Table 2

Summaries of urinary metals concentrations at preshift and postshift

Metals	Preshift						Postshift
Metals	Mean	P5	P25	P50	P75	P95	Mean	P5	P25	P50	P75	P95
Chromium (μg/L)	0.30	0.10	0.12	0.22	0.41	0.67	0.45	0.10	0.16	0.27	0.46	1.19
Iron (mg/L)	0.23	0.03	0.09	0.18	0.36	0.55	0.22	0.03	0.10	0.20	0.30	0.51
Copper (μg/L)	10.51	2.63	5.55	9.06	14.20	22.00	11.36	2.73	6.17	9.53	14.10	25.40
Manganese (μg/L)	2.23	0.40	1.18	1.99	2.87	4.72	2.52	0.50	1.51	2.11	3.49	5.16
Nickel (μg/L)	1.63	0.50	0.66	1.23	2.26	3.86	1.79	0.50	0.95	1.52	2.39	4.03
Lead (μg/L)	0.51	0.08	0.23	0.36	0.77	1.27	0.70	0.10	0.31	0.49	0.89	2.02
Vanadium (μg/L)	0.26	0.10	0.10	0.18	0.40	0.69	0.24	0.10	0.10	0.22	0.36	0.53
Zinc (mg/L)	0.48	0.07	0.19	0.39	0.65	1.10	0.46	0.09	0.23	0.39	0.61	1.05
Cadmium (μg/L)	0.34	0.07	0.09	0.20	0.42	0.97	0.32	0.07	0.12	0.19	0.32	0.79
Arsenic (μg/L)	32.22	2.50	4.53	9.58	19.40	128.56	24.06	3.19	6.68	12.50	27.70	89.10
Magnesium (mg/L)	87.29	19.00	38.40	77.55	114.00	213.00	89.63	15.70	52.90	82.30	114.00	170.00
Mercury (μg/L)	0.71	0.10	0.21	0.52	1.01	2.21	0.69	0.07	0.21	0.41	0.74	2.46
Cobalt (μg/L)	0.49	0.35	0.40	0.40	0.52	0.78	0.52	0.32	0.40	0.44	0.57	0.95
Molybdenum (μg/L)	50.28	6.50	23.80	38.70	60.90	147.00	66.15	12.60	37.60	52.70	80.50	149.00
Selenium (μg/L)	63.74	12.20	35.90	56.30	83.50	159.00	75.49	21.40	44.70	66.71	96.90	152.00
Aluminium (μg/L)	6.25	3.30	3.30	3.30	6.31	19.80	6.12	3.30	3.30	3.48	6.66	18.40