For these two questions, kindly provide the references to your answers.
1. OSHA revised the HAZCOM 2012 such that it is aligned with the United Nations Global Harmonization Standard (GHS). Explain why that alignment is important to an employer located in the United States. Use at least one peer reviewed reference to support your conclusions.
2. OSHA revised the HAZCOM 2012 definitions of flammable and combustible liquids to conform to the GHS. Define the four categories that are used to describe flammable and combustible liquids. Based on these criteria, what category is kerosene assigned? Defend your answer.