What are Administrative Controls? - Definition from Safeopedia What Does Administrative Controls Mean? Administrative controls are a type of hazard control. They are used to improve safety within the workplace by putting in place policies …

https://www.onosokki.co.jp/HP-WK/c_support/newreport/noise/souon_2.htm 騒音レベル（A 特性音圧レベル）の単位は、分かりやすく表記するため、dBA または dB（A）が多用されてきました