Occupational Safety and Health Administration. (n.d.). Eye and Face Protection. (Accessed 5/1/2019.) U.S. Department of Labor.
This standard (1910.133) details requirements and criteria for eye protection for employees working in areas where hazards such as flying particles or chemical gases or vapors may cause injury. A table that lists filter lenses by operation, electrode size, arc current, and minimum protective shade is also included.