After the development of his electron capture detector, James Lovelock was the first to detect the widespread presence of CFCs in the air, finding a mole fraction of 60 ppt of CFC-11 over Ireland.
Setelah pengembangan detektor penangkap elektronnya, James Lovelock adalah orang pertama yang mendeteksi keberadaan CFC di udara, menemukan fraksi mol 60 ppt CFC-11 di atas Irlandia.