"The 2019 Trench Safety Stand Down is coming up on June 17-21, 2019. OSHA is supporting this event, which is sponsored by the National Utility Contractors Association (NUCA), the North American Excavation Shoring Association (NAXSA), the Trench Shoring and Shielding Association (TSSA), and the National Association of Home Builders (NAHB)."
https://vpppa.org/news/2019-trench-safety-stand-down-june-17-21?fbclid=IwAR03r22Nr5oZlpG2qNy8VOPiUZa2Xb_GHuvTxvmKctq8s0vvwW3jGr-GgTs