[Code of Federal Regulations]
[Title 40, Volume 18]
[Revised as of July 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR92.3]

[Page 411]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 92--CONTROL OF AIR POLLUTION FROM LOCOMOTIVES AND LOCOMOTIVE ENGINES--
Table of Contents
 
 Subpart A--General Provisions for Emission Regulations for Locomotives 
                         and Locomotive Engines
 
Sec. 92.3  Abbreviations.

    The abbreviations of this section apply to all subparts of this part 
and have the following meanings:

ANSI--American National Standards Institute
API--American Petroleum Institute
ASTM--American Society for Testing and Materials
BHP--Brake horsepower
BSCO--Brake specific carbon monoxide
BSHC--Brake specific hydrocarbons
BSNOX--Brake specific oxides of nitrogen
  deg.C--Celsius
cfh--cubic feet per hour
cfm--cubic feet per minute
CFV--Critical flow venturi
CL--Chemiluminescence
CO--Carbon monoxide
CO2--Carbon dioxide
cu in--cubic inch(es)
CVS--Constant volume sampler
EP--End point
EPA--Environmental Protection Agency
  deg.F--Fahrenheit
FEL--Family emission limit
FID--Flame ionization detector
ft--foot or feet
g--gram(s)
gal--U.S. gallon
GC--Gas Chromatograph
h--hour(s)
H2O--water
HC--hydrocarbon
HFID--Heated flame ionization detector
Hg--Mercury
hp--horsepower
IBP--Initial boiling point
in--inch(es)
K--Kelvin
kg--kilogram(s)
km--kilometer(s)
kPa--kilopascal(s)
lb--pound(s)
LPG--Liquified Petroleum Gas
m--meter(s)
max--maximum
mg--milligram(s)
mi--mile(s)
min--minute
ml--milliliter(s)
mm--millimeter
mph--miles per hour
mv--millivolt(s)
N2--nitrogen
NDIR--Nondispersive infrared
NMHC--Non-methane hydrocarbons
NO--nitric oxide
NO2--nitrogen dioxide
NOX--oxides of nitrogen
No.--number
O2--oxygen
pct--percent
PM--particulate matter
ppm--parts per million by volume
ppmC--parts per million, carbon
psi--pounds per square inch
psig--pounds per square inch gauge
 deg.R--Rankin
rpm--revolutions per minute
s--second(s)
SAE--Society of Automotive Engineers
SI--International system of units (i.e., metric)
THCE--Total hydrocarbon equivalent
U.S.--United States
V--volt(s)
vs--versus
W--watt(s)
wt--weight