This document provides data on OSHA federal standards violations from October 1, 2017 to September 30, 2018. It lists the most frequently cited serious violations by code of federal regulation number, with the top violations involving hazard communication programs, machine guarding, medical and first aid facilities, and powered industrial truck operator training. The violations are organized by topic such as walking-working surfaces, means of egress, welding safety, and electrical safety. The most frequently cited standards are for general industry and cover issues such as chemical exposure, fall protection, fire protection and commercial diving operations.