DM NO. 684, S. 2024. REITERATION ON THE CONDUCT OF THE 2ND QUARTER NATIONWIDE SIMULTANEOUS EARTHQUAKE DRILL (NSED) Posted on June 24, 2024 by DepEd Mandaluyong Leave a comment DM NO. 684, S. 2024. REITERATION ON THE CONDUCT OF THE 2ND QUARTER NATIONWIDE SIMULTANEOUS EARTHQUAKE DRILL (NSED) Memorandum Numbered