What did the EPA conclude about ethylene dibromide in its draft risk evaluation?

The EPA preliminarily concluded that ethylene dibromide, used as a lead scavenger in leaded aviation fuel (avgas), poses an unreasonable health risk to people who work with it.

What is the primary use of ethylene dibromide in the United States, according to the EPA's draft evaluation?

The most common use of ethylene dibromide in the US is as an additive to leaded aviation fuel (avgas), where it reacts with lead oxides and sulfides formed during combustion to prevent engine deposits and 'knock.'

EPA Says Lead Scavenger in Airplane Fuel Poses Health Risk

Aug 20, 2026

The US EPA preliminarily concluded that ethylene dibromide, a lead scavenger additive in aviation fuel, poses an unreasonable health risk to workers in its draft risk evaluation.

cen

2026-08-20

EPA Says Lead Scavenger in Airplane Fuel Poses Health Risk

EPA Says Lead Scavenger in Airplane Fuel Poses Health Risk

FAQ