Environmental Protection Agency (EPA) Model Lead Based Paint Risk Assessor Practice Test

In what year did the US EPA regulate a phase-out of lead in gasoline?

1. 1970

2. 1973

3. 1978

4. 1986

The correct answer is: 1978

The phase-out of lead in gasoline by the US Environmental Protection Agency began in earnest with significant regulatory measures introduced in the 1970s. The process started in 1973 when the EPA established regulations limiting the amount of lead in gasoline, culminating in a complete ban on leaded gasoline for on-road vehicles that was officially implemented in 1996. However, it is crucial to highlight that the most pivotal year related to the significant reduction of leaded gasoline usage was 1978, when stricter regulations were enforced, significantly curtailing leaded gasoline availability. This was a critical step in public health efforts to reduce lead exposure and its associated health risks, particularly for children. Thus, while the phase-out process was initiated earlier in the 1970s, including the 1970s' regulations, the year 1978 is identified as a landmark year when leaded gasoline was being actively phased out in the market, making it the most relevant choice.