Table 1 to Paragraph (a) of § 1065.720 -Test Fuel Specifications for Liquefied Petroleum Gas
Property | Value | Reference procedurea |
Propane, C3H8 | Minimum, 0.85 m3/m3 | ASTM D2163. |
Vapor pressure at 38 °C | Maximum, 1400 kPa | ASTM D1267 or ASTM D2598b. |
Butanes | Maximum, 0.05 m3/m3 | ASTM D2163. |
Butenes | Maximum, 0.02 m3/m3 | ASTM D2163. |
Pentenes and heavier | Maximum, 0.005 m3/m3 | ASTM D2163. |
Propene | Maximum, 0.1 m3/m3 | ASTM D2163. |
Residual matter (residue on evaporation of 100 ml oil stain observation) | Maximum, 0.05 ml passc | ASTM D2158. |
Corrosion, copper strip | Maximum, No. 1 | ASTM D1838. |
Sulfur | Maximum, 80 mg/kg | ASTM D6667. |
Moisture content | pass | ASTM D2713. |
a Incorporated by reference; see § 1065.1010 . See § 1065.701(d) for other allowed procedures.
b If these two test methods yield different results, use the results from ASTM D1267.
c The test fuel must not yield a persistent oil ring when you add 0.3 ml of solvent residue mixture to a filter paper in 0.1 ml increments and examine it in daylight after two minutes.
40 C.F.R. §1065.720