| Subject | English | Arabic |
| acrid. | threshold limit value TLV | قيمة الحد الحرج |
| environ. | threshold value The maximum concentration of a particular substance to which a worker should be exposed in a given period of time | القيمة الحدية |
| comp., MS | threshold value | قيمة الحد (A limit against which other values can be compared. When a value crosses this limit, it can trigger an alert or other action) |
| commer. | threshold value | قيمة عتبة |