LWSC Free Certificate Classes FREE COVID-19 Certificate Training in English, Spanish, Polish, Arabic, Chinese, and other languages are available using interpreters. https://lwsc.org/classes/covid-19-workplace-essential-and-returning-workers Chemical Hazards/Hazard Communication - GHS https://lwsc.org/classes/free-osha-funded-hazard-communication-training-chemical-safety Excavation Hazard Awareness https://lwsc.org/classes/free-osha-funded-excavation-hazard-awareness-training Respiratory Protection https://lwsc.org/classes/free-osha-funded-respiratory-protection-training Silica Hazard Awareness https://lwsc.org/classes/free-osha-funded-silica-hazard-awareness