On 14 December 2022, the Switzerland Workplace exposure limit values were updated. The following substances received new VME limit values:

1. Peracetic acid

2. 2-Butanethiol

3. 2-Methyl-2-propanethiol

4. 2-Ethylhexyl oleate

5. N-phenyl-1-naphthylamine

6. 2,2ʹ-Thiobis(4-methyl-6-tertbutylphenol)

7. Triphenyl phosphorothionate

8. Triglycerides (lard oil, palm oil, rapeseed oil, soybean oil)

VME limit values for the following substances were updated:

1. Beryllium and its compounds

2. Tert-Butyl-4-Hydroxyanisole (BHA)

3. Chloromethane

4. 1,2-Dichloropropane

5. Ceramic fibers

6. Heptane (all isomers)

7. Manganese and its inorganic compounds

8. Methylhydrazine

9. Molybdenum and its insoluble compounds

10. Nickel, soluble salts

11. Resorcinol

12. 1,1,2,2-Tetrachloroethane

13. 2,4-Toluenediamine

14. Triphenylphosphate

The following substance received new VBT limit values:

1. n-Heptane

VBT limit values for the following substances were updated:

1. Acetone

2. Benzene

VBT limit values for the following substance were deleted:

1. Nickel, soluble salts