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:

 

 

 

cc/min

cubic centimeters per minute

CO

carbon monoxide

CO2

carbon dioxide

 

 

DTC

diagnostic trouble code

 

 

HC

hydrocarbons, as hexane

 

 

I/M

inspection and maintenance

 

 

MIL

malfunction indicator light

 

 

NIST

National Institute for Standards and Technology

NO

nitrogen oxide

NOx

oxides of nitrogen

 

 

OBD

on-board diagnostics

ppm

parts per million by volume

 

 

RPM

revolutions per minute

SDM

source detector module

TBD

test-by date

TED

test eligibility date

VIN

vehicle identification number

 

(Source:  Amended at 35 Ill. Reg. 11268, effective June 28, 2011)