Halocarbons and other Atmospheric Trace Gases
In situ Program Concentrations & Figures

Some of this data is preliminary! Please contact Geoff Dutton for finalized data.

Figures and Data Files

BRW

Barrow, Alaska
N2O SF6  
CFC-11 CFC-12 CFC-113
CCl4 CH3CCl3 CH3Cl
halon-1211 HCFC-22 HCFC-142b

SUM

Summit, Greenland
N2O SF6  
CFC-11 CFC-12 CFC-113
CCl4 CH3CCl3  
halon-1211    

NWR

Niwot Ridge, Colorado
N2O SF6  
CFC-11 CFC-12 CFC-113
CCl4 CH3CCl3 CH3Cl
halon-1211 HCFC-22 HCFC-142b

MLO

Mauna Loa, Hawaii
N2O SF6  
CFC-11 CFC-12 CFC-113
CCl4 CH3CCl3 CH3Cl
halon-1211 HCFC-22 HCFC-142b

SMO

American Samoa
N2O SF6  
CFC-11 CFC-12 CFC-113
CCl4 CH3CCl3 CH3Cl
halon-1211 HCFC-22 HCFC-142b

SPO

South Pole, Antarctica
N2O SF6  
CFC-11 CFC-12 CFC-113
CCl4 CH3CCl3 CH3Cl
halon-1211 HCFC-22 HCFC-142b

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