U.S. EPA Non-Road and Stationary Emissions Regulations

Summary Chart Optimized for MQ Power Generators 1995-2004


 


    
kWm (HP) 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
0 ≤ P < 8 (0 - 11) TIER 0 (10.5) / 8.0 / 1.0
8 ≤ P < 19 (11 - 25) TIER 0 (9.5) / 6.6 / 0.80
19 ≤ P < 37 (25 - 50) TIER 0 (9.5) / 5.5 / 0.80 (7.5) / 5.5 / 0.60
37 ≤ P < 56 (50 - 75) TIER 0 9.2 / -- / -- (7.5) / 5.0 / 0.40
56 ≤ P < 75 (75 - 100) TIER 0 9.2 / -- / --
75 ≤ P < 130 (100 - 174) TIER 0 9.2 / -- / -- (6.6) / 5.0 / 0.30
130 ≤ P < 225 (174 - 302) TIER 0 9.2 / 1.3 / 11.4 / 0.54 (6.6) / 3.5 / 0.20
225 ≤ P < 450 (302 - 603) TIER 0 9.2 / 1.3 / 11.4 / 0.54 (6.4) / 3.5 / 0.20
450 ≤ P < 560 (603 - 750) TIER 0 9.2 / 1.3 / 11.4 / 0.54 (6.4) / 3.5 / 0.20
560 ≤ P < 900 (750 - 1206) TIER 0 9.2 / 1.3 / 11.4 / 0.54
> 900 (>1206) TIER 0 9.2 / 1.3 / 11.4 / 0.54

NOx / HC / CO / PM (g/kW-hr)
(NOx + HC) / CO / PM (g/kW-hr)
[Conversion: (g/kW-hr X 0.7457 = g/bhp-hr)]
Separate NOx and HC standards separated by a forward slash.
Combined NOx and HC standards enclosed by parentheses "( )".


Associated Power Inc., "Optimized Summary Tier Chart" 1995-2004 Calendar Years. View 2004-2017 EPA Tier Chart Here

The first of the 14 regulations that the EPA has issued since 1994 to control nonroad mobile emission sources went into effect in 1996, and the last is to go into effect in 2008.
EPA has generally taken a phased-in approach when adopting these regulations and has issued multiple tiers for certain engine categories, with a total of 20 standards promulgated
as of April 2006. To illustrate, EPA issued four tiers of land-based diesel engine emissions standards, with each tier requiring more stringent emissions reductions than the previous one.
For example, Tier 4 of the land-based standards first goes into effect in 2008 and is expected to take until 2015 to achieve its 90-percent reduction goal.

Excerpts From: Progress Report on EPA's Nonroad Mobile Source Emissions Reduction Strategies Report No. 2006-P-00039 (September 27, 2006)

DA-7000SS | DCA-10SPX | DCA-15SPX | DCA-25SSI | DCA-44SPX | DCA-45SSI | DCA-70SSJU | DCA-85SSJU | DCA-85USJ | DCA-100SSJU | DCA-125SSJU | DCA-125USJ

DCA-150SSK | DCA-150SSJU | DCA-150USJ | DCA-180SSK | DCA-220SSK | DCA-220SSVU | DCA-300SSK | DCA-300SSK2 | DCA-400SSK | DCA-500SSK | DCA-600SSK | DCA-800SSK