Appendix C to Subpart S of Part 51 - Steady-State Short Test Standards
40:2.0.1.1.2.16.11.25.26 : Appendix C
Appendix C to Subpart S of Part 51 - Steady-State Short Test
Standards (I) Short Test Standards for 1981 and Later Model Year
Light-Duty Vehicles
For 1981 and later model year light-duty vehicles for which any
of the test procedures described in appendix B to this subpart are
utilized to establish Emissions Performance Warranty eligibility
(i.e., 1981 and later model year light-duty vehicles at low
altitude and 1982 and later model year vehicles at high altitude to
which high altitude certification standards of 1.5 gpm HC and 15
gpm CO or less apply), short test emissions for all tests and test
modes shall not exceed:
(a) Hydrocarbons: 220 ppm as hexane.
(b) Carbon monoxide: 1.2%.
(II) Short Test Standards for 1981 and Later Model Year Light-Duty
Trucks
For 1981 and later model year light-duty trucks for which any of
the test procedures described in appendix B to this subpart are
utilized to establish Emissions Performance Warranty eligibility
(i.e., 1981 and later model year light-duty trucks at low
altitude and 1982 and later model year trucks at high altitude to
which high altitude certification standards of 2.0 gpm HC and 26
gpm CO or less apply), short test emissions for all tests and test
modes shall not exceed:
(a) Hydrocarbons: 220 ppm as hexane.
(b) Carbon monoxide: 1.2%.