WINTER 2015 Instruments

Species Measured Technique

Speciated halogens and reactive nitrogen species

HR-ToF- CIMS (iodide)

NO, NO2, NO3, NOy, N2O5, O3

Cavity ring-down spectroscopy

NO, NO2, total alkyl and peroxy nitrates, HNO3

TD-LIF

Inorganic Acids

HR-ToF- CIMS (acetate)

CO2/CH4/CO

Cavity ring-down spectroscopy

NO/NO2

Cavity ring-down and chemiluminescence

Rapid response VOC

NCAR Trace Organic Gas Analyzer

Whole Air Sampler (VOC)

NCAR WAS

Aerosol and cloud size distribution

UHSAS and FSSP

Aerosol composition (non- refractory organic, sulfate, nitrate)

NCAR ToF-AMS led by CU Boulder

Aerosol composition (water- soluble, e.g. Cl-, NO3-, NH4+, Na+)

Georgia Tech. PiLS

NH3

ICOS

Actinic Flux

Spectroradiometer