TLV of ozone (O3) and phosgene (COCl2) in air is _______________ ppm?
Found an error? Read our corrections policy and submit a sourced correction below. You can also share a useful explanation in your own words.
B. 25
C. 1000
D. 100
Found an error? Read our corrections policy and submit a sourced correction below. You can also share a useful explanation in your own words.