API RP 5EX-2018 Design, Verification, and Application of Solid Expandable Systems (FIRST EDITION) API RP 1115-2018 Design and Operation of Solution-mined Salt Caverns Used for Liquid Hydrocarbon Sto API STD 2610-2018 Design, Construction, Operation, Maintenance, and Inspection of Terminal and Tank API TR 979-2018 Applications of Refractory Lining Materials (FIRST EDITION) API TR 980-2018 Monolithic Refractories_ Installation and Dryout (FIRST EDITION) API SPEC 19OH-2018 Openhole Isolation Equipment (First Edition) API SPEC 6A-2018 Specification for Wellhead and Tree Equipment (TWENTY-FIRST EDITION; API Monogram p API TR 13TR3-2018 Size Measurement of Dry, Granular Drilling Fluid Particulates (FIRST EDITION)