Table 10.

Hazard quotients for normal and worst-case exposure scenarios to ozone (O₃) at different levels of exposures

Exposed group	Exposure
	Acute	Intermediate*
		Normal	Worst
Infant (birth to 1 year)	3.5×10−3	5.0×10−3	4.0×10−2
Child (6–12 years)	3.5×10−3	3.0×10−2	4.0×10−2
Adult (19–75 years)	2.2×10−2	9.0×10−3	2.0×10−2

*Intermediate—8-hour exposure period.