Průměrné měsíční koncentrace těžkých kovů v prašném aerosolu

Rok: 2000
Kraj:Hlavní město Praha
Okres:Praha 4
Organizace:ČHMÚ
Stanice:1177. Pha4-Libuš-HM

Látka Metoda Jednotka Měsíční koncentrace Roční průměr
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Na

XRF ng/m^3 451.2 335.9 366.7 137.8 90.5 102.1 83.8 114.7 106.8 127.5 170.3 306.6 196.4

Mg

XRF ng/m^3 61.4 131.6 91.2 144.0 98.9 72.8 45.0 75.7 99.0 90.6 74.9 58.4 86.9

Al

XRF ng/m^3 - 454.9 361.3 714.0 535.7 369.8 204.8 451.1 534.6 389.2 359.5- 424.3

Si

XRF ng/m^3 388.41235.41014.42130.11671.41077.4 596.61397.81539.61142.6 988.5 737.71152.0

S

XRF ng/m^3 1278.91014.11694.81585.0 989.91126.71372.31658.51732.21740.1 724.21420.81365.6

Cl

XRF ng/m^3 198.1 201.9 157.3 32.2 41.6- 23.4- 70.2 149.3 198.7 499.9 152.1

K

XRF ng/m^3 180.2 280.5 294.4 416.0 321.3 217.6 184.0 319.2 374.0 355.4 285.5 268.5 290.8

Ca

XRF ng/m^3 224.7 526.4 504.1 803.1 702.9 495.6 416.7 649.0 788.5 613.2 462.5 357.7 544.1

Ti

XRF ng/m^3 --- 79.3 70.9-- 59.9-----

Mn

XRF ng/m^3 7.8 13.3 14.7 20.0 15.9 10.7 9.6 15.1 17.8 16.5 12.2 11.9 13.9

Fe

XRF ng/m^3 239.8 542.4 563.7 796.5 626.3 470.8 324.7 613.4 714.8 606.9 506.1 377.3 529.5

Ni

XRF ng/m^3 2.3-- 2.6 1.4- 1.1 1.2- 3.1---

Cu

XRF ng/m^3 20.1 11.0 14.3 13.8 20.6 90.2 43.2 31.6 71.9 26.9 23.0 33.8 32.6

Zn

XRF ng/m^3 71.0 65.1 138.2 49.7 43.3 37.8 31.6 61.5 65.3 109.2 77.8 85.7 69.6

Se

XRF ng/m^3 ------- 2.4-----

Br

XRF ng/m^3 - 5.7 11.3 4.3 3.9 3.5 4.0 4.1 9.7 5.2-- 6.1

Cd

AAS ng/m^3 0.6 0.6 0.2 0.6 0.4 0.2 0.2 0.3 0.4 0.8 0.6 0.6 0.5

Pb

AAS ng/m^3 33.5 22.1 5.6 24.1 14.5 7.5 8.3 14.7 22.1 36.3 26.7 29.4 20.5

Pb

XRF ng/m^3 31.3 24.0 43.4 20.4 22.3 11.1 11.7 21.4 35.0 33.7 25.0 23.2 25.1