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§ 1065.720 Liquefied petroleum gas.
(a) Except as specified in paragraph (b) of this section, liquefied petroleum gas for testing must meet the specifications in the following table:
Table 1 to Paragraph (a) of § 1065.720—Test Fuel Specifications for Liquefied Petroleum Gas
Property | Value | Reference procedure a |
---|---|---|
Propane, C3H8 | Minimum, 0.85 m 3/m 3 | ASTM D2163. |
Vapor pressure at 38 °C | Maximum, 1400 kPa | ASTM D1267 or ASTM D2598 b. |
Butanes | Maximum, 0.05 m 3/m 3 | ASTM D2163. |
Butenes | Maximum, 0.02 m 3/m 3 | ASTM D2163. |
Pentenes and heavier | Maximum, 0.005 m 3/m 3 | ASTM D2163. |
Propene | Maximum, 0.1 m 3/m 3 | ASTM D2163. |
Residual matter (residue on evaporation of 100 ml oil stain observation) | Maximum, 0.05 ml pass c | ASTM D2158. |
Corrosion, copper strip | Maximum, No. 1 | ASTM D1838. |
Sulfur | Maximum, 80 mg/kg | ASTM D6667. |
Moisture content | pass | ASTM D2713. |