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Regulations last checked for updates: May 17, 2025
Title 40 - Protection of Environment last revised: Nov 17, 2025
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Title 40
Chapter I
Part 1066
Subpart B - Subpart B—Equipment, Measurement Instruments, Fuel, and Analytical Gas Specifications
§ 1066.101 - Overview.
§ 1066.105 - Ambient controls and vehicle cooling fans.
§ 1066.110 - Equipment specifications for emission sampling systems.
§ 1066.120 - Measurement instruments.
§ 1066.125 - Data updating, recording, and control.
§ 1066.130 - Measurement instrument calibrations and verifications.
§ 1066.135 - Linearity verification.
§ 1066.140 - Diluted exhaust flow calibration.
§ 1066.145 - Test fuel, engine fluids, analytical gases, and other calibration standards.
§ 1066.150 - Analyzer interference and quench verification limit.
authority:
42 U.S.C. 7401-7671q.
source:
79 FR 23823, Apr. 28, 2014, unless otherwise noted.
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