If the process can be remotely controlled / automated in a sealed area, that would be the best solution. Your chance of getting in contact with the harmful chemical on a regular basis is much lower. — Yonny Yeung
Same with workers cutting into concrete Yonny, what sort of price are you paying for a 3M positive air respirator?On a side note, Worksafe mentioned bitumen and asphalt are class 1 (known) carcinogens. Can you imagine one day we are going to see asphalt workers working with a full face positive air respirator on the road? — Yonny Yeung
If you are interested in workplace health & safety in New Zealand, then this is the discussion forum for you.