ASTM D 8613 : 2025

1.1This specification covers the specifications for refined liquefied petroleum gases (LPGs) and gas mixtures intended for use in herbal extraction.

1.2This specification shall define the minimum gas concentration, allowable impurities, and contaminants that must be controlled.

1.3This specification shall define the test methods for verifying that the defined constituents are within specification.

1.4This specification shall define the specifications for the assembly of compressed gas cylinders used for storing LPGs intended for herbal extraction.

1.5This specification shall not cover raw (unrefined) liquefied petroleum gases or gas mixtures produced by gas refineries.

1.6This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.7This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.