TK

Average monthly concentrations of heavy metals in suspended particles

Year:	2011
Region:	Prague
District:	Praha 1
Measuring programme:	AMUZ0, Pha1-Narodni muzeum
Old ISKO number:	1665
Organization:	ZU Praha

Matter	Method	Unit		Monthly concentrations												Annual Average
				1	2	3	4	5	6	7	8	9	10	11	12
Cr	AAS	ng/m3	Xm	4.2	2.8	2.2	1.9	2.0	1.4	0.7	1.7	2.0	1.9	1.3	0.6	1.9
			N	29	28	27	30	31	20	31	31	25	31	30	31
Mn	AAS	ng/m3	Xm	6.3	8.2	9.0	7.1	6.8	5.3	5.9	9.1	7.5	7.7	8.8	4.9	7.2
			N	29	28	27	30	31	20	31	31	25	31	30	31
Ni	AAS	ng/m3	Xm	1.5	3.3	1.0	0.7	1.2	3.4	1.7	1.3	0.3	0.9	1.2	0.3	1.4
			N	29	28	27	30	31	20	31	31	25	31	30	31
As	AAS	ng/m3	Xm	3.6	4.5	3.7	1.4	0.8	0.5	0.8	1.0	0.6	1.7	3.7	1.4	2.0
			N	29	28	27	30	31	20	31	31	25	31	30	31
Cd	AAS	ng/m3	Xm	0.4	0.7	0.6	0.5	0.4	0.2	0.1	0.3	0.2	0.8	1.6	0.4	0.5
			N	29	28	27	30	31	20	31	31	25	31	30	31
Pb	AAS	ng/m3	Xm	11.8	20.2	21.0	11.5	8.7	4.6	5.8	7.2	9.3	12.1	18.7	5.9	11.3
			N	29	28	27	30	31	20	31	31	25	31	30	31