TITLE 35: ENVIRONMENTAL PROTECTION
SUBTITLE B: AIR POLLUTION
CHAPTER II: ENVIRONMENTAL PROTECTION AGENCY
PART 276 PROCEDURES TO BE FOLLOWED IN THE PERFORMANCE OF INSPECTIONS OF MOTOR VEHICLE EMISSIONS
SECTION 276.103 ABBREVIATIONS


 

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)