Tab. Sh-TK

Average monthly concentrations of Heavy metals in Suspended particulate matter

Year: 1997
Region:Hlavni mesto Praha
District:Praha 1
Institution:Hygienicka sluzba
Station:1137. PHA1-Narodni muzeum

Pollutant Method Unit Monthly Concentrations Annual Mean
123456789101112

Cr

AAS ng/m^3 - 5.5 5.3 4.5 4.9 5.2- 3.1 8.3 3.0 3.1 2.4 4.5

Ni

AAS ng/m^3 - 35.3 30.9 17.1 10.8 10.7- 24.6 3.0 3.2 4.7 9.2 15.0

Cu

AAS ng/m^3 - 57.9 58.3 55.7 46.6 45.0--- 187.8 66.5 29.1-

Zn

AAS ng/m^3 - 146.3 179.2 157.4 123.5 128.8- 116.4 153.5 143.6 225.9 180.5 155.5

As

AAS ng/m^3 - 1.8 2.2 1.5 1.0 2.0- 1.7 1.4 3.8 13.5 60.2 8.9

Cd

AAS ng/m^3 - 0.4 1.6 0.6 0.4 0.6- 0.4 0.4 0.5 0.5 0.9 0.6

Pb

AAS ng/m^3 - 59.8 47.0 44.3 29.0 33.5- 34.8 35.1 36.0 50.4 46.0 41.6

Average monthly concentrations of Heavy metals in Suspended particulate matter…