1065.940 Emission calculations.§ 1065.940 Emission calculations.
(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.
(b) You may use a fixed molar mass for the diluted exhaust mixture for field testing. Determine this fixed value by engineering analysis.[75 FR 68467, Nov. 8, 2010]