[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: 40CFR1039.501]



[Page 508-509]

 

                   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 F_Test Procedures

 

Sec.  1039.501  How do I run a valid emission test?





    (a) Use the equipment and procedures for compression-ignition 

engines in 40 CFR part 1065 to determine whether engines meet the duty-

cycle emission standards in Sec.  1039.101(a) and (b). Measure the 

emissions of all the pollutants we regulate in Sec.  1039.101 as 

specified in 40 CFR part 1065. Use the applicable duty cycles specified 

in Sec. Sec.  1039.505 and 1039.510.

    (b) Section 1039.515 describes the supplemental procedures for 

evaluating whether engines meet the not-to-exceed emission standards in 

Sec.  1039.101(e).

    (c) Measure smoke using the procedures in 40 CFR part 86, subpart I, 

for evaluating whether engines meet the smoke standards in Sec.  

1039.105, except that you may test two-cylinder engines with an exhaust 

muffler like those installed on in-use engines.

    (d) Use the fuels specified in Sec.  1039.104(e) and 40 CFR part 

1065 to perform valid tests.

    (1) For service accumulation, use the test fuel or any commercially 

available fuel that is representative of the fuel that in-use engines 

will use.

    (2) For diesel-fueled engines, use the appropriate diesel fuel 

specified in 40 CFR part 1065 for emission testing. Unless we specify 

otherwise, the appropriate diesel test fuel is the ultra low-sulfur 

diesel fuel. If we allow you to use a test fuel with higher sulfur 

levels, identify the test fuel in your application for certification and 

ensure that the emission control information label is consistent with 

your selection of the test fuel (see Sec.  1039.135(c)(9)). For example, 

do not test with ultra low-sulfur diesel fuel if you intend to label 

your engines to allow use of diesel fuel with sulfur concentrations up 

to 500 ppm.



[[Page 509]]



    (e) You may use special or alternate procedures to the extent we 

allow them under 40 CFR 1065.10.

    (f) This subpart is addressed to you as a manufacturer, but it 

applies equally to anyone who does testing for you, and to us when we 

perform testing to determine if your engines meet emission standards.



[69 FR 39213, June 29, 2004, as amended at 70 FR 40463, July 13, 2005]