ATOFMS in Mexico City

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ATOFMS in Mexico City

• Ryan Moffet and Kimberly Prather
• UCSD

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Instrument Overview
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Uses of the ATOFMS

• Identify particles that are deleterious to human
  health
• Source apportionment
• Linking size and chemical composition with
  optical properties

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Progress/Setup

• Needed a crane to lift the instrument up to T0
• Running within 24 hrs of installation

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Lead Particles
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T0 Back Trajectory During Pb Peak
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Urban Particles
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Urban Sources.