Table 1.

Individual Exposure of the Study Participants to PM₁₀, PM₁, Metal Components (Measured in PM₁₀), Elemental Carbon, and Organic Carbon

Exposure	Mean	SD	Interquartile range	Min	Max
PM10 (µg/m3)	169.29	48.37	43.80	73.72	222.86
PM1 (µg/m3)	6.67	3.69	5.80	1.71	11.83
Aluminum (µg/m3)	2.31	1.85	1.01	1.00	7.38
Arsenic (µg/m3)	0.10	0.11	0.12	0.01	0.30
Barium (µg/m3)	0.23	0.12	0.22	0.07	0.42
Cobalt (µg/m3)	0.01	0.01	0.01	0.00	0.02
Chromium (µg/m3)	0.07	0.03	0.03	0.00	0.11
Copper (µg/m3)	2.05	1.81	2.24	0.11	5.36
Iron (µg/m3)	31.55	18.20	27.55	1.70	59.81
Manganese (µg/m3)	6.16	6.06	6.89	0.16	17.05
Molybdenum (µg/m3)	0.08	0.08	0.09	0.00	0.23
Nickel (µg/m3)	0.28	0.16	0.16	0.02	0.52
Lead (µg/m3)	3.74	3.64	4.27	0.13	10.30
Antimony (µg/m3)	0.03	0.02	0.03	0.00	0.07
Tin (µg/m3)	0.31	0.30	0.37	0.03	0.86
Zinc (µg/m3)	12.14	12.03	13.36	0.29	33.59
Elemental carbon (µg/m3)	110.23	53.00	67.95	31.91	194.34
Organic carbon (µg/l)	6.26	10.29	8.97	0.03	31.55

Note. Exposure levels were estimated for the 3 days between baseline and postexposure samples.