StacksVerified U.S. regulatory reference

40 CFR §1065.940

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Perform emission calculations as described in § 1065.650 to calculate brake-specific emissions for each test interval using any applicable information and instructions in the standard-setting part.
  2. (b)You may use a fixed molar mass for the diluted exhaust mixture for field testing. Determine this fixed value by engineering analysis.