[Code of Federal Regulations]
[Title 40, Volume 14]
[Revised as of July 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR80.62]

[Page 632]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 80--REGULATION OF FUELS AND FUEL ADDITIVES--Table of Contents
 
                    Subpart D--Reformulated Gasoline
 
Sec. 80.62  Vehicle test procedures to place vehicles in emitter group 
sub-fleets.

    One of the two following test procedures must be used to screen 
candidate vehicles for their exhaust THC emissions to place them within 
the emitter group sub-fleets in accordance with the requirements of 
Sec. 80.60.
    (a) Candidate vehicles may be tested for their exhaust THC emissions 
using the Federal test procedure as detailed in 40 CFR part 86, with 
gasoline conforming to requirements detailed in 40 CFR 86.113-90. The 
results shall be used in accordance with the requirements in Sec. 80.60 
to place the vehicles within their respective emitter groups.
    (b) Alternatively, candidate vehicles may be screened for their 
exhaust THC emissions with the IM240 short test procedure.\1\ The 
results from the IM240 shall be converted into results comparable with 
the standard exhaust FTP as detailed in this paragraph (b) to place the 
vehicles within their respective emitter groups in accordance with the 
requirements of Sec. 80.60.
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    \1\ EPA Technical Report EPA-AA-TSS-91-1. Copies may be obtained by 
ordering publication number PB92104405 from the National Technical 
Information Service, 5285 Port Royal Road, Springfield, Virginia 22161.
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    (1) A candidate vehicle with IM240 test results <0.367 grams THC per 
vehicle mile shall be classified as a normal emitter.
    (2) A candidate vehicle with IM240 test results [ge]0.367 grams THC 
per vehicle mile shall be classified as a higher emitter.