TK

Average monthly concentrations of heavy metals in suspended particles

Year:	2023
Region:	Prague
District:	Praha 4
Measuring programme:	ALIB0 , Praha 4-Libus
Old ISKO number:	1564
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	0.18	0.30	0.32	0.38	0.40	0.52	0.26	0.38	0.43	0.35	0.08	0.07	0.31
			N	15	14	16	15	15	15	15	15	16	16	15	15
Cr	ICP-MS	ng/m³	Xm	0.17	1.04	0.35	0.42	0.51	0.82	0.50	0.67	1.56	1.31	1.03	0.68	0.76
			N	15	14	16	15	15	15	15	15	16	16	15	15
Mn	ICP-MS	ng/m³	Xm	2.83	4.35	4.02	4.04	4.82	6.24	3.92	4.53	6.82	5.52	2.69	2.45	4.37
			N	15	14	16	15	15	15	15	15	16	16	15	15
Fe	ICP-MS	ng/m³	Xm	126.21	327.43	232.54	205.73	241.77	268.41	165.39	240.17	393.00	312.81	163.30	123.60	233.95
			N	15	14	16	15	15	15	15	15	16	16	15	15
Ni	ICP-MS	ng/m³	Xm	0.33	0.37	0.30	0.56	0.42	0.74	0.27	0.57	0.55	0.45	0.26	0.30	0.43
			N	15	14	16	15	15	15	15	15	16	16	15	15
Cu	ICP-MS	ng/m³	Xm	4.72	5.51	4.45	4.12	4.02	4.69	3.23	5.11	8.75	5.64	4.91	3.40	4.90
			N	15	14	16	15	15	15	15	15	16	16	15	15
Zn	ICP-MS	ng/m³	Xm	12.01	14.43	11.49	12.45	13.14	10.65	6.96	9.09	14.62	14.94	10.33	13.37	11.99
			N	15	14	16	15	15	15	15	15	16	16	15	15
As	ICP-MS	ng/m³	Xm	1.83	2.13	1.36	0.94	0.55	0.41	0.21	0.56	0.56	0.67	0.56	0.98	0.89
			N	15	14	16	15	15	15	15	15	16	16	15	15
Se	ICP-MS	ng/m³	Xm	0.34	0.47	0.35	0.48	0.65	0.70	0.43	0.51	0.51	0.40	0.19	0.24	0.44
			N	15	14	16	15	15	15	15	15	16	16	15	15
Cd	ICP-MS	ng/m³	Xm	0.10	0.12	0.13	0.11	0.55	1.38	0.05	0.04	0.09	0.11	0.08	0.11	0.24
			N	15	14	16	15	15	15	15	15	16	16	15	15
Pb	ICP-MS	ng/m³	Xm	3.12	3.03	2.40	3.13	3.17	2.74	1.88	1.75	3.46	3.41	1.84	2.24	2.69
			N	15	14	16	15	15	15	15	15	16	16	15	15