https://www.gml.noaa.gov/data/dataset.php?item=mlo-hcfc142b-cats-monthly
Dataset MLO hcfc142b - NOAA Global Monitoring Laboratory
HCFC-142b monthly averaged measurements at Mauna Loa, Hawaii, United States
global monitoringdatasetmlonoaalaboratory
https://www.gml.noaa.gov/data/dataset.php?item=hcfc142b-hats-flask
Dataset Multiple hcfc142b - NOAA Global Monitoring Laboratory
HCFC-142b measurements
global monitoringdatasetmultiplenoaalaboratory