EPA Announces Proposed Rule for the
                  Regulation of Fuel and Fuel Additives:
                  Alternative Test Method for Olefins
                  in Gasoline
                  T
        he Environmental Protection Agency (EPA) is proposing to allow
        an alternative test method for olefins in gasoline.
                  Elements of this Rulemaking
                  This rulemaking proposes to allow an additional alternative test method for olefins in
                  gasoline, known as ASTM D6550'05. Allowing this test method will provide more
                  flexibility to the regulated industry without harming clean air benefits.
                  Health and Environmental Impacts
                  There will be no adverse health or environmental impact as a result of allowing this
                  alternative test method, and the clean air benefits of EPA's gasoline motor vehicle
                  fuel programs will continue to be realized.
                  Gasoline Supply Benefits
                  This proposed rule will provide additional flexibility to the regulated community
                  by allowing an additional alternative test method for the measurement of olefins in
                  gasoline. The proposed rule solicits comments on allowing this additional alternative
                  test method.
SEPA
United States
Environmental Protection
Agency
Office of Transportation and Air Quality
                EPA-420-F-11-004
                   January 2011

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Public Participation Opportunities
We welcome your comments on this proposed rule. Comments will be accepted for 30 days
beginning when this proposal is published in the Federal Register. All comments should be
identified by Docket ID No. EPA-HQ-OAR-2008-0558 and submitted by one of the following
methods:

          Internet: www.regulations.gov
          E-mail: A-and-R-Docket@epa.gov
          Mail:
            Environmental Protection Agency
            Air and Radiation Docket and Information Center (6102T)
            1200 Pennsylvania Avenue NW
            Washington, DC 20460
          Hand Delivery:
            EPA West Building
            EPA Docket Center (Room 3340)
            1301 Constitution Avenue NW
            Washington, DC
For More Information
You can access the rule and related documents on EPA's Office of Transportation and Air Qual-
ity (OTAQ) Web site at:

          www.epa.gov/otaq/rfg_regs.htm#testing

For more information on this rule, please contact Joe Sopata at:

          U.S. Environmental Protection Agency
          Office of Transportation and Air Quality (6406J)
          1200 Pennsylvania Avenue NW
          Washington, DC 20460
          (202) 343-9034
          E-mail: sopata.joe@epa.gov

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