[Code of Federal Regulations]

[Title 40, Volume 16]

[Revised as of July 1, 2006]

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

[CITE: 40CFR80.66]



[Page 672-673]

 

                   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.  80.66  Calculation of reformulated gasoline properties.



    (a) All volume measurements required by these regulations shall be 

temperature adjusted to 60 degrees Fahrenheit.

    (b) The percentage of oxygen by weight contained in a gasoline 

blend, based upon its percentage oxygenate by volume and density, shall 

exclude denaturants and water.

    (c) The properties of reformulated gasoline consist of per-gallon 

values separately and individually determined on a batch-by-batch basis 

using the methodologies specified in Sec.  80.46 for each of those 

physical and chemical parameters necessary to determine compliance with 

the standards to which the gasoline is subject, and per-gallon values 

for the VOC, NOX, and toxics emissions performance standards 

to which the gasoline is subject.

    (d) Per-gallon oxygen content shall be determined based upon the 

weight percent oxygen of a representative sample of gasoline, using the 

method set forth in Sec.  80.46(g). The total oxygen content associated 

with a batch of gasoline (in percent-gallons) is calculated by 

multiplying the weight percent oxygen content times the volume.

    (e) Per-gallon benzene content shall be determined based upon the 

volume percent benzene of a representative sample of a batch of gasoline 

by the method set forth in Sec.  80.46(e). The total benzene content 

associated with a batch of gasoline (in percent-gallons) is calculated 

by multiplying the volume percent benzene content times the volume.

    (f) Per-gallon RVP shall be determined based upon the measurement of 

RVP of a representative sample of a batch of gasoline by the sampling 

methodologies specified in appendix D of this part and the testing 

methodology specified in appendix E of this part. The total RVP value 

associated with a batch of gasoline (in RVP-gallons) is calculated by 

multiplying the RVP times the volume.

    (g)(1) Per gallon values for VOC and NOX emissions 

reduction shall be calculated using the methodology specified in Sec.  

80.45 that is appropriate for the gasoline.

    (2) Per-gallon values for toxic emissions performance reduction 

shall be established using:

    (i) For gasoline subject to the simple model, the methodology under 

Sec.  80.42 that is appropriate for the gasoline; and

    (ii) For gasoline subject to the complex model, the methodology 

specified



[[Page 673]]



in Sec.  80.45 that is appropriate for the gasoline.

    (3) The total VOC, NOX, and toxic emissions performance 

reduction values associated with a batch of gasoline (in percent 

reduction-gallons) is calculated by multiplying the per-gallon percent 

emissions performance reduction times the volume of the batch.



[59 FR 7813, Feb. 16, 1994, as amended at 59 FR 36963, July 20, 1994]