Appendix A to Part 1033—Original Standards for Tier 0, Tier 1 and Tier 2 Locomotives

HOME NEWS REGSENSE INSTITUTE EDGE EXPERT HELP EVENTS FORUMS

...

(a) Locomotives were originally subject to Tier 0, Tier 1, and Tier 2 emission standards described in paragraph (b) of this appendix as follows:

(1) The Tier 0 and Tier 1 standards in paragraph (b) of this appendix applied instead of the Tier 0 and Tier 1 standards of §1033.101 for locomotives manufactured and remanufactured before January 1, 2010. For example, a locomotive that was originally manufactured in 2004 and remanufactured on April 10, 2011, was subject to the original Tier 1 standards specified in paragraph (b) of this appendix and became subject to the Tier 1 standards of §1033.101 when it was remanufactured on April 10, 2011.

Type of standard	Year of original manufacture	Tier	Standards (g/bhp-hr)
NO _X	PM-primary	PM-alternate ^a
^a Locomotives certified to the alternate PM standards are also subject to alternate CO standards of 10.0 for the line-haul cycle and 12.0 for the switch cycle.
Line-haul	1973-1992	Tier 0	9.5	0.60	0.30
	1993-2004	Tier 1	7.4	0.45	0.22
	2005-2011	Tier 2	5.5	0.20	0.10
Switch	1973-1992	Tier 0	14.0	0.72	0.36
	1993-2004	Tier 1	11.0	0.54	0.27
	2005-2011	Tier 2	8.1	0.24	0.12