A.0.05mg/m3,0.15mg/m3,0.25mg/m3 B.0.02mg/m3,0.06mg/m3,0.10mg/m3 C.0.15mg/m3,0.50mg/m3,0.70mg/m3 D.0.06mg/m3,0.15mg/m3,0.50mg/m3
A.65 B.76 C.54 D.32
A.144;12 B.144;5 C.60;12 D.60;5