Rationale

'- Editorially update the definition for the term “apparent fracture toughness” in in Section 3.4 (definitions specific to the indicated standards, listed with the standard(s) origin) in E1823 to reflect the changes introduced in E561. - Editorially update the definition for the term “Kc” in Section 3.4 (definitions specific to the indicated standards, listed with the standard(s) origin) in E1823 to reflect the changes introduced in E561.