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 A—General Provisions for Emission Regulations for 1977 and Later Model Year New Light-Duty Vehicles, Light-Duty Trucks and Heavy-Duty Engines, and for 1985 and Later Model Year New Gaso > 86.090-3—Abbreviations.

86.090-3—Abbreviations.

(a) The abbreviations in § 86.078-3 remain effective. The abbreviations in this section apply beginning with the 1990 model year.
(b) The abbreviations in this section apply to this subpart, and also to subparts B, E, F, M, N, and P of this part, and have the following meanings:
DNPH—2,4-dinitrophenylhydrazine.
FEL—Family emission limit.
GC—Gas chromatograph.
HPLC—High-pressure liquid chromatography.
MeOH—Methanol (CH3OH).
Mg—Megagram(s) (1 million grams)
MJ—Megajoule(s) (1 million joules)
THCE—Total Hydrocarbon Equivalent
UV—Ultraviolet.

Code of Federal Regulations

[55 FR 30613, July 26, 1990, as amended at 60 FR 34335, June 30, 1995]