HSE EH40 (workplace exposure limits)
What it covers
What it means for our calculators
Where to read it
Calculators that use it
Silica dust exposure calculator
Example: Reached the legal limit. Daily exposure 0.188 mg/m³ (8-hour TWA), 188% of the WEL
Example: Reached the legal limit. Daily exposure 0.188 mg/m³ (8-hour TWA), 188% of the WEL