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| Instrument / Method | Measurement | Type |
|---|---|---|
| LGR | CO, CO2, H2O | Gas Phase |
| Licor 840 | CO2, H2O | Gas Phase |
| GR NO2 with O3 titration | NOx | Gas Phase |
| thermo scientific | O3 | Gas Phase |
| TSI 3775, hot TSI3775 | Particle Number Density | Aerosol Microphysics |
| TSI 3789 | Ultrafine Particle Density | Aerosol Microphysics |
| TSI SMPS w/3772 CPC, TSI EEPS, DMT UHSAS, TSI APS, TSI Optical Particle Spectrometer | Aerosol Size Distribution | Aerosol Microphysics |
| Air Photon Nephelometer | 3-λ Scattering | Aerosol Optics |
| TSI3563 Nephelometer | 3-λ Scattering, f(RH) | Aerosol Optics |
| 3-wavelength CAPS | 3-λ Extinction | Aerosol Optics |
| Magee Scientific | 7-λ Absorption | Aerosol Optics |
| SPEX | Hyperspectral Extinctiometer | Aerosol Optics |
| TAP | 3-λ Absorption Photometer | Aerosol Optics |
| ARI dPAS-3, ARI dPASS, DMT PASS-3 | 3-λ Photo-Acoustic Spectrometers | Aerosol Optics |
| PTFE filters + IC | Aerosol Ionic Composition | Aerosol Composition and Mass |
| PTFE filters + TOC | Aerosol WSOC | Aerosol Composition and Mass |
| quartz filters; sunset labs, ICP | EC/OC, Metals | Aerosol Composition and Mass |
| DMT SP2, MAAP | Black Carbon Mass and Size | Aerosol Composition and Mass |
| MetOne E-BAM | PM2.5 | Aerosol Composition and Mass |
| Teledyne T640 | PM2.5, PM10 | Aerosol Composition and Mass |
| Vaisala CL51 Ceiliometer | cloud/aerosol profiles | Atmospheric Structure and Meteorology |
| Pandora Sun Photometer | Atmospheric Optical Depth, 280 – 660 nm | Atmospheric Structure and Meteorology |
| AirMar 200WX | Winds and Navigation Parameters | Atmospheric Structure and Meteorology |
| Weather Hawk | In Situ T, RH, P, winds | Atmospheric Structure and Meteorology |
| Species | Active sampling technique | Collection time per sample | |
|---|---|---|---|
| Brown University off-line Isotopic Analysis via IRMS | NOx (δ15N) | Basic KMnO4 Impinger | 1-2 hours |
| HONO (δ15N, δ18O, Δ17O) | Annular denuder (carbonate) | 2-12 hours | |
| NO2 (δ15N, δ18O, Δ17O) | Annular denuder (carbonate) | 2-12 hours | |
| HNO3 (δ15N, δ18O, Δ17O) | Nylasorb filter | 2-12 hours | |
| p-NO3- (δ15N, δ18O, Δ17O) | Teflon filter | 2-12 hours | |
| NHx (δ15N) | Quartz filter | 3-24 hours | |
| UNH Measurement for concentration | HNO3 (online) | Mist chamber–ion chromatography | 5 minutes |
| HONO (online) | Mist chamber–ion chromatography | 5 minutes | |
| Cl-, NO3-, SO42-, C2O42-, Na+, NH4+, K+, Mg2+, Ca2+ (offline) | Fluoropore filter, Analysis by IC | 0.5-15 hours |
