[Code of Federal Regulations]

[Title 40, Volume 20]

[Revised as of July 1, 2006]

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

[CITE: 40CFR89.119]



[Page 61-62]

 

                   TITLE 40--PROTECTION OF ENVIRONMENT

 

         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)

 

PART 89_CONTROL OF EMISSIONS FROM NEW AND IN-USE NONROAD 

COMPRESSION-IGNITION ENGINES--Table of Contents

 

        Subpart B_Emission Standards and Certification Provisions

 

Sec.  89.119  Emission tests.



    (a) Manufacturer testing. (1) Upon completion of service 

accumulation, the manufacturer must test each test engine using the 

specified test procedures, except as provided in Sec.  89.114. The 

procedures to be used are set forth in:

    (i) Subpart E of this part;

    (ii) The California Regulations for New 1996 and Later Heavy-Duty 

Off-Road Diesel Cycle Engines. This procedure has been incorporated by 

reference. See Sec.  89.6; and

    (iii) Part 86, subpart I of this chapter.

    (2) Each test engine must be configured to be representative of 

actual in-use operation. The Administrator may specify the adjustment of 

any adjustable parameter. All test results must be reported to the 

Administrator.

    (b) Confirmatory testing. The Administrator may conduct confirmatory 

testing or other testing on any test engine. The manufacturer must 

deliver test engines as directed by the Administrator. When the 

Administrator conducts confirmatory testing or other testing, those test 

results are used to determine compliance with emission standards.

    (c) Use of carryover test data. In lieu of testing to certify an 

engine family for a given model year, the manufacturer may submit, with 

the Administrator's approval, emission test data used to certify that 

engine family in previous years. This ``carryover'' data is only 

allowable if the submitted test data show that the test engine would 

comply with the emission standard(s) for the model year for which 

certification is being sought.

    (d) The provisions of this paragraph (d) apply only to Tier 1 

nonroad engines without exhaust aftertreatment rated at or above 37 kW.

    (1) Particulate emission measurements from Tier 1 nonroad engines 

without exhaust aftertreatment rated at or above 37 kW may be adjusted 

to a sulfur content of 0.05 weight percent.

    (2) Adjustments to the particulate measurement shall be made using 

the following equation:



PMadj=PM-[BSFC x 0.0917 x (FSF-0.0005)]



Where:



PMadj=adjusted measured PM level [g/Kw-hr].

PM=measured weighted PM level [g/Kw-hr].

BSFC=measured brake specific fuel consumption [G/Kw-hr].

FSF=fuel sulfur weight fraction.



    (3) Where a manufacturer certifies using test fuel with a sulfur 

content less than or equal to 0.050 weight percent, EPA shall not use 

emission data collected using test fuel with a sulfur content greater 

than 0.050 weight percent to determine compliance with the Tier 1 PM 

standards.



[[Page 62]]



    (4) Where a manufacturer certifies using test fuel with a sulfur 

content greater than 0.050 weight percent, EPA shall not use emission 

data collected using test fuel with a sulfur content greater than 0.050 

weight percent to determine compliance with the Tier 1 PM standards, 

unless EPA adjusts the PM measurement using the equation specified in 

paragraph (d)(2) of this section.



[59 FR 31335, June 17, 1994. Redesignated and amended at 63 FR 56995, 

57004, Oct. 23, 1998]