The specified standard for under US Ambient air quality standards is $80 μ g^{3} .$ This is approximately equivalent to

- 1
  
  0.03 ppm
- 2
  
  0.05 ppm
- 3
  
  0.08 ppm
- 4
  
  8 ppm

Display Comments

Leave a comment

Login at first then you can submit comment. Click here to login.