unit
SPM | suspended particulate matter |
GRV |
gravimetry |
24 h |
ug/m^3 |
Cr | chromium |
AAS |
atomic absorption spectrometry |
14 d |
ng/m^3 |
Mn | manganese |
AAS |
atomic absorption spectrometry |
14 d |
ng/m^3 |
Ni | nickel |
AAS |
atomic absorption spectrometry |
14 d |
ng/m^3 |
Cu | copper |
AAS |
atomic absorption spectrometry |
14 d |
ng/m^3 |
Zn | zinc |
AAS |
atomic absorption spectrometry |
14 d |
ng/m^3 |
As | arsenic |
AAS |
atomic absorption spectrometry |
14 d |
ng/m^3 |
Cd | cadmium |
AAS |
atomic absorption spectrometry |
14 d |
ng/m^3 |
Pb | lead |
AAS |
atomic absorption spectrometry |
14 d |
ng/m^3 |