CFR 1065.284: Zirconium dioxide (ZrO2) air-fuel ratio and O2 analyzer.
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER U—AIR POLLUTION CONTROLS
- PART 1065—ENGINE-TESTING PROCEDURES
- Subpart C—Measurement Instruments
(a) Application. You may use a zirconia (ZrO2) analyzer to measure air-to-fuel ratio in raw exhaust for continuous sampling. You may use O2 measurements with intake air or fuel flow measurements to calculate exhaust flow rate according to § 1065.650.
(b) Component requirements. We recommend that you use a ZrO2 analyzer that meets the specifications in § 1065.205. Note that your ZrO2-based system must meet the linearity verification in § 1065.307.
Collected 2026-08-27T02:26:04Z. Source file · JSON