Aerosol Sampling

These boxes house aerosol samplers that use a vacuum to pull a quantified amount of air through a filter, later analyzed for metals. The samplers only turn on when wind blows from a forward direction to avoid taking in any engine fumes from the ship. We are close enough to the west coast of Africa to see dust from the Sahara Desert. Near the United States, industrial sourced aerosols had a grey color but now the filters are starting to turn brown.

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