ASTM-F1000, ADOPTION NOTICE (15 AUG 1993)., ASTM-F1000, "STANDARD PRACTICE FOR PIPING SYSTEM DRAWING SYMBOLS", was adopted on 15-AUG-93 for use by the Department of Defense (DoD). Proposed changes by DoD activities must be submitted to the DoD Adopting Activity: Commander, Naval Sea Systems Command, SEA 03R42, 2531 Jefferson Davis Highway, Arlington, VA 22242-5160.