| Instrument | Species Measured | PI |
|---|---|---|
| Aerosol Mass Spectrometer | Speciated PM 1 | Ann Middlebrook (NOAA) |
| Iodide Time of Flight Chemical Ionization Mass Spectrometer | HONO, HNO3, N2O5, ClNO2, other species | Joel Thornton (University of Washington) |
| Nitrogen Oxide CRDS | NO, NO2, NOy, O3 | Steve Brown (NOAA) |
| Ammonia QCL Spectrometer | NH3 | Jenifer Murphy (University of Toronto) |