Table S2.

Protein and antioxidant changes in lavage fluids following resting exposure to ¹⁸O₃.

	Protein, ug/mL	Ascorbate, uM	Urate, uM	GSH, uM	Alpha tocopherol, nM
Nasal lavage fluid
Air
Mean	686	6.00	59.2	3.50	NM
SE	163	2.54	7.6	1.56
O3
Mean	727	3.82	46.9	3.75	NM
SE	244	1.38	8.3	0.84
O3/air	1.06	0.64	0.79	1.07
Bronchial lavage fluid
Air
Mean	36.6	0.35	0.35	0.48	NM
SE	3.4	0.05	0.04	0.04
O3
Mean	41.7	0.46	0.77	0.66	NM
SE	4.6	0.12	0.33	0.12
O3/air	1.14	1.31	2.17	1.37
Bronchoalveolar lavage fluid
Air
Mean	117	0.46	1.16	0.70	5.1
SE	13	0.06	0.17	0.10	2.5
O3
Mean	116	0.54	1.23	0.74	2.8
SE	16	0.06	0.14	0.09	1.2
O3/air ratio	0.99	1.16	1.07	1.06	0.55

Abbreviation: NM, not measured.