A.ppm B.mg/L C.mg/m3 D.g/L E.g/m3
A.0.10mg/m3 B.0.5mg/m3 C.1mg/m3 D.0.15mg/m3 E.0.03mg/m3
A.10mg/m3 B.5mg/m3 C.6mg/m3 D.5mg/m3 E.5mg/m3