Average monthly concentrations of Heavy metals in Suspended particulate matter


Year: 1999
Region:Stredocesky
District:Kladno
Institution:Hygienicka sluzba
Station: 473. Kladno-Krocehlavy

Pollutant Method Unit Monthly Concentrations Annual Mean
123456789101112

Cr

AAS ng/m^3 8.0 22.5 4.5 6.4 3.0 3.7 13.0 2.0 5.1 3.5 3.4 18.3 7.7

Ni

AAS ng/m^3 16.0 11.0 21.3 8.4 5.7 5.2 11.0 7.3 17.0 21.3 10.4 17.5 12.7

Zn

AAS ng/m^3 172.5 339.0 81.2 104.1 65.6 77.5 127.2 109.0 135.5 112.7 105.3 189.9 133.3

As

AAS ng/m^3 1.0 1.5 1.0 1.0 0.3 0.5 0.01 0.08 0.9 0.9 2.6 2.3 1.0

Cd

AAS ng/m^3 0.03 0.03 0.03 0.03 0.03 0.5 0.03 0.03 0.5 0.2 0.5 0.2 0.2

Pb

AAS ng/m^3 14.0 25.5 12.0 9.5 7.4 9.7 9.2 7.5 22.4 19.9 27.1 21.4 15.4