Please see this link for the current ANSI 308.1 Workplace First Aid requirements and FAQ.
To ensure workplace first aid practices are maintained, ANSI (The American National Standard Institute) has revised the ANSI 2009 standard regarding the minimum performance requirements for first aid kits and their supplies to the new Z308.1-2015. MFASCO Health & Safety has reviewed the new standard and offers ANSI compliant first aid kits for all types of workplace environments.