[Code of Federal Regulations]

[Title 40, Volume 31]

[Revised as of July 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 40CFR1039.105]



[Page 493]

 

                   TITLE 40--PROTECTION OF ENVIRONMENT

 

         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)

 

PART 1039_CONTROL OF EMISSIONS FROM NEW AND IN-USE NONROAD 

COMPRESSION-IGNITION ENGINES--Table of Contents

 

          Subpart B_Emission Standards and Related Requirements

 

Sec.  1039.105  What smoke standards must my engines meet?



    (a) The smoke standards in this section apply to all engines subject 

to emission standards under this part, except for the following engines:

    (1) Single-cylinder engines.

    (2) Constant-speed engines.

    (3) Engines certified to a PM emission standard or FEL of 0.07 g/kW-

hr or lower.

    (b) Measure smoke as specified in Sec.  1039.501(c). Smoke from your 

engines may not exceed the following standards:

    (1) 20 percent during the acceleration mode.

    (2) 15 percent during the lugging mode.

    (3) 50 percent during the peaks in either the acceleration or 

lugging modes.