International Organization for Standardization (ISO)
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ISO 91-1:1992
Scope
Refers to the tables published by the American Petroleum Institute (API, USA), the American Society for Testing and Materials (ASTM, USA) and the Institute of Petroleum (IP, UK) and subsidiary documents, correcting the printing errors in these publications. Standard reference temperature is 15 鳦.
ISO 91-1:1992 history
1992ISO 91-1:1992 Petroleum measurement tables; part 1: tables based on reference temperatures of 15 °C and 60 °F
1982ISO 91-1:1982 Petroleum measurement tables — Part 1: Tables based on reference temperatures of 15 degrees C and 60 degrees F