OSHA regulations that apply to refrigerant cylinder handling and transportation include 29 CFR 1910.38, which covers emergency action plans, and 29 CFR 1910.1200, which covers hazardous communication standards. Additionally, OSHA’s general duty clause, Section 5(a)(1), requires employers to provide a safe work environment, including proper training and equipment for handling refrigerant cylinders. Employers must also comply with OSHA’s recordkeeping requirements, such as maintaining records of employee training and cylinder inspections.