CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER C—AIR PROGRAMS (Parts 50–99) > PART 86—CONTROL OF EMISSIONS FROM NEW AND IN-USE HIGHWAY VEHICLES AND ENGINES > SUBPART N—Emission Regulations for New Otto-Cycle and Diesel Heavy-Duty Engines; Gaseous and Particulate Exhaust Test Procedures (§86.1301 to §86.1380-2004) > 86.1340-94—Exhaust sample analysis.

86.1340-94—Exhaust sample analysis.

Section 86.1340-94 includes text that specifies requirements that differ from § 86.1340-90. Where a paragraph in § 86.1340-90 is identical and applicable to § 86.1340-94, this may be indicated by specifying the corresponding paragraph and the statement “[Reserved]. For guidance see § 86.1340-90.”
(a) through (d)(6) [Reserved]. For guidance see § 86.1340-90.
(d) (7) Measure HC (except diesels), CH4 (natural gas-fueled engines only), CO, CO2. and NOX sample bag(s) with approximately the same flow rates and pressures used in § 86.1340-90(d)(3). (Constituents measured continuously do not require bag analysis.)
(d) (8) through (h) [Reserved]. For guidance see § 86.1340-90.

Code of Federal Regulations

[59 FR 48534, Sept. 21, 1994, as amended at 60 FR 34375, June 30, 1995]