TK

Average monthly concentrations of heavy metals in suspended particles

Year:	2017
Region:	Prague
District:	Praha 2
Measuring programme:	ARIE0, Praha 2-Riegrovy sady
Old ISKO number:	2107
Organization:	CHMI

Matter	Method	Unit		Monthly concentrations												Annual Average
				1	2	3	4	5	6	7	8	9	10	11	12
V	ICP-MS	ng/m3	Xm	0.5	0.6	0.6			0.6	0.5	0.6	0.5	0.4	0.4	0.2	0.5
			N	16	13	16	13	14	15	15	16	15	15	15	15
Cr	ICP-MS	ng/m3	Xm	3.2	1.6	1.6			0.8	1.2	1.2	1.0	1.3	1.8	1.4	1.4
			N	16	13	16	13	14	15	15	16	15	15	15	15
Mn	ICP-MS	ng/m3	Xm	7.4	6.9	7.6			6.4	4.8	6.6	7.4	5.9	6.8	3.5	6.3
			N	16	13	16	13	14	15	15	16	15	15	15	15
Fe	ICP-MS	ng/m3	Xm	397.4	401.4	484.2			391.2	291.3	425.1	453.8	370.9	420.6	237.7	386.3
			N	16	13	16	13	14	15	15	16	15	15	15	15
Ni	ICP-MS	ng/m3	Xm	0.8	0.9	0.9				0.6	0.8	0.7	0.9	1.0	0.6	0.7
			N	16	13	16	13	14	9	15	16	15	15	15	15
Cu	ICP-MS	ng/m3	Xm	14.4	9.0	9.5				5.9	8.3	9.2	8.9	10.7	5.5	8.5
			N	16	13	16	13	14	9	15	16	15	15	15	15
Zn	ICP-MS	ng/m3	Xm	50.2	53.0	31.8			9.6	9.3	10.8	14.8	13.6	24.9	12.3	21.4
			N	16	13	16	13	14	15	15	16	15	15	15	15
As	ICP-MS	ng/m3	Xm	5.1	2.9	1.2			0.3	0.3	0.4	0.6	0.7	1.8	1.1	1.3
			N	16	13	16	13	14	15	15	16	15	15	15	15
Se	ICP-MS	ng/m3	Xm	0.7	0.7	0.3			0.4	0.4	0.4	0.4	0.3	0.4	0.2	0.4
			N	16	13	16	13	14	15	15	16	15	15	15	15
Cd	ICP-MS	ng/m3	Xm	0.4	0.3	0.2			0.1	0.0	0.1	0.1	0.1	0.2	0.1	0.1
			N	16	13	16	13	14	15	15	16	15	15	15	15
Pb	ICP-MS	ng/m3	Xm	14.2	12.5	7.8			4.2	3.2	4.2	6.6	5.8	5.0	2.9	6.4
			N	16	13	16	13	14	15	15	16	15	15	15	15