Table 27.

Selenium thresholds [69].

Compartment	Agency	Description	Limits
Intake	WHO	Adult daily intake	0.9 μg/kg body weight
Workplace Air	OSHA	Legal limit over an 8-hour workday of selenium in air	0.2 mg/m3
Drinking-Water	EPA	Drinking-water threshold	0.05 mg/L
	WHO	Drinking-water Quality Guidelines	0.01 mg/L
Bottled Water	FDA	Bottled-water threshold	0.05 mg/L