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title 40
Protection of Environment
chapter I-i36
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
part 1065
PART 1065—ENGINE-TESTING PROCEDURES
subpart C
Subpart C—Measurement Instruments
subjgrp 25
Subjgrp 25. undefined
§ 1065.280 - Paramagnetic and magnetopneumatic O2 detection analyzers.
§ 1065.284 - Zirconium dioxide (ZrO2) air-fuel ratio and O2 analyzer.
