The unit ug/m3 measures lead concentration in which medium?

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Study for the US EPA Model Lead Inspector Test. Prepare with flashcards and multiple choice questions, each with hints and explanations. Gear up for your certification exam!

Multiple Choice

The unit ug/m3 measures lead concentration in which medium?

Explanation:
ug/m3 is a mass-per-volume unit used for air samples. It tells you how many micrograms of lead are present in one cubic meter of air, which is how lead concentration in the atmosphere is reported. Blood lead is measured differently (µg/dL), since it’s a concentration in blood. Water and soil use other units (µg/L or mg/L for water; mg/kg for soil). So this unit specifically measures lead in air.

ug/m3 is a mass-per-volume unit used for air samples. It tells you how many micrograms of lead are present in one cubic meter of air, which is how lead concentration in the atmosphere is reported. Blood lead is measured differently (µg/dL), since it’s a concentration in blood. Water and soil use other units (µg/L or mg/L for water; mg/kg for soil). So this unit specifically measures lead in air.

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