(a) Safety shoes or safety boots shall be required to be worn in the working areas.
(b) Metatarsal guards should be required as additional protection where the danger of a crushing injury to the arch of the foot exists.
(c) Safety-toe footwear for employees shall meet the requirements and specifications of American Society for Testing and Materials (ASTM) F-2412-Current Edition "Standard Test Methods for Foot Protection," and ASTM F-2413-Current Edition, "Standard Specification for Performance Requirements for Protective Footwear".
053-4 Wyo. Code R. § 4-3