API MPMS Chapter 8.6

Refrigerated Light Hydrocarbon Fluids – Sampling of Liquefied Natural Gas – Continuous and Intermittent Methods, First Edition
Handbook / Manual / Guide by American Petroleum Institute, 05/01/2020

API 570

Piping Inspection Code: In-service Inspection, Repair, and Alteration of Piping Systems, Fourth Edition, Includes Addendum 1, Addendum 2, Errata 1
standard by American Petroleum Institute, 02/01/2016