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) > 86.1305-2004—Introduction; structure of subpart.

86.1305-2004—Introduction; structure of subpart.

(a) This subpart describes the equipment required and the procedures to follow in order to perform exhaust emissions tests on Otto-cycle and diesel-cycle heavy duty engines. Subpart A of this part sets forth the emission standards and general testing requirements to comply with EPA certification procedures.
(b) This subpart contains five key sets of requirements, as follows: specifications and equipment needs ( §§ 86.1306 through 86.1314); calibration methods and frequencies ( §§ 86.1316 through 86.1326); test procedures ( §§ 86.1327 through 86.1341 and §§ 86.1360 through 86.1380); calculation formulas ( §§ 86.1342 and 86.1343 ); and data requirements ( § 86.1344 ).

Code of Federal Regulations

[65 FR 59958, Oct. 6, 2000]