ASTM D4814 PDF

Gasoline and Gasoline-Oxygenate Blends (as defined in this regulation). – Shall meet the most recent version of ASTM D “Standard. D –ASTM Gasoline Standard. ○ Covers gasoline and its blends with oxygenates for spark-ignition engines. – vol% ethanol (US. Buy ASTM D Standard Specification for Automotive Spark-Ignition Engine Fuel from SAI Global.

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For the period May 1 through Sept. Note 2—Many of the values shown in Table 1 were originally developed using U. All users of this specification, therefore, should refer to the latest edition. Gasolines meeting these limits are not suitable for blending with ethanol. This specification does not apply to fuels that contain an oxygenate as the primary component, such as Fuel Methanol M As a result, conversion of the SI values will sometimes differ slightly from the U.

Test Method D provides a procedure for determining oxygenate concentration in mass percent.

In some cases, U. In many countries, regulatory authorities having jurisdiction have set laws and regulations that limit the concentration of oxygenates and certain other compounds found in spark-ignition engine fuel. For a specification limit expressed as an integer, a trailing zero is significant only if the decimal point is specified.

Contact the EPA for the latest versions of r4814 rules and additional requirements. For a specification limit expressed as an integer, a trailing zero is significant only if the decimal point is specified.

Standard – Standard Specification for Automotive Spark-Ignition Engine Fuel ASTM D –

The specification is under continuous review, which can result in revisions based on changes in fuel, automotive requirements, or test methods, or a combination thereof. Many of the values shown in Table 1 were originally developed using U. For a specified limit expressed as an integer, and the right-most digit is non-zero, the right-most digit is significant without a decimal point being specified. This abstract is a brief summary of the referenced standard.

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H 2 All users of this specification, therefore, should refer to the latest edition. The spark-ignition engine fuels covered here are gasoline and its blends with oxygenates, such as alcohols and ethers, and not fuels that contain an oxygenate as the primary component, such as fuel methanol M With regard to fuel properties, including volatility, this specification can be more or less restrictive than the EPA rules, regulations, and waivers.

Historical Version s – view previous d4841 of standard. For a specified limit expressed as an integer, and the right-most digit is non-zero, the right-most digit is significant without a decimal point being specified.

Work Item s – proposed revisions of this standard. Contact the EPA for the latest versions of the rules and additional requirements.

ASTM D – 11b Standard Specification for Automotive Spark-Ignition Engine Fuel

The concentrations and types of oxygenates are not specifically limited in this specification. The composition of both unleaded and leaded fuel is limited by economic, legal, and ast consideration, but their properties, including volatility, are defined by this specification. The specification is under continuous review, which can result in revisions based on changes in d414, automotive requirements, or test methods, or a combination thereof.

This standard does not purport to address all of the safety concerns, if any, associated with its use.

Standard Specification for Automotive Spark-Ignition Engine Fuel

Appendix X4 provides a procedure for calculating the mass oxygen content of a dd4814 using measured oxygenate type, oxygenate concentration in volume percent, and measured density or relative density of the fuel. Variation of the antiknock index with seasonal climatic changes and altitude is discussed in Appendix X1. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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The concentrations and types of oxygenates are not specifically limited in this specification.

This convention applies to specified limits in Tables 1, 3, and Table X8. Asrm provides for a variation of the volatility and water tolerance of automotive fuel in accordance with seasonal climatic changes at the locality where the fuel is used.

In addition, the composition of unleaded fuel is subject to the rules, regulations, and Clean Air Act waivers of the U. A0 Standards Related Products. This specification describes the various characteristics and requirements asym automotive fuels for use over a wide range of operating conditions in ground vehicles equipped with spark-ignition engines. Values given in parentheses are provided for information only.

Reformulated d48814 engine fuel is required in some areas to lower emissions from automotive vehicles, and its characteristics are described in the research report on reformulated spark-ignition s4814 fuel. This specification does not address the emission characteristics of reformulated spark-ignition engine fuel. As a result, conversion of the SI values will sometimes differ slightly from the U.

Values given in parentheses are provided for information only. In some cases, federal regulations specify non-SI units.