Guide for Gas Transmission, Distribution, and Gathering Piping Systems, 2015 Edition (ANSI Z380.1-2015). Includes Addendum 1 (2015), 2 (2015), 3 (2016), 4 (2016), 5 (2016), 6 (2017), 7 (2017), 8 (2017), and 9 (2018)
standard by American Gas Association, 2015

Book by American Gas Association, 04/01/2013

AGA Report No. 11, Measurement of Natural Gas by Coriolis Meter
Report / Survey by American Gas Association, 01/01/2003

2005 Handbook of Publicly Traded AGA Member Companies
Handbook / Manual / Guide by American Gas Association, 01/01/2005

Fundamentals of Customer Service – Combined Manual and Workbook
Training Material by American Gas Association, 01/01/1997

Book by American Gas Association, 04/01/2017

2012 Gas Facts, A Statistical Record of the Gas Industry
Report / Survey by American Gas Association, 03/01/2012

Residential Natural Gas Market Survey, 2005 Data
Report / Survey by American Gas Association, 02/01/2007

Residential Natural Gas Market Survey, 2007 Data
Report / Survey by American Gas Association, 03/01/2009

Gas Facts 2006, A Statistical Record of the Gas Industry, 2005 Data
Report / Survey by American Gas Association, 02/01/2007