§276.103. Abbreviations

Latest version.

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
NO_x	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)

                    
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