AGA F1012021

Gas Facts, A Statistical Record of the Gas Industry (2022 Edition, with 2020 Data)
Report / Survey by American Gas Association, 2022

AGA XQ2105

AGA Report No. 9 – Measurement of Gas by Multipath Ultrasonic Meters
Report / Survey by American Gas Association, 01/01/2022

AGA X62104

B109.4 Standard, Self-Operated Diaphragm-Type Natural Gas Service Regulators For Nominal Pipe Size 1-1/4 Inches (32 mm) and Small With Outlet Pressures of 2 psi (13.8 kPa) and Less (ANSI B109.4-2021)
standard by American Gas Association, 10/29/2021

AGA Z380122

Guide for Gas Transmission, Distribution, and Gathering Piping Systems, 2022 Edition (ANSI Z380.1-2022)
standard by American Gas Association, 03/01/2022