2 Va. Admin. Code § 5-425-20 - Vapor pressure requirements; exceptions
Current through Register Vol.. 38, No. 17, April 11, 2022
When gasoline is blended with ethanol, the ethanol shall meet the requirements of ASTM D4806-16a and the blend shall meet the requirements of ASTM D4814-16a, with following permissible exceptions:
1. For blends containing nine to 10 volume
percent ethanol, the maximum vapor pressure shall not exceed the ASTM D4814-16a
limits by more than 1.0 psi during the period of June 1 through September
15.
2. For blends containing one or
more volume percent ethanol for volatility class A, B, C, or D, the maximum
vapor pressure shall not exceed ASTM D4814-16a limits by more than 1.0 psi
during the period of September 16 through May 31.
3. For blends containing one or more volume
percent ethanol for volatility class E, the maximum vapor pressure shall not
exceed ASTM D4814-16a limits by more than 0.5 psi during the period of
September 16 through May 31.
Notes
Statutory Authority: §§ 59.1-153 and 59.1-156 of the Code of Virginia.
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