Section 276.103
Abbreviations
Abbreviations used in this Part include the following:
|
ALVW
|
adjusted loaded vehicle weight
|
|
cc/min
|
cubic centimeters per minute
|
|
CO
|
carbon monoxide
|
|
CO2
|
carbon dioxide
|
|
CFV
|
critical flow venturi
|
|
CVS
|
constant volume sampler
|
|
DLC
|
data link connector
|
|
DTC
|
diagnostic trouble code
|
|
gpm
|
grams per mile
|
|
GVWR
|
gross vehicle weight rating
|
|
HC
|
hydrocarbons, as hexane
|
|
HDV
|
heavy duty vehicle
|
|
hr
|
hour
|
|
I/M
|
inspection and maintenance
|
|
kW
|
kilowatt
|
|
LDT1
|
light duty truck 1
|
|
LDT2
|
light duty truck 2
|
|
LDV
|
light duty vehicle
|
|
LVW
|
loaded vehicle weight
|
|
mi
|
mile, miles
|
|
MIL
|
malfunction indicator light
|
|
NDIR
|
non-dispersive infrared
|
|
NIST
|
National Institute for
Standards and Technology
|
|
NO
|
nitrogen oxide
|
|
NOx
|
oxides of nitrogen
|
|
NO2
|
nitrogen dioxide
|
|
OBD
|
on-board diagnostics
|
|
ppm
|
parts per million by volume
|
|
ppmC
|
parts per million, carbon
|
|
psi
|
pounds per square inch
|
|
RPM
|
revolutions per minute
|
|
SDM
|
source detector module
|
|
SE
|
standard error of estimate
|
|
SSV
|
subsonic venturi
|
(Source: Amended at 26 Ill. Reg. 8113, effective May 17, 2002)