40 CFR 89.325 - Engine intake air temperature measurement.
(a) Engine intake air temperature measurement must be made within 122 cm of the engine. The measurement location must be made either in the supply system or in the air stream entering the supply system.
[59 FR 31335, June 17, 1994. Redesignated at 63 FR 56995, Oct. 23, 1998]
Title 40 published on 2013-07-01
no entries appear in the Federal Register after this date.