TK

Average monthly concentrations of heavy metals in suspended particles

Year:	2021
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	0.49	0.47	0.47	0.26	0.55	0.30	0.25	0.49	0.42	0.26	0.28	0.36
			N	15	14	16	15	15	15	16	13	13	16	15	15
Cr	ICP-MS	ng/m³	Xm	0.74	1.32	1.14	0.78	0.28	1.07	0.28	0.52	1.64	1.39	0.75	0.32	0.83
			N	15	14	16	15	15	15	16	13	13	16	15	15
Mn	ICP-MS	ng/m³	Xm	2.30	5.73	4.48	4.30	2.33	5.82	3.02	3.05	5.64	5.38	3.89	2.78	4.02
			N	15	14	16	15	15	15	16	13	13	16	15	15
Fe	ICP-MS	ng/m³	Xm	104.66	301.50	230.08	225.77	121.50	319.93	170.05	167.33	333.62	312.87	223.50	146.24	219.65
			N	15	14	16	15	15	15	16	13	13	16	15	15
Ni	ICP-MS	ng/m³	Xm	0.24	0.52	0.50	0.40	0.24	0.44	0.30	0.23	0.56	0.45		0.37	0.38
			N	15	14	16	15	15	15	16	13	13	16	5	15
Cu	ICP-MS	ng/m³	Xm	3.81	6.07	4.38	4.04	2.40	5.82	3.94	4.63	7.76	8.30	5.71	2.91	4.81
			N	15	14	16	15	15	15	16	13	13	16	15	15
Zn	ICP-MS	ng/m³	Xm	14.77	31.46	17.26	12.74	7.09	12.05	7.52	5.78	10.53	17.07	17.02	13.78	13.88
			N	15	14	16	15	15	15	16	13	13	16	15	15
As	ICP-MS	ng/m³	Xm	1.17	1.95	0.89	0.53	0.23	0.41	0.31	0.16	0.42	0.73	0.98	1.21	0.75
			N	15	14	16	15	15	15	16	13	13	16	15	15
Se	ICP-MS	ng/m³	Xm	0.25	0.49	0.33	0.37	0.23	0.52	0.24	0.18	0.37	0.38	0.40	0.31	0.34
			N	15	14	16	15	15	15	16	13	13	16	15	15
Cd	ICP-MS	ng/m³	Xm	0.14	0.26	0.12	0.11	0.04	0.06	0.05	0.04	0.08	0.17	0.13	0.11	0.11
			N	15	14	16	15	15	15	16	13	13	16	15	15
Pb	ICP-MS	ng/m³	Xm	2.58	7.24	4.33	3.32	1.38	2.55	1.42	1.29	3.53	5.72	4.44	3.49	3.43
			N	15	14	16	15	15	15	16	13	13	16	15	15