2022年天然气输送、分配和收集管道系统指南包含联邦法规和指南更新。更新后的指南包含美国运输部管道安全规范第49篇第191部分和第192部分，以及由美国国家标准协会（ANSI）认可的气体管道技术委员会编制的指南材料。将来的补遗将从GPTC网站www.aga上免费下载。org/gptc。

2022 Guide for Gas Transmission, Distribution and Gathering Piping Systems contains federal regulation and guidance updates. The updated guide contains U.S. DOT Pipeline Safety Code Title 49-Part 191 and Part 192, plus guide material prepared by the Gas Piping Technology Committee Accredited by the American National Standards Institute (ANSI). Future addenda will be available for free downloading from the GPTC webpage at www.aga.org/gptc.