Occupational Safety and Health Administration (OSHA) Standard 29 CFR 1910.151 Appendix A states that first aid kits that meet American National Standards Institute (ANSI) Standard Z308.1 must be readily available. In addition, first aid and cardiopulmonary resuscitation (CPR) training is encouraged for employees. If you'd like to learn more, check out our blog post about what should be in a construction first aid kit.