Fume toxicity screening level definition
Fume toxicity screening level means that concentration of a pollutant in water which, under equilibrium conditions, a confined environment, and a standard temperature, would cause the concentration of the pollutant in the air over that water to exceed the exposure limit.
Fume toxicity screening level means the concentration of a pollutant in water which, under equilibrium or other conditions, a confined environment, or interaction with pollutants contained in permitted discharges, would cause the concentration of a pollutant in the air over the water to exceed an exposure limit.