API STD 6FA-2018 Standard for Fire Test for Valves (FOURTH EDITION; ERTA 1_ JULY 2018; ERTA 2_ AUGUS API TR 17TR8-2018 High-pressure High-temperature Design Guidelines (SECOND EDITION; ERTA 1_ March 20 API TR 980-2018 Monolithic Refractories_ Installation and Dryout (FIRST EDITION) API SPEC 5L-2018 Line Pipe (FORTY-SIXTH EDITION; ERTA 1_ MAY 2018; Effective November 1, 2018) API TR 979-2018 Applications of Refractory Lining Materials (FIRST EDITION) API TR 13TR3-2018 Size Measurement of Dry, Granular Drilling Fluid Particulates (FIRST EDITION) API TR 5C3-2018 Calculating Performance Properties of Pipe Used as Casing or Tubing (SEVENTH EDITION API SPEC 19OH-2018 Openhole Isolation Equipment (First Edition)