In accordance with Chapter 2310 of the Code, the department
adopts the currently published edition of each of the following nationally
recognized minimum standards for the purpose of administering and
enforcing this chapter:
(1) Legal standards for weights and measures. NIST
Handbook 44, "Specifications, Tolerances, and Other Technical Requirements
for Weighing and Measuring Devices."
(2) Motor fuel quality testing standards.
(A) NIST Handbook 130, "Uniform Laws and Regulations
in the Areas of Legal Metrology and Fuel Quality," relating to "Uniform
Fuels and Automotive Lubricants Regulations," as standard specifications
for ethanol blends with the following modifications:
(i) vapor pressure tolerance not exceeding one pound
per square inch for motor fuels blended with up to 15 volume percent
ethanol, excluding the time period from May 1 through October 1 for
counties required to have low emissions fuels;
(ii) vapor pressure seasonal specifications may be
extended for a maximum period of 15 days to allow for the disbursement
of old stocks. However, new stocks of a higher volatility classification
must not be offered for retail sale prior to the effective date of
the higher volatility classification; and
(iii) the vapor/liquid ratio specification must be
waived for motor fuels blended with ethanol.
(B) ASTM D4814, "Standard Specification for Automotive
Spark-Ignition Engine Fuel," as the standard specifications for gasoline
with the following modification, vapor pressure and vapor/liquid ratio
seasonal specifications may be extended for a maximum period of 15
days to allow for the disbursement of old stocks. However, new stocks
of a higher volatility classification must not be offered for retail
sale prior to the effective date of the higher volatility classification.
(C) ASTM D975, "Standard Specification for Diesel Fuel,"
as the standard specifications for diesel motor fuels and renewable
diesel fuels;
(D) ASTM D5798, "Standard Specification for Ethanol
Fuel Blends for Flexible-Fuel Automotive Spark-Ignition Engines,"
as the standard specifications for 51 volume percent to 83 volume
percent ethanol fuel;
(E) ASTM D6751, "Standard Specification for Biodiesel
Fuel Blend Stock (B100) for Middle Distillate Fuels;"
(F) ASTM D7467, "Standard Specification for Diesel
Fuel Oil, Biodiesel Blend (B6 to B20);" and
(G) ASTM D7794, "Standard Practice for Blending Mid-Level
Ethanol Fuel Blends for Flexible Fuel Vehicles with Automotive Spark-Ignition
Engines," as the standard specification for gasoline ethanol blends
containing 16 to 50 volume percent ethanol.
(3) Automotive Fuel Rating. The testing methods, standards
and specifications used to determine the automotive fuel rating shall
be those prescribed by the most current editions of:
(A) ASTM D2699, "Standard Test Method for Research
Octane Number of Spark-Ignition Engine Fuel;"
(B) ASTM D2700, "Standard Test Method for Motor Octane
Number of Spark-Ignition Engine Fuel;"
(C) ASTM D2885 "Standard Test Method for Determination
of Octane Number of Spark-Ignition Engine Fuels by On-Line Direct
Comparison Technique;" and
(D) ASTM D5599, "Standard Test Method for Determination
of Oxygenates in Gasoline by Gas Chromatography and Oxygen Selective
Flame Ionization Detection."
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