NOAA Chemical Sciences Laboratory, Boulder, CO, United States
University of Kansas, Lawrence, KS, United States
Chemical Sciences Laboratory, CIRES and NOAA ESRL, Boulder, CO, United States
Cooperative Institute for Research in Environmental Sciences (CIRES) University of Colorado and NOAA ESRL Chemical Sciences Laboratory, Boulder, CO, United States
Chemical Sciences Division, NOAA Earth System Research Laboratory, Boulder, CO, United States
Cooperative Institute for Research in Environmental Sciences, Boulder, United States; Chemical Sciences Division, NOAA Earth Systems Research Laboratory, Boulder, United States
NOAA ESRL Chemical Sciences Division, Boulder, CO, United States
Chemical Sciences Laboratory, CIRES and NOAA ESRL, Boulder, CO, United States