Average monthly concentrations of Heavy metals in Suspended particulate matter


Year: 2002
Region:Stredocesky
District:Kladno
Institution:Hygienicka sluzba
Station: 471. Kladno-Rozdelov

Pollutant Method Unit Monthly Concentrations Annual Mean
123 456 789 101112

Cr

AAS ng/m^3 2.9 2.4 3.3 4.9 2.5 6.3 3.2 6.6 3.5 2.0 3.8 1.3 3.6

Mn

AAS ng/m^3 6.9 5.6 10.9 14.7 7.0 7.1 7.9 11.6 9.8 6.7 1.8 1.0 7.6

Ni

AAS ng/m^3 3.5 4.9 3.9 6.9 1.2 1.5 2.9 1.8 1.0 1.8 1.1 1.0 2.6

As

AAS ng/m^3 4.9 1.4 2.3 2.2 1.0 0.08 0.6 1.0 1.3 1.5 2.5 2.5 1.8

Cd

AAS ng/m^3 0.03 0.03-- 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.5 0.06

Pb

AAS ng/m^3 9.5 8.1 7.5 8.5 6.5 5.1 4.9 8.6 6.9 6.0 6.8 3.2 6.8