ASTM D21-40Withdrawn Standard: ASTM D21-40 Method of Sampling Coal for Analysis (Withdrawn 1947)WITHDRAWN, REPLACED BY D492 There is no PDF download available at this time, however you may purchase a copy of this document from Global Engineering Documents (Email: globalcustomerservice@ihs.com; Phone: 800-854-7179 or 303-397-7956).
| ||||||