Liquid means a material, other than an elevated temperature material, with a melting point or initial melting point of 20 C (68 F) or lower at a standard pressure of 101.3 kPa (14.7 psia). A viscous material for which a specific melting point cannot be determined must be subjected to the procedures specified in ASTM D 4359 Standard Test Method for Determining Whether a Material is Liquid or Solid (IBR, see 171.7).


49 CFR § 171.8

Scoping language

In this subchapter,

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