Valsts valodas centra izstrādātie vides zinātņu, zemes zinātņu un fiziskās ģeogrāfijas termini

Konteksts: [..] The limit value is stated as the eight-hour time-weighted average concentration of exposure of a substance in gaseous, vaporous or suspended form in the air at the workplace [..]
Avots: Council Directive 88/642/EEC of 16 December 1988 amending Directive 80/1107/EEC on the protection of workers from the risks related to exposure to chemical, physical and biological agents at work