Scientific Reports

Table 5 The calculated data of the enrichment factor (EF) for heavy metals of soil and dust samples.

From: Sources, toxicity potential, and human health risk assessment of heavy metals-laden soil and dust of urban and suburban areas as affected by industrial and mining activities

Soil	Al	Cd	Co	Cr	Cu	Mn	Ni	Pb	Ti	Zn
Urban Riyadh
Max	1.53	4.91	0.00	0.80	0.61	1.08	1.22	5.83	0.27	5.02
Min	0.56	0.00	0.00	0.14	0.00	0.86	0.00	1.48	0.08	1.05
Average	0.70	0.57	0.00	0.44	0.07	0.98	0.35	3.79	0.20	1.90
Suburban Riyadh
Max	0.54	0.00	0.29	0.31	0.20	0.96	0.51	3.88	0.27	1.27
Min	0.50	0.00	0.00	0.16	0.00	0.92	0.43	1.64	0.18	0.59
Average	0.52	0.00	0.15	0.24	0.10	0.94	0.47	2.76	0.22	0.93
Urban Mahad AD’Dahab
Max	0.74	6.66	0.05	0.31	1.58	1.47	0.48	4.68	0.45	3.80
Min	0.60	0.00	0.00	0.19	0.28	1.19	0.11	1.67	0.35	1.12
Average	0.67	3.33	0.02	0.25	0.93	1.33	0.30	3.18	0.40	2.46
Suburban Mahad AD’Dahab
Max	0.55	0.00	0.00	0.22	0.86	1.47	0.38	1.37	0.57	1.68
Min	0.52	0.00	0.00	0.15	0.49	1.29	0.19	1.36	0.52	1.06
Average	0.54	0.00	0.00	0.18	0.68	1.38	0.28	1.37	0.55	1.37
Dust
Urban Riyadh
Max	0.68	24.3	0.82	0.69	3.84	1.04	1.23	10.48	0.31	110.8
Min	0.40	0.00	0.06	0.50	0.67	0.81	0.82	1.33	0.11	4.96
Average	0.51	1.97	0.44	0.59	1.38	0.92	1.05	4.06	0.23	29.20
Suburban Riyadh
Max	0.59	0.00	0.46	0.64	0.89	0.95	1.19	4.22	0.28	59.00
Min	0.40	0.00	0.00	0.38	0.41	0.77	0.70	1.44	0.14	8.31
Average	0.51	0.00	0.30	0.53	0.65	0.88	0.97	2.38	0.22	32.20
Urban Mahad AD’Dahab
Max	0.54	23.9	0.64	0.49	9.01	1.24	1.00	13.50	0.43	61.00
Min	0.41	1.38	0.42	0.37	2.21	0.98	0.67	2.96	0.30	15.30
Average	0.48	9.45	0.58	0.41	4.98	1.10	0.81	6.67	0.37	33.60
Suburban Mahad AD’Dahab
Max	0.47	2.73	0.49	0.35	2.33	1.22	0.74	2.84	0.37	38.10
Min	0.40	1.47	0.25	0.24	0.84	1.01	0.52	0.91	0.32	12.00
Average	0.43	2.22	0.39	0.31	1.11	1.09	0.67	1.53	0.34	27.00

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