Service in an H2S-free (sweet) fluid.
Source: API RP 17A Addendum 1, Design and Operation of Subsea Production Systems—General Requirements and Recommendations, December 2010. Global Standards
Service conditions at the design pressure which have a H2S content less than that specified by ISO 15156 (all parts).
Source: API SPEC 17J, Specification for Unbonded Flexible Pipe, Third Edition, July 2008. Global Standards