(a) The calibration requirements for the dilute-sample CO2 analyzer are specified in 40 CFR part 1065, subpart D, for heavy-duty engines and §86.124-78 for light-duty trucks.

(b) The calibration requirements for the raw CO2 analyzer are specified in 40 CFR part 1065, subpart D.

[70 FR 40441, July 13, 2005. Redesignated at 73 FR 37194, June 30, 2008]


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