Std 1104, Welding of Pipelines and Related Facilities, Twentieth Edition, October 2005.
Errata/Addendum, July 2007 RP 1114, Recommended Practice for the Design of Solution-Mined Underground Storage Facilities, First Edition, June 1994
Errata, July 2007
RP 1166, Excavation Monitoring and Observation, First Edition, November 2005
Errata, December 2006
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