On October 15, 2004, the ANSI Board of Standard Review (BSR) approved Addendum No. 1 to the Guide for Gas Transmission and Distribution Piping Systems - 2003 Edition. Addendum No. 1 contains 286 pages and is formatted to enable direct replacement of pages in your copy of the 2003 edition (when printed double sided). The addendum includes all revised federal regulations and new guide material developed since the November 1, 2003, publication of 2003 edition. To download your copy, go to Addendum No. 1 below under "Related Files."
Purchasers of the 2003 edition will automatically receive a paper copy of
Addendum No. 1. Click here to purchase your copy of the 2003 Guide.