contamination

In the Palisades burn area, tests found little contamination beyond some isolated “hot spots” of heavy metals and polyaromatic hydrocarbons, Roux’s vice president and principal scientist Adam Love said last week.

As the days of disruption went on with no sign of ash contamination clearing, everyone was under pressure to find a way to re-open airspace in a safe and controlled way.

In a March 28 update on environmental monitoring efforts, the group said it was “cautiously optimistic that chemical contamination from the fires no longer poses a major risk for beachgoers.”

Truck driver "Juan" says the rise of "container contamination" makes him more vulnerable.

It doesn’t refer specifically to all of the issues posed by satellites, including contamination by light, which comes from light-emitting sources on Earth or else from the sun.