40 CFR 91.412 - Data logging.
(a) A computer or any other automatic data collection (ADC) device(s) may be used as long as the system meets the requirements of this subpart.
(b) Determine from the data collection records the analyzer responses corresponding to the end of each mode.
(d) Determine the final value for power by averaging the individually calculated power points for each value of speed and torque recorded during the sampling period. As an alternative, the final value for power can be calculated from the average values for speed and torque, collected during the sampling period.
Title 40 published on 2013-07-01
no entries appear in the Federal Register after this date.