OSHA standards-occupational safety and health standards, OSHA in the United States, OSHA objectives, OSHA's role in the United States, top ten safety system innovations, OSHA standards-occupational safety and health standards, the most representative of which is OSHA standards issued by OSHA. American OSHA standard is an occupational safety and health standard implemented within the jurisdiction of the United States. Its rich safety and health culture content, rigorous safety management concept and scientific and economic safety management method are not only highly recognized by all industries in American society, but also widely respected internationally, especially in the field of international engineering construction. On February 29th, OSHA 1970 1970 "National Security and Health Act of the United States" was signed by then US President Richard Nixon and promulgated and implemented. At the same time, according to the Act, Occupational Safety and Health Administration (OSHA) and Institute of Occupational Safety and Health (NIOSH) were born. The former belongs to the US Department of Labor and the latter belongs to the US Department of Health and Human Services. Headquarters: its mission is to prevent work-related injuries by issuing and implementing workplace safety and health standards. Illinois, Washington and Oxford University Press theoretical fatalism. It aims to prevent and reduce diseases, injuries and deaths caused by work by issuing and implementing workplace safety and health standards. Responsible for providing employees with a safe and healthy workplace. Responsible for "providing a safe and hygienic working environment for employees" (mainly referring to guidance responsibility and supervision responsibility). The role of OSHA in the United States (1) ensures the safety and health of American workers by formulating and implementing standards; Formulate and implement industry safety standards 2) provide training, promotion and education; Provide safety training, outreach training and other education 3) Establish partnerships; Cooperation mechanism with enterprises and individuals 4) and participate in the continuous process improvement of workplace safety and health. Encourage continuous improvement of safety and health conditions in the workplace. The top ten safety system innovations here are some changes in industrial safety laws and regulations brought by OSHA, and the top ten system innovations that affect occupational safety and health in the world: 1) protection of all moving parts 2) allowable exposure limit (PEL) allowable exposure limit 3) personal protective equipment (PPE). Personal safety protection articles 4) Lock, tag and lock system 5) Work in confined space 6) Hazard communication and information exchange 7) Process safety management 8) Blood-borne pathogens 9) Hiking A. Ditches, foundation pits and passages 10) Exposure to asbestos.