OSHA 29 CFR 1910.151 requires adequate first aid supplies in every workplace without a nearby medical facility. ANSI/ISEA Z308.1-2021 defines Class A and Class B kit contents.
NIOSH vs. OSHA Explained (2026 Guide): NIOSH (National Institute for Occupational Safety and Health) is a research and certification agency within the CDC that approves PPE and sets recommended exposure limits.